Sleep and Circadian Rhythms
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These flashcards cover the key concepts related to sleep and circadian rhythms according to the lecture notes.
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9 Terms
Circadian Rhythms
Internal patterns of bodily functions over a 24-hour period.
Suprachiasmatic nucleus (SCN)
A key brain area in the hypothalamus that influences sleep and temperature regulation.
Disruptions to circadian rhythm
Can lead to unclear thinking, inattentiveness, and increased sleepiness.
Recommended sleep practice
Waking up at a very consistent time to maintain circadian rhythm.
Evolutionary perspective on sleep
Sleep restores muscles and brain tissues, keeps us safe at night, aids immune systems, and helps consolidate memories.
EEG (Electroencephalogram)
A technique that graphically records brain-wave activity through electrodes on the scalp.
EEG waves
Variations in brain-wave activity, characterized by changes in frequency and amplitude.
Frequency in EEG
Refers to the number of waves per second in brain activity.
Amplitude in EEG
Refers to the height of the waves, indicating the strength of brain activity.
Note 
Flashcards (22)