Consciousness
our awareness of ourselves and our environment
Selective Attention
the focusing of conscious awareness on a particular stimulus
Cocktail Party Effect
the ability to attend to only one voice among many
Perceptual Adaptation
in vision, the ability to adjust to an artificially displaced or even inverted visual field
Inattentional Blindness
failing to see visible objects when our attention is directed elsewhere
Retinal Disparity
a binocular cue for perceiving depth; by comparing images from the retinas in the two eyes, the brain computes distance - the greater the disparity between the two images, the closer the object
Circadian Rhythm
the biological clock; regular bodily rhythms that occur on a 24 hour cycle
Behavior Genetics
the study of the relative power and the limits of genetic and environmental influences on behavior
Gender Roles
the behaviors a culture expects from its men and women
Gender Typing
the acquisition of a traditionally masculine or feminine role
Natural Selection
the principle that, among the range of inherited trait variations, those contributing to reproduction and survival will most likely be passed on to succeeding generations
Schemas
a concept or framework that organizes and interprets information
Genome
the complete instructions for making an organism, consisting of all of the genetic material in that organism’s chromosomes
Norms
an understood rule for accepted and expected behavior, and prescribe “proper” behavior
Stages of Sleep
NREM1, NREM2, NREM3, REM
NREM1
experience hallucinations and hypnagogic sensations
NREM2
periodic sleep spindles: bursts of rapid, rhythmic brain wave acitivity
NREM3
the brain emits large, slow delta waves; in deep sleep
REM Sleep
heart rate rises, breathing becomes rapid and irregular, eyes dart around behind closed lids, where dreams occur
Sleeping Disorders
problems involving the quality, timing, and amount of sleep
Freud’s Dream Theory
dreams have a manifest content, the apparent and remembered story line, that censors the latent content, a symbolic, underlying meaning of a dream that represents the unconscious drives and wishes of the dreamer
Tolerance
the diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drug’s effect
Withdrawal
the discomfort and distress that follow discontinuing the use of an addictive drug
Opiates
opium and its derivatives that depress neural activity, temporarily lessening pain and anxiety, such as morphine and heroin
Stimulants
drugs that excite neural activity and speed up body functions, such as caffeine, nicotine, amphetamines, cocaine, ecstasy, and meth
Depressants
drugs that reduce neural activity and slow body functions, such as alcohol, barbiturates, and opiates
Hallucinogens
psychedelic drugs that distort perceptions and evoke sensory images in the absence of sensory input, such as LSD
Meth
stims CNS, sped up body funcs (associated energy and mood changes), deduces baseline dopamine lvls
Ecstasy
synthetic stim/mild hallucinogen; produces euphoria and social intmacy; long term harm to serotonin producing neurons
barbiturates
drugs that press nervous system activity reducing anxiety but impairing memory/judgement
Overall effects
depends on the bio and psychological aspects; depends on what the user expects from the drug/social contexts/culture
manifest content
remembered storyline
latent content
underlying meaning of a dream
change blindness
failure to see change in an environment
blindsight
a condition where a patient can respond to a visual stim w/o actually experiencing it