Lectures Flashcards
What machine is used during sleep studies? How good are they
EEG; good temporal resolution, poor spatial resolution
Describe Stage 1 of sleep
hypnagogic; sleep onset; twitches, not really dreams, more like mini hallucinations; less vivid, sort of just thoughts that you’re having
Describe Stage 2 through 3/4
High amplitude DELTA waves; successively deeper stages
What happens upon reaching Stage 3/4?
Cycle back; sleep lightens and returns to Stage 2
REM sleep (describe)
EEG patterns w/beta waves resembling those of wakefulness; dreams occur
How many cycles occur in a typical night’s sleep?
4 or 5
What are K complexes doing? What stage?
suppressing external noise; Stage 2
List sleep waves over the stages
Awake= beta waves Drowsy, relaxed= alpha waves Stage 1= Theta Stage 2= sleep spindles, K complexes Stage 3/4= Delta REM= sawtooth
What is a heuristic? What is a judgmental example?
quick shortcut that sidesteps need for complex thinking; i.e. stereotypes
What is difference between true dream and sleep thought?
true dream- vivid, detailed dreamisn w/sensory and motor sensations experienced during REM
sleep thought- lacks vivid sensory and motor sensation, is more similar to daytime thinking, occurs during low-wave sleep
What is deese-roediger-mcdermot experimental paradigm?
False memory–> you’ll remember seeing word “sleep” on list of words related to sleep
How is habituation different from sensory adaptation?
habituation i.e. Pizarro fire trucks near apartment; can be immediately noticed
wedding ring on finger, however, you feel something absent
What is negative reinforcement?
NOT PUNISHMENT! it refers to removing a negative stimulus i.e. umbrella; its a reward because it removes getting wet, i.e. rat is shocked continuously, pressing lever makes it stop
What is Freud’s structural theory of the mind?
id- biggest source of energy/motivation
ego- develops from infancy, understands reality and logic
supergo- moral
What are 5 stages of Psychosexual Development?
1) oral (birth-1 year)
2) anal (1-3 years)
3) phallic (3-5 years) oedipus
4) latent (5-puberty)
5) genital (puberty on)