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Tired after a long, hard day at school, Cyrus decides to take a nap. An hour later, his Dad wakes him to let him know it’s time for dinner. Cyrus feels worse than when he went to bed and can hardly drag himself to the table. An EEG of Cyrus right before he was awoken would most likely have shown a preponderance of
(A) alpha waves.
(B) beta waves.
(C) delta waves.
(D) sleep spindles.
(E) K complex waves.
Spoiler
Answer
(C) delta waves.
Spoiler
Explanation
About an hour into one’s first sleep cycle, people are typically in stage 3 or 4. In these stages, they experience deep, slow-wave sleep, which is marked by the presence of delta waves. Alpha waves indicate drowsiness, beta waves are present when one is awake and alert, and sleep spindles and K complex waves occur mostly in stage 2.
Posted : 17/05/2024 6:25 pm