A

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ANTI- (ANT-)

A prefix which means against or in opposition to. May mean counteracting when describing a process, for example, anti-aging.

ANTICIPATORY ERROR

1. An impulsive or premature response to a question. 2. An error in which an item from a list is

ANTIGEN-ANTIBODY REACTION

the binding of an antibody to its particular antigen with the purpose of destroying it The bound antibody renders the

ANTIPYRETICS

n. pharmacological drugs that help control fever or other forms raised body temperature. The drugs work by impacting the thermoregulatory

ANXIETY EQUIVALENT

in psychoanalysis, this refers to a conscious, observable symptom of anxiety, such as blushing, trembling, or nausea.

ANXIOUS-RESISTANT ATTACHMENT

in the strange situation experiment, designed by Mary Ainsworth, a form of insecure attachment whereby an infant appears anxious in

APHEMIA

n. Originally defined by French physician Pierre Paul Broca (1824-1880), this refers to a motor aphasia with nonfluency (i.e., lack

APOPLEXY

n. 1. a now generally obsolete term for a hemorrhagic stroke. 2. Also refers to hemorrhage into an organ, for

APPERCEPTIVE

a base of previously acquired knowledge with which a new perception or idea must be assimilated if it is to

APPLIED TENSION

a technique often used in behavior therapy and exposure therapy that focuses on modifying physiological responses (e.g., low blood pressure)

APPROACH-AVOIDANCE CONFLICT

ambivalence or conflict that arises when a goal has both desirable and undesirable aspects or consequences, leading the individual to

APTITUDE TEST

an overall assessment instrument or test designed to measure (a) concrete abilities such as dexterity, visual acuity, and clerical performance-

ARCHICEREBELLUM

n. phylogenetically, this represents the oldest part of the cerebellum.

AREAL LINGUISTICS

the study of specific languages and dialects within a defined geographical area. This branch of linguistics specifically emphasizes regional influences.

ARISTOTLE

the tactile illusion that a single object is actually two objects when held in the crossed index and middle fingers.

AROMATIZATION HYPOTHESIS

the hypothesis that in rodents, testicular androgens enter the brain and are converted into estrogens by the aromatase enzyme. This

ARRANGED MARRIAGE

a marriage planned and contracted by the parents or other relatives of the couple. In cultures in which arranged marriages

ARTHROGRYPOSIS MULTIPLEX CONGENITA

a congenital disorder, caused by genetic factors in 30% of cases. It is marked by distorted joints in different body

ARTIFICIAL INSEMINATION (AI)

the use of medical or surgical techniques to achieve conception by introducing sperm into the female reproductive system by artificial

ASCETICISM

n. refers to a character trait or lifestyle characterized by simplicity, the renunciation of physical pleasures, social withdrawal, and extreme