sleep stages Flashcards
1
Q
Stage 1
A
move from alpha to theta waves
high frequency low aptitude
2
Q
Stage 2
A
no eye movement or theta activity. There are sleep spindles, 1-2 second bursts of 12-14 Hz activity, and K complexes
3
Q
stage 3
A
very slow brain waves (delta waves) that have a frequency of
1-4Hz
4
Q
stage 4
A
delta waves predominate for a deeper level of sleep
5
Q
who invented the eeg
A
hans berger
