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Understanding Electroencephalography - University of Arkansas for ...

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EEG During Sleep<br />

Stage I sleep<br />

Dropout <strong>of</strong> alpha rhythm<br />

Intermixed slowing<br />

Stage II sleep<br />

Increased intermixed theta and delta slowing<br />

Vertex waves, sleep spindles and K-complexesK<br />

Positive occipital sharp transients <strong>of</strong> sleep (POSTs(<br />

POSTs)

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