Neurology

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PHARMACODYNAMIC TOLERANCE

a type of drug tolerance wherein the chemistry of the brain comes to be acclimated to the existence of the

PHRENOLOGY

noun. a theory of personality developed in the 18th and 19th centuries by an Austrian philosopher and anatomist named Johann

PLACEBO

noun.1. a pharmacologically inert compound which is frequently delivered as a control in testing new drugs. Placebos utilized in double-blind

DEGREES OF FREEDOM

1. Number of elements free to vary in a statistical calculation. See chi-square distribution. 2. Motor control. The joints and

DENDRITE

A cell extension that is like a thread.

DETOUR PROBLEM

Used in problem solving by looking at indirect or circuitous solutions as the most direct solution is blocked.

DIARY METHOD

Technique where data is compiled by daily observation.

DIFFERENTIATION THEORY

Theory where perceptionis understood as a filtering process that allows noise to be filtered out while learning to distinguish features

DISCRETIONARY TASK

An unstructured task solved at discretion of the group or its leader using a variety of procedures. See additive task-

DISPERSION

The degree that a group of scores deviate from the mean. Also called spread.

DIZYGOTIC TWINS (DZ TWINS)

Twins that have developed from two separate and eggs fertilised by separate sperm. Also called fraternal twins.See twin studies.

DREAM ANALYSIS

Interpretation of dream content to reveal any underlying motivations, symbolic meanings or representations. Also called dream interpretation.

DUSKY STANDARD

The defendent's competency to stand trial is related to the ability to understand the criminal procedings and to reasonably assist

DYSPHEMIA

Disorder of phonation, articulation or hearing associated with emotional and mental disturbance and predisposition to neurological disorder.

EDUCATIONAL PSYCHOLOGY

Psychology dealing with methods of learning and addresses a variety of psychological problems.

EGO TRANSCENDENCE

The feeling that we are beyond concern with the self and able to perceive reality with less egocentric bias ans

ELEMENTARISM

1. Scientific theory. Used to explain a complex thing by breaking it down to simple, elemental units. 2. Belief that

EMOTIONAL DISPOSITION

The tendency to have a particular type of experience.

EMPTY SPEECH

A speech with little meaning and content.

ENDOPSYCHIC STRUCTURE

The internal structure of the mind combining the ego, id and superego. See structural model.