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n23

END-STOPPED CELL

A neuron in the visual area of the cerebral cortex responsive to a line of a certain length or to

ENHANCEMENT

Using genetic technology to make superior offspring.

ENTOPTIC PHENOMENA

Any visual sensation arising from within the eyeball.

ENVIRONMENTAL CONSTRAINT

A aspect of the environment that discourages the development of skills and abilities.

ENVIRONMENTAL PSYCHOPHYSICS

Applying psychophysical methods to problems in real world environments.

EPICRITIC SENSATION

A cutaneous sensation such as pressure or temperature that is detected at a low level of sensitivity.

EPILEPTIFORM SEIZURE

A seizure resembling and epileptic one but is not related to epilepsy. See non-eplileptic seizure.

EPISTEMIC

Relating to the knowledge of epistemology and the desire for knowledge.

EQUAL STEPS

Found in a series of stimuli differing in intensity and increments that are equal physically or perceptually.

ERECT

1. Upright or vertical. See piloerection- posture. 2. Tumescent as in a penis.

ERGOT DERIVATIVES

A group of adrenoreceptor blocking agents derived from ergot alkaloids.

EROTIC INSTINCT

1. Sex drive or libido. 2. Eros or the life instinct.

ERROR OF COMMISSION

A type of human error where the person say presses a buton twice instead of once and an error occurs.

ESCAPE FROM REALITY

Defense action by using fantasy to avoid conflicts and problems. See flight from reality.

EST 1

The abbreviation for electro-shock therapy or electro-convulsive shock therapy.

ESTROUS BEHAVIOR

A pattern of behaviour seen in non-human females during estrus. Also called heat.

ETHNIC CLEANSING

The removal, detention and genocide of an ethnic group to produce a homogenous territory or society.

ETHOS

The character or spirit of a person, culture, nation or period in time. See ortgeist- zeitgeist.

EUPHOROGENIC

An event or medication generating a sdtate of euphoria.

EVALUATION RESEARCH

Applying scientific principles, methods and theories to identify, describe, measure and predict importnat factors to develop human service delivery systems.