RULE-ASSESSMENT APPROACH

Concept which describes intellectual growth with respect to the regulations and progressively more potent tactics children employ to resolve difficulties. See also: adaptive...

ROMBERG'S SIGN

A diagnostically important signal of specific neurological afflictions, such as locomotor ataxia, comprised of a swaying movement and disequilibrium when the patient is standing...

RURAL ENVIRONMENT

Surroundings generally identified by open terrain and limited habitation; distant from metropolitan areas and urban centers; with an economic system which is typically centered...

RELAXATION

State of being relaxed. Refreshment of mind and body. Reduction in intensity of tension or vigor. Musculature returning to an inactive state after contraction.

REFLECTION RESPONSE

Response by a subject to the Rorshach test in which the inkblot appears to be a bilateral reflection of one side of the blot;...

RAUWOLFIA DERIVATIVES

A class of alkaloids from the same genus of plants as Hindu snakeroot. They are sedatives and anti-hypertensives.

RED-GREEN BLINDNESS

Inability to see some shades of red and green correctly, causing them to be confused. See also: deuteranopia.

RATE LAW

Reflecting the strength of a stimuli by the firing rate of the nerve impulses it elicits.

RETINAL RODS

Photoreceptive cells located in the retina which are very sensitive to dim light. See also: retinal bipolar cells; scotopic vision.

RIGHT-LEFT ORIENTATION TEST

Any evaluative measure which discerns the aptitude to effectively differentiate right and left directions.

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