Chapter 5 - Consciousness

consciousness

state of awareness

cognitive psychology

study of consciousness and unconsciousness processes

optogenetics

technology used in search for neurons that may act as switches for different states of consciousness 

automatic processing 

processing of sensory information that automatically turns on 

selective attention

focus awareness on small segments of information

inattentional blinding

looking without seeing

level of consciousness 

wakefulness, sleepiness, drug-induced status, dreaming, hypnotic states, and meditative states 

do animals sleep?

yes!!

suprachiamatic nuceus (scn)

the body’s master clock like the circadian clock

pineal gland 

produces melatonin 

reticular information

regulates alertness and sleepiness

Hypothalamus

regulates patterns of hunger and temp

larks 

early risers 

owls

late risers

jet lag

delayed adjustments to time zone change

shift work 

overnight shifts 

beta waves

indicate alert, awake state

alpha waves

indicate relaxed, drowsy state

non rapid eye movement 

non dreaming sleep occurring through three stages 

theta waves 

indicate early stage of sleep 

delta waves

slow wave sleep, low frequency waves

NREM-1 theta waves

light sleeping

NREM-2 theta waves

sleep spindles

NREM 3 Delta waves

deep sleep

REM

stage r 

Cycle of sleep

cycle last about 90 min and the average sleeper making 5 loops per night

smart drugs

non medical use of substances used to enhance memory or concentration

hallucinogens 

drugs that alter distorted sensory experiences, hallucinations, alterations of mood, amd distorted think ex: LSD, ketamine

types of hallucinogens

phencyclidine, ketamine, LSD, mdmd, marijuana

types of smart drugs

adderall, ritalin, modafinil

MDMA (ecstasy)

club drug that produces combination of stimulant and hallucinogenic effects that affects your serotonin levels 

marijuana

a hallucinogens that indices mild euphoria and time distortions

physiological dependence

constant use of drug that the body cannot live normally without the drug

physiological dependence 

a strong desire or need to continue using substance without the evidence of withdrawal symptoms