RETINITIS PIGMENTOSA
Usually hereditary, a retinal disorder which exhibits increasing atrophy of the photoreceptors in the retinal pigment epithelium.
RETROGRESSION
Reappearance of a lapsed unacceptable behavior, or a return to a behavior which was acceptable at a previous stage of…
REVERSAL LEARNING
Discriminating between two opposing options, wherein the rewarded responses have been reversed after having been correlated with two different stimuli.
REVOLUTIONARY COALITION
Formation of a subgroup in a bigger organization which seeks to implement profound and extensive alterations in the operation and…
RHINENCEPHALON
Part of the brain which contains the limbic system and its attendant structures. Also known as: paleopallium.
RIDDOCH'S PHENOMENON
Ability to appreciate a small, moving object in an area of the visual field blind to static objects; especially associated…
RIGHTS OF PATIENTS
Rights which are considered inviolable for individuals who have been involuntarily legally committed to any treatment facility. These rights are…
RISK SENSITIVITY
Capability of an organism to discriminate between a habitat where resources are fairly stable over a long period versus a…
ROELOFS EFFECT
Departure from the norm in spatial perception wherein the intuitive placement of
ROLE REVERSAL
Strategy intended for treatment and instructive reasons wherein someone swaps roles with somebody else, so as to encounter different thinking…
ROOTING REFLEX
Reflex of a newborn whereby a stimulus (a light touch with a nipple or finger) in the area of the…
ROTE RECALL
Exact recall of information which has been saved entirely; for example, an address, color pattern, or musical piece. See also:…
RUBINSTEIN-TAYBI SYNDROME (RSTS RTS)
Disease identified by small stature, medium to serious mental retardation, distinct facial characteristics, and wide thumbs and first toes. Additional…
RUNAWAY SELECTION
Hypothesis of female partner preference suggesting that particular attributes in males are sexually appealing to females, which select partners with…