PSYC 314 Lecture Notes - Lecture 5: Fatal Familial Insomnia, Slow-Wave Sleep, Sleep Deprivation
Document Summary
Reversible behavioural state of perceptual*******awareness of your surroundings; disengagement from, unresponsiveness to surroundings. Radio host peter tripp: 201 hours (>8 days)! First few days, was just really tired. Afterwards, was paranoid, thinking medical team against him. Seemed ok after, but according to wife, his personality change. Tons of mental and physiological changes! similar to frontal lobe changes. Diabetes, suppression of growth, aches and tremors, impaired immune function, efforts with decision making, . Outline: sleep structure and rhythms, sleep schedules and napping, sleep issues and healthy habits. Cortical brain activity; electrical activity on surface of the brain. Alpha rhythms and beta rhythms are seen when awake. There are beta rhythms, but more altitude. Theta rhythms with similar rhythms to rem. Spindle and k complex (a big peak and drop) 4 stages: eeg amplitude increases, frequency decreases. So in a typical night, we cycle through the stages.