ACHROMATISM

an uncommon disorder in which one cannot see color. All objects are perceived in hues of gray. Also known as achromatopsia, this disorder renders...

ACOUSTIC REFLEX

1. the dwindling or shrinking of the tympanic cavity muscles, evoked by profound sounds, vocal expression, or moving of the body. This innate reaction...

ACQUIRED SPEECH DISORDER

a speech defect that generates at some point following delivery that can be demonstrated since the diminishment of a formerly attained capacity to build...

ACT ASSESSMENT

American College Testing Assessment: some four multiple-choice educational college assessments given throughout the country five times annually. A supplementary essay may be written as...

ACTION TENDENCY

a desire to behave in select communicative or important actions that are connected to a particular feeling. For instance, the worry comprises a desire...

ACTIVE AVOIDANCE

a kind of operant conditioning where a direct behavior blocks or delays the introduction of an aversive input, like whenever clicking a button impedes...

ACTIVE TOUCH

touch perception of the features of an item through deliberate, willful direct contact (in particular with the hands) which is self-started.

ACTIVITY WHEEL

a spinning drum which revolves by the weight of an animal that runs inside of it- documents how many times it turns around and...

ACULALIA

noun. nonsense talk corresponding with an absence of awareness of penned or spoken dialect. It is a type of aphasia generating from wounds in...

ACUTE DYSTONIA

an unexpected reduction of common muscle structure.

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