http://www.apneaboard.com/wiki/index.php?title=Exploding_head_syndrome&feed=atom&action=historyExploding head syndrome - Revision history2024-03-28T14:10:02ZRevision history for this page on the wikiMediaWiki 1.28.0http://www.apneaboard.com/wiki/index.php?title=Exploding_head_syndrome&diff=1983&oldid=prevSuperSleeper at 03:46, 13 February 20122012-02-13T03:46:19Z<p></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 03:46, 13 February 2012</td>
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<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">{{expert-subject|Medicine|date=February 2010}}</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''Exploding head syndrome''' is a parasomnia condition that causes the sufferer occasionally to experience a tremendously loud noise as originating from within his or her own head, usually described as the sound of an explosion, roar, gunshot, loud voices or screams, a ringing noise, or the sound of electrical arcing (buzzing).</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">{{Refimprove|date=August 2009}}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''Exploding head syndrome''' is a <del class="diffchange diffchange-inline">[[</del>parasomnia<del class="diffchange diffchange-inline">]] [[disease|</del>condition<del class="diffchange diffchange-inline">]] </del>that causes the sufferer occasionally to experience a tremendously loud noise as originating from within his or her own <del class="diffchange diffchange-inline">[[Human </del>head<del class="diffchange diffchange-inline">|head]]</del>, usually described as the sound of an <del class="diffchange diffchange-inline">[[</del>explosion<del class="diffchange diffchange-inline">]]</del>, roar, gunshot, loud voices or screams, a ringing noise, or the sound of electrical arcing (buzzing).</div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>This noise usually occurs within an hour or two of falling <del class="diffchange diffchange-inline">[[</del>asleep<del class="diffchange diffchange-inline">]]</del>, but is not necessarily the result of a <del class="diffchange diffchange-inline">[[</del>dream<del class="diffchange diffchange-inline">]] </del>and can happen while awake as well.<del class="diffchange diffchange-inline"><ref name= "Pearce89Clinical">{{citation |title=Clinical features of the exploding head syndrome |journal=Journal of Neurology Neurosurgery and Psychiatry |author=Pearce JM |year=1989 |volume=52 |issue=7 |pages=907–910 |pmid=2769286}}</ref> </del>While the sound is perceived as extremely loud, it is usually not accompanied by pain. Attacks appear to change in number over time, with several attacks occurring in a space of days or weeks followed by months of remission. Sufferers often feel a sense of <del class="diffchange diffchange-inline">[[</del>fear<del class="diffchange diffchange-inline">]] </del>and <del class="diffchange diffchange-inline">[[</del>anxiety<del class="diffchange diffchange-inline">]] </del>after an attack, accompanied by elevated <del class="diffchange diffchange-inline">[[</del>heart<del class="diffchange diffchange-inline">]] </del>rate. Attacks are also often accompanied by perceived <del class="diffchange diffchange-inline">[[Closed-eye hallucination#Levels of CEV perception|</del>flashes of light<del class="diffchange diffchange-inline">]] </del>(when perceived on their own, known as a "visual sleep start") or difficulty in breathing. The condition is also known as "auditory sleep starts". It is not thought to be dangerous,<del class="diffchange diffchange-inline"><ref name="Pearce89Clinical"/> </del>although it is usually distressing to experience. Sufferers may experience an inability to vocalize any sound, or mild forms of [[sleep paralysis]] during an attack.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>This noise usually occurs within an hour or two of falling asleep, but is not necessarily the result of a dream and can happen while awake as well.While the sound is perceived as extremely loud, it is usually not accompanied by pain. Attacks appear to change in number over time, with several attacks occurring in a space of days or weeks followed by months of remission. Sufferers often feel a sense of fear and anxiety after an attack, accompanied by elevated heart rate. Attacks are also often accompanied by perceived flashes of light (when perceived on their own, known as a "visual sleep start") or difficulty in breathing. The condition is also known as "auditory sleep starts". It is not thought to be dangerous, although it is usually distressing to experience. Sufferers may experience an inability to vocalize any sound, or mild forms of [[sleep paralysis]] during an attack.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==Causes==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==Causes==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The cause of the exploding head syndrome (EHS) is not known, though some physicians have reported a correlation with <del class="diffchange diffchange-inline">[[</del>stress <del class="diffchange diffchange-inline">(medicine)|stress]] </del>or extreme <del class="diffchange diffchange-inline">[[fatigue (physical)|</del>fatigue<del class="diffchange diffchange-inline">]]</del>. The condition may develop at any time during life and women suffer from it slightly more often than men. It is more common over the age of fifty, although it has been reported as young as age 10. Attacks can be one-time events, or can recur with attacks increasing or decreasing over time, sometimes with no incidents over long periods of time.<del class="diffchange diffchange-inline"><ref name=asa>{{cite web | title=Exploding Head Syndrome | month=September | year=2007 | publisher=American Sleep Association |url=http://www.sleepassociation.org/index.php?p=explodingheadsyndrome |accessdate=2011-03-18 }}</ref></del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The cause of the exploding head syndrome (EHS) is not known, though some physicians have reported a correlation with stress or extreme fatigue. The condition may develop at any time during life and women suffer from it slightly more often than men. It is more common over the age of fifty, although it has been reported as young as age 10. Attacks can be one-time events, or can recur with attacks increasing or decreasing over time, sometimes with no incidents over long periods of time.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The mechanism is also not known, though possibilities have been suggested; one is that it may be the result of a sudden movement of a <del class="diffchange diffchange-inline">[[</del>middle ear<del class="diffchange diffchange-inline">]] </del>component or of the <del class="diffchange diffchange-inline">[[</del>eustachian tube<del class="diffchange diffchange-inline">]]</del>, another is that it may be the result of a form of minor <del class="diffchange diffchange-inline">[[</del>seizure<del class="diffchange diffchange-inline">]] </del>in the <del class="diffchange diffchange-inline">[[</del>temporal lobe<del class="diffchange diffchange-inline">]] </del>where the <del class="diffchange diffchange-inline">[[</del>nerve<del class="diffchange diffchange-inline">]] </del>cells for hearing are located.<del class="diffchange diffchange-inline"><ref name=asa/> </del>[[Electroencephalogram]]s recorded during actual attacks show unusual activity only in some sufferers, and have ruled out <del class="diffchange diffchange-inline">[[epilepsy|</del>epileptic seizures<del class="diffchange diffchange-inline">]] </del>as a cause.<del class="diffchange diffchange-inline"><ref name= "PMID 1896728">{{citation |journal=Sleep |year=1991 |month=June |volume=14 |issue=3 |pages=263–266 |title=The exploding head syndrome: polysomnographic recordings and therapeutic suggestions |author=Sachs C, Svanborg E |pmid=1896728}}</ref> </del>But an attack must happen during an episode. If results are normal during the test, only then can <del class="diffchange diffchange-inline">[[</del>epilepsy<del class="diffchange diffchange-inline">]] </del>be completely ruled out.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The mechanism is also not known, though possibilities have been suggested; one is that it may be the result of a sudden movement of a middle ear component or of the eustachian tube, another is that it may be the result of a form of minor seizure in the temporal lobe where the nerve cells for hearing are located. [[Electroencephalogram]]s recorded during actual attacks show unusual activity only in some sufferers, and have ruled out epileptic seizures as a cause. But an attack must happen during an episode. If results are normal during the test, only then can epilepsy be completely ruled out.</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">[[SSRI]] withdrawals have also been known to cause similar phenomena (i.e. [[brain zaps]]).</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">==Related phenomena==</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">These loud noises are a common feature of [[out-of-body experience]]s.  In surveys, as many as 85% of respondents indicate perception of them during the onset of such experiences.<ref>{{cite web |url=http://www.astralinfo.org/obesurvey.htm |accessdate=2011-03-18 |title=Results of OBE Survey |last=Buhlman |first=William |work=The Out of Body Experience }}</ref><ref>{{cite journal |title=The out-of-body experience: a phenomenological typology based on questionnaire responses | author=Twemlow SW, Gabbard GO, Jones FC |journal=American Journal of Psychiatry |year=1982 | first=April |volume=139 |issue=4 |pages=450–455 |pmid=7039367 }}</ref></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==Symptoms==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==Symptoms==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The exploding head syndrome was first described in 1920 by the Welsh physician and psychiatrist <del class="diffchange diffchange-inline">[[</del>Robert Armstrong-Jones<del class="diffchange diffchange-inline">]]</del>. He characterized this condition as an exploding sensation in the head. Patients were awakened from their sleep by this event and the sensation persisted for several seconds.<del class="diffchange diffchange-inline"><ref name=lancet196_5066_720>{{cite journal |author=Armstrong-Jones R |title=Snapping of the brain |journal=The Lancet |volume=196 |issue=5066 |page=720 | date=October 2, 1920 |doi=10.1016/S0140-6736(01)19948-4 }}</ref> </del>A detailed description of the syndrome was given by British neurologist John M. S. Pearce in 1989, who noted that it was most common in patients that were more than 50 years old.<del class="diffchange diffchange-inline"><ref name=torpy_plazzi2010>{{cite book |author=Thorpy MJ, Plazzi G |page=231 |title=The Parasomnias and Other Sleep-Related Movement Disorders |publisher=Cambridge University Press |year=2010 |url=http://books.google.com/books?id=bCh5vsI4AjcC&pg=PA231 |accessdate=2011-03-18 |isbn=0521111579 }}</ref></del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The exploding head syndrome was first described in 1920 by the Welsh physician and psychiatrist Robert Armstrong-Jones. He characterized this condition as an exploding sensation in the head. Patients were awakened from their sleep by this event and the sensation persisted for several seconds. <ins class="diffchange diffchange-inline"> </ins>A detailed description of the syndrome was given by British neurologist John M. S. Pearce in 1989, who noted that it was most common in patients that were more than 50 years old.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Exploding head syndrome is a condition that causes the sufferer to occasionally experience a tremendously loud noise as originating from within his or her own head, usually described as the sound of an explosion, gunshot, door slamming, roar, waves crashing against rocks, loud voices, a ringing noise, the terrific bang on a tin tray, or the sound of an electrical arcing (buzzing). In some cases an instant flash of what is perceived as video "static" is reported.</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Exploding head syndrome is a condition that causes the sufferer to occasionally experience a tremendously loud noise as originating from within his or her own head, usually described as the sound of an explosion, gunshot, door slamming, roar, waves crashing against rocks, loud voices, a ringing noise, the terrific bang on a tin tray, or the sound of an electrical arcing (buzzing). In some cases an instant flash of what is perceived as video "static" is reported.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==Treatment==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==Treatment==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Symptoms may be resolved spontaneously over time. It may be helpful to reassure the patient that this symptom is harmless. <del class="diffchange diffchange-inline">[[</del>Clomipramine<del class="diffchange diffchange-inline">]] </del>has been used in three patients, who experienced immediate relief from this condition.<del class="diffchange diffchange-inline"><ref name="PMID 1896728"/></del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Symptoms may be resolved spontaneously over time. It may be helpful to reassure the patient that this symptom is harmless. Clomipramine has been used in three patients, who experienced immediate relief from this condition.</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==See also==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>==See also==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [[Tinnitus]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [[Hypnic jerk]]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [[Hypnic jerk]]</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">==References==</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{reflist}}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">==External links==</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [http://www.sleepeducation.com/Disorder.aspx?id=33 American Academy of Sleep Medicine article on the syndrome.]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [http://www.sleepassociation.org/index.php?p=explodingheadsyndrome American Sleep Association article on the syndrome.]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [http://bodyodd.msnbc.msn.com/archive/2010/02/17/2204845.aspx Loud crash at 3 a.m.? It may be your exploding head], MSNBC, February 17, 2010 by Diane Mapes, contributing writer.</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{SleepSeries2}}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">{{DEFAULTSORT:Exploding Head Syndrome}}</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Sleep disorders]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Sleep physiology]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Lucid dreams]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Neurological disorders]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Ailments of unknown etiology]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">[[Category:Syndromes]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[<del class="diffchange diffchange-inline">es</del>:<del class="diffchange diffchange-inline">Síndrome de la cabeza explosiva</del>]]</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[<ins class="diffchange diffchange-inline">Category</ins>:<ins class="diffchange diffchange-inline">Medical terms</ins>]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[<del class="diffchange diffchange-inline">fr</del>:<del class="diffchange diffchange-inline">Syndrome de la tête qui explose]]</del></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[<ins class="diffchange diffchange-inline">Category</ins>:<ins class="diffchange diffchange-inline">Conditions</ins>]]</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">[[fi:Räjähtävän pään oireyhtymä]]</del></div></td><td colspan="2"> </td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del class="diffchange diffchange-inline">[[sv:Exploding head syndrome</del>]]</div></td><td colspan="2"> </td></tr>
</table>SuperSleeperhttp://www.apneaboard.com/wiki/index.php?title=Exploding_head_syndrome&diff=1970&oldid=prevSuperSleeper: 1 revision: exported from Wikipedia2012-02-13T03:11:25Z<p>1 revision: exported from Wikipedia</p>
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</td></tr></table>SuperSleeperhttp://www.apneaboard.com/wiki/index.php?title=Exploding_head_syndrome&diff=1969&oldid=prev71.197.147.168 at 14:58, 12 February 20122012-02-12T14:58:05Z<p></p>
<p><b>New page</b></p><div>{{expert-subject|Medicine|date=February 2010}}<br />
{{Refimprove|date=August 2009}}<br />
'''Exploding head syndrome''' is a [[parasomnia]] [[disease|condition]] that causes the sufferer occasionally to experience a tremendously loud noise as originating from within his or her own [[Human head|head]], usually described as the sound of an [[explosion]], roar, gunshot, loud voices or screams, a ringing noise, or the sound of electrical arcing (buzzing).<br />
<br />
This noise usually occurs within an hour or two of falling [[asleep]], but is not necessarily the result of a [[dream]] and can happen while awake as well.<ref name= "Pearce89Clinical">{{citation |title=Clinical features of the exploding head syndrome |journal=Journal of Neurology Neurosurgery and Psychiatry |author=Pearce JM |year=1989 |volume=52 |issue=7 |pages=907–910 |pmid=2769286}}</ref> While the sound is perceived as extremely loud, it is usually not accompanied by pain. Attacks appear to change in number over time, with several attacks occurring in a space of days or weeks followed by months of remission. Sufferers often feel a sense of [[fear]] and [[anxiety]] after an attack, accompanied by elevated [[heart]] rate. Attacks are also often accompanied by perceived [[Closed-eye hallucination#Levels of CEV perception|flashes of light]] (when perceived on their own, known as a "visual sleep start") or difficulty in breathing. The condition is also known as "auditory sleep starts". It is not thought to be dangerous,<ref name="Pearce89Clinical"/> although it is usually distressing to experience. Sufferers may experience an inability to vocalize any sound, or mild forms of [[sleep paralysis]] during an attack.<br />
<br />
==Causes==<br />
The cause of the exploding head syndrome (EHS) is not known, though some physicians have reported a correlation with [[stress (medicine)|stress]] or extreme [[fatigue (physical)|fatigue]]. The condition may develop at any time during life and women suffer from it slightly more often than men. It is more common over the age of fifty, although it has been reported as young as age 10. Attacks can be one-time events, or can recur with attacks increasing or decreasing over time, sometimes with no incidents over long periods of time.<ref name=asa>{{cite web | title=Exploding Head Syndrome | month=September | year=2007 | publisher=American Sleep Association |url=http://www.sleepassociation.org/index.php?p=explodingheadsyndrome |accessdate=2011-03-18 }}</ref><br />
<br />
The mechanism is also not known, though possibilities have been suggested; one is that it may be the result of a sudden movement of a [[middle ear]] component or of the [[eustachian tube]], another is that it may be the result of a form of minor [[seizure]] in the [[temporal lobe]] where the [[nerve]] cells for hearing are located.<ref name=asa/> [[Electroencephalogram]]s recorded during actual attacks show unusual activity only in some sufferers, and have ruled out [[epilepsy|epileptic seizures]] as a cause.<ref name= "PMID 1896728">{{citation |journal=Sleep |year=1991 |month=June |volume=14 |issue=3 |pages=263–266 |title=The exploding head syndrome: polysomnographic recordings and therapeutic suggestions |author=Sachs C, Svanborg E |pmid=1896728}}</ref> But an attack must happen during an episode. If results are normal during the test, only then can [[epilepsy]] be completely ruled out.<br />
<br />
[[SSRI]] withdrawals have also been known to cause similar phenomena (i.e. [[brain zaps]]).<br />
<br />
==Related phenomena==<br />
These loud noises are a common feature of [[out-of-body experience]]s. In surveys, as many as 85% of respondents indicate perception of them during the onset of such experiences.<ref>{{cite web |url=http://www.astralinfo.org/obesurvey.htm |accessdate=2011-03-18 |title=Results of OBE Survey |last=Buhlman |first=William |work=The Out of Body Experience }}</ref><ref>{{cite journal |title=The out-of-body experience: a phenomenological typology based on questionnaire responses | author=Twemlow SW, Gabbard GO, Jones FC |journal=American Journal of Psychiatry |year=1982 | first=April |volume=139 |issue=4 |pages=450–455 |pmid=7039367 }}</ref><br />
<br />
==Symptoms==<br />
The exploding head syndrome was first described in 1920 by the Welsh physician and psychiatrist [[Robert Armstrong-Jones]]. He characterized this condition as an exploding sensation in the head. Patients were awakened from their sleep by this event and the sensation persisted for several seconds.<ref name=lancet196_5066_720>{{cite journal |author=Armstrong-Jones R |title=Snapping of the brain |journal=The Lancet |volume=196 |issue=5066 |page=720 | date=October 2, 1920 |doi=10.1016/S0140-6736(01)19948-4 }}</ref> A detailed description of the syndrome was given by British neurologist John M. S. Pearce in 1989, who noted that it was most common in patients that were more than 50 years old.<ref name=torpy_plazzi2010>{{cite book |author=Thorpy MJ, Plazzi G |page=231 |title=The Parasomnias and Other Sleep-Related Movement Disorders |publisher=Cambridge University Press |year=2010 |url=http://books.google.com/books?id=bCh5vsI4AjcC&pg=PA231 |accessdate=2011-03-18 |isbn=0521111579 }}</ref><br />
<br />
Exploding head syndrome is a condition that causes the sufferer to occasionally experience a tremendously loud noise as originating from within his or her own head, usually described as the sound of an explosion, gunshot, door slamming, roar, waves crashing against rocks, loud voices, a ringing noise, the terrific bang on a tin tray, or the sound of an electrical arcing (buzzing). In some cases an instant flash of what is perceived as video "static" is reported.<br />
<br />
This syndrome can also cause the sufferer to feel an extreme rush or adrenaline kick going through his or her head, sometimes multiple times. In most cases, it occurs when they are in a state between asleep and awake. Some sufferers report familiarization with the subsequent fear or panic element such that they no longer consciously experience it.<br />
<br />
In some cases repeated attacks lead to the sufferer gaining a fear of sleeping or resting, as this is the most common time for attacks to take place, and this can lead to the development of sleeping disorders such as insomnia.<br />
<br />
In some cases it is isolated on the left side of the head, and seems to come from the inner ear region.<br />
<br />
==Treatment==<br />
Symptoms may be resolved spontaneously over time. It may be helpful to reassure the patient that this symptom is harmless. [[Clomipramine]] has been used in three patients, who experienced immediate relief from this condition.<ref name="PMID 1896728"/><br />
<br />
==See also==<br />
* [[Tinnitus]]<br />
* [[Hypnic jerk]]<br />
<br />
==References==<br />
{{reflist}}<br />
<br />
==External links==<br />
* [http://www.sleepeducation.com/Disorder.aspx?id=33 American Academy of Sleep Medicine article on the syndrome.]<br />
* [http://www.sleepassociation.org/index.php?p=explodingheadsyndrome American Sleep Association article on the syndrome.]<br />
* [http://bodyodd.msnbc.msn.com/archive/2010/02/17/2204845.aspx Loud crash at 3 a.m.? It may be your exploding head], MSNBC, February 17, 2010 by Diane Mapes, contributing writer.<br />
<br />
{{SleepSeries2}}<br />
<br />
{{DEFAULTSORT:Exploding Head Syndrome}}<br />
[[Category:Sleep disorders]]<br />
[[Category:Sleep physiology]]<br />
[[Category:Lucid dreams]]<br />
[[Category:Neurological disorders]]<br />
[[Category:Ailments of unknown etiology]]<br />
[[Category:Syndromes]]<br />
<br />
[[es:Síndrome de la cabeza explosiva]]<br />
[[fr:Syndrome de la tête qui explose]]<br />
[[fi:Räjähtävän pään oireyhtymä]]<br />
[[sv:Exploding head syndrome]]</div>71.197.147.168