BIO 325 Chapter Notes - Chapter 8: Diencephalon, Fetus, Tangled
Document Summary
Eeg - printout that uses scalp electrodes to monitor the internal neural activity in the brain. Eeg asleep - printout has waves that begin to get higher in amplitude and farther apart. Eeg rem - waves are very similar to those when the person is awake. Children have a high % donated to this part effect ability to fall asleep - caffeine intake, melatonin production, reading, eating a big meal before dinner alert wakefulness - -awake and alert with eyes open. Beta rhythm relaxed wakefulness - -awake and relaxed with eyes closed. Mostly alpha rhythm relaxed drowsiness - -fatigued, tired, or bored. Eyelids may narrow and close; head may start to droop; momentary lapses of attention and alertness; sleepy but not asleep. Decrease in alpha wave amp and frequency stage n1 - -light sleep; easily aroused by moderated stimuli or muscle jerks.
