Neurology

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PSYCHOPHYSICAL FUNCTION

Also known as psychometric function, psychophysical function is the mathematical relationship comparing the strength of a stimulus and the strength

PUPILLOMETRICS (PUPILOMETRICS)

The science involved with the measurement of the pupil of the eye. In psychology, a research method that notes the

RANDOM SAMPLING

Selecting individuals for a study by selecting them from a larger potential group. To be random, each is chosen in

REACTION TIME (RT)

The time that passes between the introduction of a stimulus and the reaction by the subject to that stimulus.

REALITY CONFRONTATION

An act on behalf of the therapist in which the client is asked to consider the possibilty that he or

RECOGNITION

A sense of familiarity when encountering people, events or objects that have previously been encountered. It also pertains to material

REFLECTED APPRAISALS

Feedback for evaluation which a subject acquires from other individuals. See also: looking-glass self.

RELATIONAL LEARNING

Understanding how to differentiate between stimuli using relational properties rather than absolute properties.

REMOTE ASSOCIATION

Correlation among items in a list or series, along with another item which is not adjacent to the list.

RESERVE CAPACITY

Discrepancy between a subject's maximal ability to perform a given psychological exercise and the actual performance of that exercise.

RESPONSE SUPPRESSION

Lessening in the probability of a response owing to an experimental process.

RETROGRADE AMNESIA

Loss of ability to recall events which happened just prior to the onset of amnesia. See also: temporal gradient. Compare

ROBUSTNESS

Potential of a hypothesis-testing or approximation technique to generate legitimate measurements, despite transgressions against the presuppositions upon which the strategy

ROTE RECALL

Exact recall of information which has been saved entirely; for example, an address, color pattern, or musical piece. See also:

SAVINGS SCORE

Amount by which time or effort is reduced in reacquiring knowledge after it has been forgotten. See also: relearning method.

SCREE PLOT

Plot, in descending order of magnitude, of the eigenvalues of a correlation matrix. In the context of factor analysis or

SECULAR TREND

Long-term upward or downward trend in numbers, as opposed to a smaller cyclical variation with a periodic and short-term duration.

SELECTIVE REARING

Experiential paradigm wherein an organism is brought up from arrival or from the time that the eyes open under circumstances

PREVOCATIONAL TRAINING

Designed as a prepatory training, prevocational training does not concentrate on job-specific skills, but rather attempts to enhance a subject's

PRIMARY TASK

Ergonomically speaking, when one has a multi-task assignment, the primary task is the one that takes priority. That is, it