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drive-reduction theory
the idea that a physiological need creates an aroused tension state (a drive) that motivates an organism to satisfy the need
Yerkes-Dodson Law
the principle that performance increases with arousal only up to a point, beyond which performance decreases
Set point
the point at which an individual's "weight thermostat" is supposedly set. When the body falls below this weight, an increase in hunger and a lowered metabolic rate may act to restore the lost weight.
James-Lange Theory
the theory that our experience of emotion is our awareness of our physiological responses to emotion-arousing stimuli
Cannon-Bard Theory
the theory that an emotion-arousing stimulus simultaneously triggers (1) physiological responses and (2) the subjective experience of emotion
Two-factor theory
the Schachter-Singer theory that to experience emotion one must (1) be physically aroused and (2) cognitively label the arousal
Facial-feedback effect
the tendency of facial muscle states to trigger corresponding feelings such as fear, anger, or happiness
distress
negative stress
eustress
positive stress
general adaptation syndrome
Seyle's concept that the body responds to stress with alarm, resistance and exhaustion
psychophysiological illness
literally, "mind-body" illness; any stress-related physical illness, such as hypertension and some headaches
psychoneuroimmunology
the study of how psychological, neural, and endocrine processes together affect the immune system and resulting health
Type A
Friedman and Rosenman's term for competitive, hard-driving, impatient, verbally aggressive, and anger-prone people
Type B
Friedman and Rosenman's term for easygoing, relaxed people
Psychoanalysis
Freud's theory of personality that attributes thoughts and actions to unconscious motives and conflicts; the techniques used in treating psychological disorders by seeking to expose and interpret unconscious tensions
Id
a reservoir of unconscious psychic energy that, according to Freud, strives to satisfy basic sexual and aggressive drives. operates on the pleasure principle, demanding immediate gratification.
Ego
the largely conscious, "executive" part of personality that, according to Freud, mediates among the demands of the id, superego, and reality. operates on the reality principle, satisfying the id's desires in ways that will realistically bring pleasure rather than pain.
Superego
the part of personality that, according to Freud, represents internalized ideals and provides standards for judgment (the conscience) and for future aspirations
Fixation
according to Freud, a lingering focus of pleasure-seeking energies at an earlier psychosexual stage, in which conflicts were unresolved
Defense mechanisms
in psychoanalytic theory, the ego's protective methods of reducing anxiety by unconsciously distorting reality
Collective unconscious
Carl Jung's concept of a shared, inherited reservoir of memory traces from our species' history
self-actualization
according to Maslow, one of the ultimate psychological needs that arises after basic physical and psychological needs are met and self-esteem is achieved; the motivation to fulfill one's potential
unconditional positive regard
according to Rogers, an attitude of total acceptance toward another person
self-concept
all our thoughts and feelings about ourselves, in answer to the question, "Who am I?"
reciprocal determinism
the interacting influences of behavior, internal cognition, and environment
spotlight effect
overestimating others' noticing and evaluating our appearance, performance, and blunders
self-esteem
one's feelings of high or low self-worth
self-efficacy
one's sense of competence and effectiveness
self-serving bias
a readiness to perceive oneself favorably