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[[Image:Stage2sleep.png|frame|right]]
 
[[Image:Stage2sleep.png|frame|right]]
 
A '''K-complex''' is an [[Electroencephalography|EEG]] waveform that occurs during [[Sleep#Stages of sleep|stage 2 sleep]]. It consists of a brief high-voltage peak, usually greater than 100 µV, and lasts for longer than 0.5 seconds. K-complexes occur randomly throughout stage 2 sleep, but may also occur in response to auditory stimuli. It is the response to auditory stimuli that likely lead to the origin of the term '''K-complex'''. Original research in the mid-1900s showed that K-complexes would arise when researchers would knock on the chamber of a sleeping subject.
 
A '''K-complex''' is an [[Electroencephalography|EEG]] waveform that occurs during [[Sleep#Stages of sleep|stage 2 sleep]]. It consists of a brief high-voltage peak, usually greater than 100 µV, and lasts for longer than 0.5 seconds. K-complexes occur randomly throughout stage 2 sleep, but may also occur in response to auditory stimuli. It is the response to auditory stimuli that likely lead to the origin of the term '''K-complex'''. Original research in the mid-1900s showed that K-complexes would arise when researchers would knock on the chamber of a sleeping subject.
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[[Category:Sleep]]
 
[[Category:Sleep]]
 
[[Category:Electroencephalography]]
 
[[Category:Electroencephalography]]

Latest revision as of 00:31, May 11, 2009

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Stage2sleep

A K-complex is an EEG waveform that occurs during stage 2 sleep. It consists of a brief high-voltage peak, usually greater than 100 µV, and lasts for longer than 0.5 seconds. K-complexes occur randomly throughout stage 2 sleep, but may also occur in response to auditory stimuli. It is the response to auditory stimuli that likely lead to the origin of the term K-complex. Original research in the mid-1900s showed that K-complexes would arise when researchers would knock on the chamber of a sleeping subject.

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