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APOLIPOPROTEIN E (APOE)

refers to a protein that may help break down beta-amyloid. Individuals carrying a ApoE4 allele, are statistically more likely to

APPARENT SIZE

the size of a stimulus according to the perceiver. This depends on many factors in addition to the size of

APPLIED LINGUISTICS

the application of linguistic methods to practical cases. Typical contexts for this concept include language teaching, the treatment of language

APPROACH

n. a particular strategy or means of study used to achieve a goal or purpose. Also refers to the movement

APROSEXIA

n. refers to a loss of ability to focus attention in a meaningful way, due to a brain lesion or

ARBITRARY SYMBOL

a linguistic sign, for example, a verbally spoken word, that bears no obvious resemblance to the thing or concept signified.

ARCHIVE

n. a relatively permanent repository of data or material, for example, a data bank stored on a computer.

ARGYLL ROBERTSON PUPIL

a pupil that does not respond to light and reacts slowly to drugs that induce pupil contraction, but responds to

ARNOLD-CHIARI MALFORMATION

a congenital deformity in which the medulla oblongata and cerebellum protrude through the foramen magnum. This means that the cerebellum

AROUSAL TRANSFER

an increase in the intensity of one emotion that follows the experience of an initial emotion. For instance, the intensity

ARTERIOLE REACTION

a response controlled by the autonomic nervous system that changes the diameter of the arterioles. Since arterioles control the flow

ARTICULATORY PHONETICS

the branch of phonetics relating to the physiology of the articulatory mechanisms in human beings and the unique physical properties

ASANA

n. refers to a yoga posture or position. Each one of these positions is said to have both physical and

ASONIA

n. refers to a form of sensory amusia characterized by inability to distinguish differences in pitch. Also known as tone

ASSERTIVENESS TRAINING

1. a method of teaching individuals to change verbal and nonverbal behavioral patterns with the aim of enhancing interpersonal communication.

ASSOCIATION

n. 1. Some type of connection between ideas, behaviors, events, objects, or feelings on a conscious or unconscious level. Associations

ASSOCIATIVE ILLUSION

a simple visual illusion produced by the interaction of multiple parts of a design.

ASTEREOGNOSIS

a form of tactile agnosia characterized by a loss or marked impairment in the ability to identify objects or geometric

ASYLLABIA

n. a type of aphasia in which a person can recognize and comprehend individual letters of the alphabet but is

ATARAXY

n. a state of mind that is characterized by exact peace and serenity without any loss of mental abilities or