REPEATABILITY
Ability of a test to repeatedly accrue the same result in subsequent measurements.
REPRESENTATIONAL CONSTRAINTS
Method whereby representations are believed to be hard-wired into the brain, making specific types of knowledge innate. Also known as:…
REPRESSIVE COPING STYLE
Maintenance of an unnaturally positive view through the minimization of problems or misfortunes. Diagnosis occurs when a combination of high…
RESEARCH DIAGNOSTIC CRITERIA (RDC)
A collection of psychiatric diagnostic criteria originally published in the 1970s. These criteria allowed a diagnosis to be homogenous within…
RESIDUAL SCHIZOPHRENIA
Schizophrenia subtype listed in DSM-IV-TR, in which one or more episodes have occurred, but the occurrence of positive symptoms such…
RESOURCE TEACHER
Special education teacher; may work with gifted, handicapped, or other exceptional groups of children. May offer consultation with other educators.
RESPONSE SUPPRESSION
Lessening in the probability of a response owing to an experimental process.
RESTORATION THERAPY
Therapeutic method whose aim is to reestablish both structure and function in any system which has been damaged or become…
RETICULAR ACTIVATING SYSTEM (RAS)
Portion of the reticular formation, believed to play a major role in regulating arousal, alertness, and sleep-wake cycles.
RETINAL RODS
Photoreceptive cells located in the retina which are very sensitive to dim light. See also: retinal bipolar cells; scotopic vision.
RETROGRADE DEGENERATION
Decay in the body of a neuron after injury is sustained to its axon. Compare with: anterograde degeneration.
RHESUS MONKEY
Native to India, Afghanistan, and Nepal, a diminutive primate regularly employed in research for physiology, biology, and medicine due to…
RICCO'S LAW
Principle of the function of the visual threshold relating to the force of a visual image and its location on…
RIGHTING REFLEX
The innate ability of an organism to assume an optimal position when it has been unbalanced or knocked over. Also…
RISK LEVEL
Lack of aversion to a specific amount of risk involved in making erroneous decisions, in a null hypothesis situation. See…
RITUALIZATION
Behavior which typically occurs in a member of a specific species and is highly stereotypical and independent of direct physiological…
ROD-AND-FRAME TEST (RFT)
An assessment employed to research the function of optical and gravitational signals in estimating the visual vertical. This is the…