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abaissement du niveau mental

Overview page. Subjects: Psychology.

In analytical psychology, a reduced state of concentration and attention, accompanied by a loosening of inhibitions and relaxation of restraints, in which unexpected contents may emerge...

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abasia

Overview page. Subjects: Psychology — Medicine and Health.

Inability to walk. Compare dysbasia. [From Greek a- without  +  basis a step, from bainein to step or go  +  -ia indicating a condition or quality]

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ABC

Overview page. Subjects: Psychology.

1 A model used in rational emotive behaviour therapy (REBT) for analysing a client's problems systematically into: A, the activating event; B, the mediating evaluative beliefs;...

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abducens nerve

Overview page. Subjects: Psychology.

Either of the sixth pair of cranial nerves controlling the lateral rectus muscles of the eyes, turning the eye outwards for a sidelong direction of gaze. Paralysis of this nerve causes...

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aberration

Overview page. Subjects: Psychology.

1 A deviation from what is normal, usual, or right. See also chromosomal aberration.

2 A temporary lapse of behaviour or mental function. 

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ability test

Overview page. Subjects: Psychology.

A test that measures a person's current level of performance or that estimates future performance. The term sometimes denotes an achievement test, sometimes an aptitude test, and sometimes...

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ablation experiment

Overview page. Subjects: Psychology.

A basic research method of physiological psychology based on ablation, especially during the first three-quarters of the 20th century, in which an attempt is made to determine the functions...

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ableism

Overview page. Subjects: Psychology.

Discrimination against people who are not able-bodied, or an assumption that it is necessary to cater only for able-bodied people. The term was coined by US feminists in the 1980s and was...

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Abney effect

Overview page. Subjects: Psychology.

1 The slight change in the hue of monochromatic light when its lightness changes as a result of white light being added to it.

2 A perceptual phenomenon...

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Abney's law

Overview page. Subjects: Psychology.

The principle according to which the total luminance of light composed of several wavelengths is equal to the sum of the luminances of its monochromatic components. [Named after the English...

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abnormal

Overview page. Subjects: Psychology — Medicine and Health.

Departing from what is usual or what is the rule or norm (1, 2). [From Latin ab from  +  norma a rule  +  -alis of or relating to]

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abnormal psychology

Overview page. Subjects: Psychology.

A branch of psychology devoted to the study of the classification, aetiology, diagnosis, treatment, and prevention of mental disorders and disabilities. Also called psychopathology. Compare...

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aboulia

Overview page. Subjects: Psychology.

A variant spelling of abulia.

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Abraham Lincoln effect

Overview page. Subjects: Psychology.

The tendency for a block portrait to be difficult to recognize as a meaningful image when viewed close up but to become more recognizable when viewed from a distance or when blurred by half...

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abreaction

Overview page. Subjects: Psychology — Medicine and Health.

(ab-ree-ak-shŏn)

the release of strong emotion commonly associated with a buried memory. Abreaction may be induced as a treatment for conversion disorder, anxiety state, and other...

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absence

Overview page. Subjects: Psychology.

The state or condition of being away from a place. In abnormal psychology and neurology, a brief period of loss of attention or consciousness, often followed by amnesia for the period of...

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absent-mindedness

Overview page. Subjects: Psychology.

Preoccupation to the point of being inattentive to one's own behaviour and surroundings, often characterized by action slips arising from open-loop control of actions that demand...

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absolute acuity

Overview page. Subjects: Psychology.

The maximum keenness or sharpness of a sense organ to detect weak stimuli, usually expressed in terms of the absolute threshold. See also acuity. Compare differential acuity.

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absolute error

Overview page. Subjects: Psychology — Sports and Exercise Medicine.

In psychophysics, the difference between the judged value of a stimulus and its true value, ignoring the direction of the difference. Compare relative error. [Alluding to the mathematical...

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absolute limen

Overview page. Subjects: Psychology.

Another name for the absolute threshold. [From Latin limen a threshold]

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