01:830:101 Lecture Notes - Lecture 3: Suprachiasmatic Nucleus, Delta Wave, Ap Psychology

• School: Rutgers University
• Department: Psychology
• Course: 01:830:101
• Professor: Dr.John Ackroff

Document Summary

Last stage in the 5 step cycle of sleeping, cycle goes through itself about every 90 minutes. Go through about 4 sleep cycles: stage 1 as you fall to sleep- slow alpha waves (short amp, tight freq. ). Very brief: stage 2 sleep spindles- very rapid, close flickers on graph. K-complex- a distinctly large & lazy flicker on graph: stage 3 this is a transitional stage between 2 & 4. lazy delta waves are shown, stage 4 this last about 30 minutes & is deep sleep. Out of it : rem sleep this is the 5th phase & the most important. Eyes are rapidly moving: rem sleep brings on very realistic dreams. 1: why do we sleep, ppl of diff ages sleep different amounts of time. Mostly happens to children: dreams, what we experience in our dreams is what freud called the manifest content . The manifest content symbolized the latent content (which is hidden).