motivation
a need or desire that energizes and directs behavior.
instinct
a complex behavior that is rigidly patterned throughout a species and is unlearned.
physiological need
a basic bodily requirement.
drive-reduction theory
the idea that a physiological need creates an aroused state (a drive) that motivates an organism to satisfy the need
homeostasis
a tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level.
incentive
a positive or negative environmental stimulus that motivates behavior.
yerkes-dodson law
the principle that performance increases with arousal only up to a point, beyond which performance decreases.
hierarchy of needs
maslow’s pyramid of human needs, beginning at the base with physiological needs that must first be satisfied before higher-level safety needs and then psychological needs become active.
basal metabolic rate
the body’s resting rate of energy outpu
glucose
the form of sugar that circulates in the blood and provides the major source of energy for body tissues. When its level is low, we feel hunger.
set point
the point at which your “weight thermostat” may be set. When your body falls below this weight, increased hunger and a lowered metabolic rate may combine to restore lost weight.
obesity
defined as a body mass index (BMI) measurement of 30 or higher.
asexual
having no sexual attraction to others.
estrogens
sex hormones, such as estradiol, that contribute to female sex characteristics and are secreted in greater amounts by females than by males. Estrogen levels peak during ovulation. In nonhuman mammals, this promotes sexual receptivity.
testosterone
the most important male sex hormone. Both males and females have it, but the additional testosterone in males stimulates the growth of the male sex organs during the fetal period and the development of the male sex characteristics during puberty.
sexual response cycle
the four stages of sexual responding described by Masters and Johnson— excitement, plateau, orgasm, and resolution.
refractory period
in human sexuality, a resting period that occurs after orgasm, during which a person cannot achieve another orgasm.
affiliation
the need to build relationships and to feel part of a group.
ostracism
deliberate social exclusion of individuals or groups.
narcissism
excessive self-love and self-absorption.
achievement motivation
a desire for significant accomplishment, for mastery of skills or ideas, for control, and for attaining a high standard.
grit
passion and perseverance in the pursuit of long-term goals
james-lange theory
the theory that our experience of emotion is our awareness of our physiological responses to an emotion-arousing stimulus: stimulus → arousal → emotion.
emotion
a response of the whole organism, involving (1) physiological arousal, (2) expressive behaviors, and (3) conscious experience.
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.
polygraph
a machine used in attempts to detect lies that measures several of the physiological responses (such as perspiration, heart rate, and breathing changes) accompanying emotion.
facial feedback effect
the tendency of facial muscle states to trigger corresponding feelings such as fear, anger, or happiness.
behavior feedback
the tendency of behavior to influence our own and others’ thoughts, feelings, and actions.
stress
the process by which we perceive and respond to certain events, called stressors, that we appraise as threatening or challenging.
general adaptation syndrome
Selye’s concept of the body’s adaptive response to stress in three phases— alarm, resistance, exhaustion.
tend-and-befriend response
under stress, people (especially women) often provide support to others and bond with and seek support from others.
health psychology
a subfield of psychology that provides psychology’s contribution to behavioral medicine.
psychoneuroimmunology
the study of how psychological, neural, and endocrine processes together affect the immune system and resulting health.
coronary heart disease
the clogging of the vessels that nourish the heart muscle; the leading cause of death in many developed countries
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.
catharsis
the idea that “releasing” aggressive energy (through action or fantasy) relieves aggressive urges
aerobic exercise
sustained exercise that increases heart and lung fitness; also helps alleviate depression and anxiety.
mindfulness meditation
a reflective practice in which people attend to current experiences in a nonjudgmental and accepting manner
feel-good, do-good phenomenon
people’s tendency to be helpful when in a good mood.
positive psychology
the scientific study of human flourishing, with the goals of discovering and promoting strengths and virtues that help individuals and communities to thrive.
subjective well-being
self-perceived happiness or satisfaction with life. Used along with measures of objective well-being (for example, physical and economic indicators) to evaluate people’s quality of life.
adaptation-level phenomenon
our tendency to form judgments (of sounds, of lights, of income) relative to a neutral level defined by our prior experience.
relative deprivation
the perception that one is worse off relative to those with whom one compares oneself.
psychodynamic theories
theories that view personality with a focus on the unconscious and the importance of childhood experiences.
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
unconscious
according to Freud, a reservoir of mostly unacceptable thoughts, wishes, feelings, and memories. According to contemporary psychologists, information processing of which we are unaware.
free association
in psychoanalysis, a method of exploring the unconscious in which the person relaxes and says whatever comes to mind, no matter how trivial or embarrassing.
id
a reservoir of unconscious psychic energy that, according to Freud, strives to satisfy basic sexual and aggressive drives. The id 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. The ego 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.
psychosexual stages
the childhood stages of development (oral, anal, phallic, latency, genital) during which, according to Freud, the id’s pleasure-seeking energies focus on distinct erogenous zones.
Oedipus complex
according to Freud, a boy’s sexual desires toward his mother and feelings of jealousy and hatred for the rival father
identification
the process by which, according to Freud, children incorporate their parents’ values into their developing superegos.
fixation
according to Freud, a lingering focus of pleasureseeking energies at an earlier psychosexual stage, in which conflicts were unresolved
defense mechanisms
the ego’s protective methods of reducing anxiety by unconsciously distorting reality.
repression
the basic defense mechanism that banishes from consciousness anxiety-arousing thoughts, feelings, and memories.
collective unconscious
Carl Jung’s concept of a shared, inherited reservoir of memory traces from our species’ history.
projective test
a personality test, such as the Rorschach, that provides ambiguous images designed to trigger projection of one’s inner dynamics.
thematic apperception test
a projective test in which people express their inner feelings and interests through the stories they make up about ambiguous scenes.
rorschach inkblot test
the most widely used projective test; a set of 10 inkblots, designed by Hermann Rorschach; seeks to identify people’s inner feelings by analyzing their interpretations of the blots.
terror-management theory
a theory of death-related anxiety; explores people’s emotional and behavioral responses to reminders of their impending death.
hierarchy of needs
Maslow’s pyramid of human needs, beginning at the base with physiological needs that must first be satisfied before higher-level safety needs and then psychological needs become active.
humanistic theories
theories that view personality with a focus on the potential for healthy personal growth.
self-actualization
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.
self-transcendence
the striving for identity, meaning, and purpose beyond the self.
unconditional positive regard
a caring, accepting, nonjudgmental attitude, which Carl Rogers believed would help people develop self-awareness and self-acceptance.
self-concept
all our thoughts and feelings about ourselves, in answer to the question, “Who am I?”
trait
a characteristic pattern of behavior or a disposition to feel and act in certain ways, as assessed by self-report inventories and peer reports.
personality inventory
a questionnaire (often with true-false or agree-disagree items) on which people respond to items designed to gauge a wide range of feelings and behaviors; used to assess selected personality traits.
personality
an individual’s characteristic pattern of thinking, feeling, and acting.
minnesota multiphasic personality inventory
the most widely researched and clinically used of all personality tests. Originally developed to identify emotional disorders (still considered its most appropriate use), this test is now used for many other screening purposes.
empirically derived test
a test created by selecting from a pool of items those that discriminate between groups.
social-cognitive perspective
views behavior as influenced by the interaction between people’s traits (including their thinking) and their social context.
behavioral approach
focuses on the effects of learning on our personality development.
reciprocal determinism
the interacting influences of behavior, internal cognition, and environment.
self
in contemporary psychology, assumed to be the center of personality, the organizer of our thoughts, feelings, and actions
spotlight effect
overestimating others’ noticing and evaluating our appearance, performance, and blunders (as if we presume a spotlight shines on us).
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.
narcissism
excessive self-love and self-absorption.
individualism
giving priority to one’s own goals over group goals and defining one’s identity in terms of personal attributes rather than group identifications.
collectivism
giving priority to the goals of one’s group (often one’s extended family or work group) and defining one’s identity accordingly