D's in Glossary Flashcards Preview

PSY 100 > D's in Glossary > Flashcards

Flashcards in D's in Glossary Deck (25):
1

debriefing

the post-experimental explanation of a study, including its purpose and any deceptions, to its participants

2

deep processing

encoding semantically, based on the meaning of the words; tends to yield the best retention

3

defense mechanisms

in psychoanalytic theory, the ego's protective methods of reducing anxiety by unconsciously distorting reality

4

deindividuation

the loss of self-awareness and self-restraint occurring in group situations that foster arousal and anonymity

5

deja vu

that eerie sense of "I've experienced this before"

6

delta waves

the large, slow brain waves associated with deep sleep

7

delusions

false beliefs that may accompany psychotic disorders

8

dendrites

a neuron's bushy, branching extensions that receive messages and conduct impulses toward the cell body

9

dependent variable

the outcome factor; the variable that may change in response to manipulations of the independent variable.

10

depressants

drugs that reduce neural activity and slow body functions

11

depth perception

the ability to objects in three dimensions although images that strike the retina are two-dimensional; allows us to judge distance

12

developmental psychology

a branch of psychology that studies physical, cognitive, and social change throughout the life span.

13

difference threshold

the minimum difference between two stimuli required for detection 50% of the time.

14

discrimination (classical conditioning)

the learned ability to distinguish between a conditioned stimulus and stimuli that do not signal an unconditioned stimulus

15

discrimination

unjustifiable negative behavior toward a group and its members

16

dissociation

a split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others.

17

dissociative disorders

disorders in which conscious awareness becomes separated from previous memories, thoughts, and feelings

18

dissociate identity disorder (DID)

a rare dissociative disorder in which a person exhibits two or more distinct and alternating personalities

19

DNA (deoxyribonculeic acid)

a complex molecule containing the genetic info that makes up the chromosomes

20

double-blind procedure

an experimental procedure in which both the research participants and the research staff are ignorant (blind) about whether the research participants have received the treatment or a placebo.

21

down syndrome

a condition of mild to severe intellectual disability and associated physical disorders caused by an extra copy of chromosome 21

22

`dream

a sequence of images, emotions, and thoughts passing through a sleeping person's mind.

23

drive-reduction theory

the idea that a physiological need creates an aroused tension state that motivates an organism to satisfy the need

24

DSM-5

a widely used system for classifying psychological disorders.

25

dual processing

the principle that info is often simultaneously processed on separate conscious and unconscious tracks