Sleepdisorders

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PRINCIPAL COMPONENT ANALYSIS

Statistically, a technique that completely reproduces an interrelationship amongst many correlated variables with a smaller number of "principle components" that

PSYCHIATRIC DIAGNOSIS

The diagnosis of a single or combination of mental disorders.

PSYCHOPHARMACOTHERAPY

The study and use of pharmacological agents in mental disorders. For example, depression is treated with the administration of anti-depressants.

RATING SCALE

A scale used to assign scores to subjects or objects in a test.

RELAPSE

The recurrence of a disease or disorder following an apparent cure or improvement of said condition.

RESPONSE

Any clearly defined, measurable physical reaction to a stimulus.

RORSCHACH INKBLOT TEST

Psychological projective examination in which a subject's interpretations of a series of bilaterally symmetrical inkblots are studied as in indicator

PRIVATE EVENT

A private event is experienced only by one person. It is described as private activity, thought or experience. It can

PSYCHIATRIST

A highly trained physician who holds a specialty in diagnosing, treating and study of mental disorders. Training (in the United

PSYCHOPHYSICAL FUNCTION

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

RATIONAL

1. Having to do with higher thought processes. 2. Based on or agreeing with accepted principles of reasoning. 3. Influenced

RELATIONSHIP ROLE

Identifiable role taken on by a member of a group in order to achieve interpersonal harmony within the group. Also

RESPONSE COMPETITION

Hindrance of choice response tasks by extraneous stimuli, resulting in production of a response which slows reaction time in attaining

SAFETY NEEDS

Second tier in Maslow's hierarchy of needs, following physiological requirements for human survival. These needs include personal security (absence of

PRIVILEGE

Particularly in the medical realm, the information relating to care, treatment and diagnoses directed by a professional in treatment of

PSYCHOACTIVE DRUGS

A class of drugs with significant effect on thinking, perception, emotion and other psychological processes. Psychoactive drugs are sometimes taken

PSYCHOSCIENCE

A science dealing with mind, function and behavior. Also a science dealing with mental diseases and disorders and their treatment.

REACTION TIME (RT)

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

RELATIVE DEPRIVATION

A feeling of deprivation occurring when one compares themselves to another, regardless of objective reality. Se also: social comparison theory.

RESPONSE SET

Inclination to provide answers to queries in a methodical way, regardless of the content of the question. See also: response