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ANGER

n. an emotion characterized by hostility and the expression of frustration. The function of this emotion may be cathartic, protective,

ANIMAL 1

n. an organism other than a human that lacks the human tendencies for self-reflection and insight. May also be distinguished

ANIMAL INTELLIGENCE

a collection of cognitive abilities in animals that are typified by learning, problem solving, and higher-order cognition. Current researchers tend

ANIMAL-HUMAN COMPARISON

the use of experiments, studies, and research to make inferences about human behavior from animal behavior. Animals similar to humans

ANNA O

a pseudonym for Josef Breuer's (1842-1925) feminist patient, Bertha L' Appenheim, whose hysteria led him to note the importance of

ANOMALOUS EXPERIENCE

refers to any one of a states of consciousness, but most popularly described as an altered state - that is

ANORTHOSCOPE

n. a device consisting of two consecutive disks that operate in opposing directions. The front disk is completely opaque but

ANTERIOR CHOROIDAL ARTERY

a narrow artery that branches from the posterior of the mid-cerebral artery. It lays across the optic tract in the

ANTHROPOLOGY

n. refers to the overall study of human beings. Subsectors look at similarities and differences between groups in terms of

ANTICIPATION

n. the imagining of a future event, which sometimes creates an affective response (a court date - anxiety, a party

ANTICONVULSANTS

pi. n. drugs used to reduce the frequency or severity of epileptic seizures or fits. Can be used to terminate

ANTIPREDATOR BEHAVIOR

all forms of action by an organism, either reflexive or reactive that function to avoid predation. This behavior includes anti

ANXIETY

a mood state characterized by worry, apprehension, and somatic symptoms. Similar to the tension caused when an individual anticipates impending

ANXIETY-RELIEF RESPONSE

in behavior therapy, this refers to the repetition of reassuring or tranquilizing words and phrases (e.g., calm

APGAR SCORE

an immediate evaluation of a newborn infant's responsiveness measured on five factors: skin color, heart rate, respiratory effort, reflexes, and

APOLLONIAN

adj. describes a state of mind that is extremely well-ordered, rational, and very harmonious (from Apollo, the god of prophecy,

APPARITION

n. 1. a visual illusion that results from the distortion of a perceived object of some kind. Often interpreted as

APPLIED PSYCHOLOGY

the application of the theories, principles, and techniques of psychology to clinical settings, for example, the treatment of psychopathology, educational

APPROACH CONTROL TEST

a test for simulation and assessment of air traffic control, and the human factors involved. It assesses the relative influence

APROSODIA

refers to the absence of normal variations in rhythm, stress, and pitch of speech, resulting in monotone or flat speech.