AP Psychology

our awareness of ourselves and our environment

the interdisciplinary study of the brain activity linked with cognition

the principle that information often simultaneously processed on seperate conscious and unconscious tracks

the focusing of conscious awareness on a particular stimulus

failing to see visible objects when our attention is directed elsewhere

failing to notice changes in the environments

• the biological clock
• regular bodily rhythms that occur on a 24- hour cycle

rapid eye movement sleep, a recurring sleep stage during which vivid dreams commonly occur

the relativly slow brain waves of a relaxed, awake state

periodic, natural, reversable loss of consciousness- as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation

false sensory experiences, such as seeing something in the absense of an external visual stimulus

large, slow brain waves associated with deep sleep

recurring problems in falling or staying asleep

a sleep disorder characterized by uncontrollable sleep attcks

sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings

• a sleep disorder characterized by high arousal and an appearance of being terrorized
• during stage 4

equences of images, emotions and thoughts. the most vivid of which occur during REM sleep

the remembered storyline

underlying but cendored meaning of a dream

tendency for REM sleep to increase following REM sleep deprivation

a social interaction in which one person suggests to another that certain perseptions, feelings, thoughts or behaviors will spontaneously occur

• suggestion made suring a hypnosis session to be carried out after the subject is no longer hypnotized
• used by some clinicians to help control undesired symptoms and behaviors

a split in consious which allows some thoughts and behaviors to occur simultaneous with others

a chemical substance that slters perception and moods

the diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experienceing the drug's effect

the discopmfort distress that follow discontinuing the use of an addictive drug

a physiological need for a drug, marked by unpleasant withdrawl symptoms when the drug is discontinued

a psychological need to use a drug such as to relieve negative emotions

compulsive drug craving and use despite adverse consequences

drugs that reduce neural activity and slow body functions

drugs that depress the activity of the central nervous system, reducing anxiety but impairing memory and judgement

• opium and its derivatives
• depress neural acivity, temporarily lessening pain and anxiety

drugs tha excite neural activity and speed up body fucntions

drugs that stimulate neural activity causing speeded up body functions and associated energy and mood changes

a powerfully addictive stimulant that speeds up body functions and is associaed with energy and mood changes

• produces short-term euphoria by increasing serotonin levels in brain
• may damage serotonin neurons, suppress immunity and impair memory

psychedelic drugs that distort perceptions and evoke sensory images on absense of sensory input

• a powerful hallucinogen capable of producing vivid false perceptions and disorganiztion of though processes
• blocks act of neurotransmitter serotonin

classified as mild hallucinogen

an altered state of consciousess that has been reported by some people who have had a close brush with death