DORSAL STREAM
The neural stream projected dorsally from the primary visual cortex in to the parietal lobe. Compare ventral pathway.
DOUBLE ENTENDRE
A word, sentence or phrase that can be interpreted in 2 ways. See ambiguity- pun.
DOWNWARD DRIFT HYPOTHESIS, DRIFTING ATTENTION
A disorder where attention is a short span of time but a person then drifts back to a somnolent state.…
DREAM CONTENT
Any images and ideas expressed when we dream. See latent content- manifest content.
DRUG DISCRIMINATION
The ability of an organism to distinguish between internal states produced by different drugs.
DUAL INSTINCT THEORY
Psychoanalytic theory. Life is governed by 2 opposing forces life instinct and death instinct.
DUMMY VARIABLE CODING
A way of assigning numerical values to a categorical variable so that it reflects class membership.
DVORAK KEYBOARD
Layout of a keyboard based on how often letters are used in thge English language.
DYNAMIC PSYCHOLOGY
1. Any system of psychology that looks at drive and motivation. 2. Theory of psychology emphasising causation and motivation relating…
DYSSOCIAL BEHAVIOR
Former name for any behaviour associated with delinquent or criminal activities like racketeering, gangsterism and illegal gambling. Also called sociopathic…
DECLARATIVE
The sentence or clause that makes a statement and not a question. See indicative.
DEFECT ORIENTATION
A service planning process that focuses on a person's limitations, deficits and disabilities. See defect theory. Compare development orientation.
DEFERRED IMITATION
Imitating an act some time after it happened. Proposed by Jean Piaget and first seen at around 18 months old.
DEGREES OF FREEDOM
1. Number of elements free to vary in a statistical calculation. See chi-square distribution. 2. Motor control. The joints and…