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ANIMAL COGNITION

the inference that animals are able to problem solve and find ways to adapt to the environment by way of

ANIMAL MODEL

a representation of animal anatomy that can be used to study similarities between human and animal makeup, behaviors, or diseases.

ANIMUS

in analytic psychology and coined by Carl Jung, this refers to an archetype imbued by masculine characteristics and/or the unconscious

ANNULMENT

n. 1. the formal termination of a marriage, partnership, or other judicial proceeding. 2. in psychoanalytic theory, this refers to

ANOMIC APHASIA NOMINAL APHASIA, AMNESTIC APRAXIA

an inability to execute a task due to a lack of memory for the instructions. The physical ability to perform

ANOVULATORY MENSTRUAL CYCLE

a menstrual cycle that occurs in the absence of menstruation. The defective and irregular cycle is caused by an imbalance

ANTERIOR PITUITARY HORMONE

any one of a number of hormones that are secreted by a brain region known as the anterior pituitary gland.

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.