Cognition, Consciousness, and Language Flashcards
Characteristics of Awake State
beta and alpha waves
able to perceive, process, access and express information
Stage 1 Sleep
theta waves
light sleep
Stage 2 Sleep
Theta waves
sleep spindles and K complexes
Stage 3 and 4 Sleep
Delta waves
slow-wave sleep, dreams, declatative memory consioldation, some sleep disorders
REM Sleep
beta waves
appears awake physiologically but body paralyzed, dreams, procedural memory consolidation, some sleep disorders
Dyssomnias
Amount or timing of sleep. Includes: insomnia, narcolepsy, sleep apnea, and sleep deprivation
Parasomnias
odd behaviours during sleep. Includes: night tremors, and sleepwalking
Drug Addiction is Mediated by what Pathway
The mesolimbic pathway which includes the nucleus accumbens, medial forebrian bundle, and ventral tegmental area. Dopamine is the main neurotransmitter.
Depressants
Includes: alcohol, barbiturates, benzodiazepines.
Sense of relaxation and reduces anxiety.
Stimulants
Includes: amphetamines, cocaine, ecstasy
Increased arousal
Opiates/Opiods
Includes: heroin, morphine, opium, pain pills
Decreased reaction to pain; euphoria
Hallucinogens
Includes: LSD, peyote, mescaline, ketamine, psilocybin-containing mushrooms
Distortions of reality and fantasy; introspection
Marijuana Effects
Some features of depressants, stimulants and hallucinogens in very high doses
Piagets Stages of Cognitive Development
Sensorimotor Stage
Preoperational Stage
Concrete Operational Stage
Formal Operational Stage
Sensorimotor Stage
focuses on manipulating the environment to meet physical needs through circular reactions; object permanence ends this stage