5.1 Psyc

Front 1

activation-synthesis hypothesis

Back 1

The idea that dreams represent the brain’s attempt to make sense out of random patterns of neural activity generated during sleep

Front 2

alpha waves

Back 2

The pattern of brain activity observed in someone who is in a relaxed state, with his or her eyes closed

Front 3

attention

Back 3

The internal processes people use to set and follow priorities for mental functioning

Front 4

attention deficit/hyperactivity disorder

Back 4

A psychological condition marked by difficulties in concentrating and sustaining attention and by high levels of fidgety physical activity; occurs most often in children

Front 5

automaticity

Back 5

Fast and almost effortless processing that requires little or no focused attention

Front 6

biological clocks

Back 6

Brain structures that schedule rhythmic variations in bodily functions by triggering them at the appropriate times

Front 7

catalepsy

Back 7

A hypnotically induced behaviour characterized by an ability to hold one or more limbs of the body in a rigid position for long periods without tiring

Front 8

circadian rhythms

Back 8

Biological activities that rise and fall in a 24-hour cycle

Front 9

cocktail party effect

Back 9

The ability to focus on one auditory message, such as a friend’s voice at a noisy party, and largely ignore others, yet notice when your own name is spoken among the auditory stimuli that you have been ignoring

Front 10

consciousness

Back 10

The subjective awareness of internal and external events

Front 11

delta activity

Back 11

The pattern of brain activity observed in stage 3 and stage 4 sleep; it’s characterized by synchronized slow waves (also called slow-wave patterns)

Front 12

depressants

Back 12

A class of drugs that slow or depress the ongoing activity of the central nervous system

Front 13

dichotic listening

Back 13

A technique in which two different auditory messages are presented simultaneously, one to each ear; usually the subject’s task is to shadow, or repeat aloud, one message while ignoring the other

Front 14

drug dependency

Back 14

A condition in which an individual experiences a physical or psychological need for continued use of a drug

Front 15

hallucinogens

Back 15

A class of drugs that tend to disrupt normal mental and emotional functioning and produce distorted perceptions

Front 16

hypersomnia

Back 16

A chronic condition marked by excessive sleepiness