Cognition, Consciousness, Language Flashcards
(39 cards)
What are the stages of Consciousness?
Awake 1 2 3/4 REM
What EEG waves are present in the awake stage?
beta and alpha
What EEG waves are present in the 1 stage?
theta
What EEG waves are present in the 2 stage?
theta
What EEG waves are present in the 3/4 stage?
delta
What EEG waves are present in the REM stage?
mostly beta
What are the features of the awake stage?
able to perceive, process, access, and express info
What are the features of the 1 stage?
light sleep
What are the features of the 2 stage?
sleep spindles and k complexes
What are the features of the 3/4 stage?
slow wave sleep, dreams, declarative memory consolidation, some sleep disorders
What are the features of the REM stage?
appears awake physiologically, dreams, paralyzed, procedural memory consolidation, some sleep disorders
What are two types of sleep disorders?
dyssomnias- amount or timing of sleep
parasomnias- odd behaviors during sleep
Examples of dyssomnias?
insomnia, narcolepsy, sleep apnea, sleep deprivation
Examples of parasomnias?
night terrors, sleep walking (somnambulism)
What pathway mediates drug addiction?
mesolimbic pathway which includes nucleus accumbens, medial forebrain bundle, and ventral tegmental area
What is the main neurotransmitter in drug addiction?
dopamine
Examples of depressants?
alcohol, barbiturates, benzodiazapines
Function of depressants?
sense of relaxation and reduced anxiety
Examples of stimulants?
amphetamines, cocaine, ecstasy
Function of stimulants?
increased arousal
Examples of opiates?
heroin, morphine, opium, pain pills
Function of opiates?
decreased reaction to pain, euphoria
Examples of hallucinogens?
LSD, peyote, mescaline, ketamine, psilocybin-containing mushrooms
Function of hallucinogens?
distortions of reality and fantasy, introspection