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REWARDED ALTERNATIVE METHOD

Technique which supplants rewards for undesired behavior with rewards for appropriate, desired behavior.

RHODOPSIN

Photosensitive chromoprotein in the retinal rods which is bleached by light, allowing stimulation of retinal sensory endings. Also known as:

RIGHT BRAIN

Cerebral hemisphere located on the right of the corpus callosum which controls the left side of the body. See also:

RIMAS

Anagram to denote a reversible inhibitor of monoamine oxidase. See also: monoamine oxidase inhibitors.

RISKY IIIN, RISK-AS-FEELINGS THEORY

Concept which states decisions made in scenarios including an element of danger are frequently based on emotionally charged responses, including

ROBOT

Machine designed to carry out the duties of a human. State of emotional detachment in humans which is insensitive and

ROLANDIC CORTEX

Motor area of the cerebral cortex lying just anterior to the central sulcus and comprising part of the precentral gyrus;

ROLE-DIVIDED PSYCHOTHERAPY

Method of group psychoanalysis wherein participants get together for a portion of the treatment period without the counselor and then

ROSENTHAL EFFECT

Theory which posits that the expectations of an experimenter concerning the results of an experiment may have an unconscious effect

ROUGHNESS DISCRIMINATION TEST

Evaluation of somatosensory response wherein individuals touch various surfaces and are then asked to conclude which has the greatest degree

RULE OF ABSTINENCE

During psychoanalysis, the guideline that the individual ought to refrain from any gratifications which may divert him or her from

RACISM

A belief that first, individual racial groups have characteristics unique to that group. Secondly, that these characteristic predispose members of

RADIOACTIVE ISOTOPE

A radioactive isotope is an isotope of an element radiating during its decay to a stable form. All isotopes have

RANDOM MATING

At first, the idea that animals mated without specific mate selection held sway. However, it is now believed that random

RANDOMIZED-GROUP DESIGN

A design used in experimentation in which the subjects are randomly assigned to either a control group or experimental group

RAPHE NUCLEUS

Saprogenic neurons located in the brainstem the project to the spinal cord, thalamus, basal ganglia and cerebral cortex.

RATING ERROR

A rating that was incorrectly assigned.

RATIONAL THINKING

Thinking based on logical rules. A theory embraced by U.S. psychologist Jonathon Baron.

RCBF (RCBF)

Abbreviation for "Regional Cerebral Blood Flow"

REACTIVE INHIBITION

In the deductive theory of learning, a tendency for response magnitude to a stimulus decreasing with increasing exposure or fatigue