Motivation
a need or desire that energizes and directs behavior
Instinct
a complex behavior that is rigidly patterned throughout a species and unlearned
Physiological Need
a basic bodily requirement
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 need, beginning at the base with physiological needs that must first be satisfied before higher-level safety needs and then psychological needs become active
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 combine to restore lost weight
Basal Metabolic Rate
the body’s resting rate of energy output
Ghrelin
appetite increasing hormone secreted by the empty stomach; sends “i’m hungry” signals to the brain
Orexin
appetite increasing hormone that triggers hunger in the hypothalamus
Insulin
appetite decreasing hormone secreted by the pancreas that controls blood glucose
Leptin
protein hormone secreted by fat cells; when abundant, causes the brain to increase metabolism and decrease hunger
PYY
appetite decreasing hormone secreted by the digestive tract; sends “i’m not hungry” signals the the brain
Obesity
a body mass index(BMI) measurement of 30 or higher
Asexual
having no sexual attraction to others
Estrogens
sex hormones that contribute to female sex characteristics and are secreted in greater amounts by females than males
Sexual Response Cycle
the four stages of sexual responding described by William Masters and Virginia Johnson; excitement, plateau, orgasm, resolution
Refractory Period
a resting period that occurs after orgasm, in which a person cannot achieve another orgasm
Affiliation Need
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-asorbtion
Grit
in psychology, passion and perseverance in the pursuit of long-term goals
Achievement Motivation
a desire for significant accomplishment, for mastery of skills or ideas, for control, and for attaining a high standard
Emotion
a response of the whole organism, involving
(1) physiological arousal,
(2) expressive behaviors, and
(3) conscious experience
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
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 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 Effect
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 System
Selye’s concept of the body’s adaptive response to stress in three phases: alarm, resistance, and exhaustion
Tend-and-Befriend Response
under stress, people (especially women) often provide support to others (tend) and bond with and seek support from others (befriend)
Health Psychology
a subfield of psychology that provides psychology’s contribution to behavioral medicine
Psychoneuroimmunology
the study of how psycholoigcal, 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
in psychology, the idea that “releasing” aggressive energy (through action or fantasy) relieves aggressive urges
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 if 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 to evaluate people’s quality of life
Adaption-Level Phenomenon
our tendency to form judgements relative to a neutral level defined by our prior experience
Relative Deprivation
the perception that we are worse off relative to those with whom one compares oneself
Personality
an individual’s characteristic pattern of thinking, feeling, and acting
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 embarassing
ID
a reservoir of unconscious psychic energy that, according to Freud, strives to satisfy basic sexual and aggressive drives. Operates in 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, represent internalized ideals and provides standards for judgment (the conscience) and for future aspirations
Psychosexual Stages
the childhood stages of development (oral, anal, phallic, latency, and 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
in psychoanalytic theory, 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
Repression
in psychoanalytic theory, 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 that provides ambiguous images designed to trigger projection of one’s inner dynamics
Thematic Apperception Test (TAT)
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; exploores people’s emotional and behavioral responses to reminders of their impending death
Humanistic Theories
theories that view personality with a focus on the potential for healthy personal growth
Hierarchy of Needs
Maslow’s pyramid of human needs, beginning at the base with physiological needs that must be first be satisfied before higher-level safety needs and then psychological needs become active
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
Self-Transcendence
according to Maslow, 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 on which people respond to items designed t gauge a wide range of feeling and behaviors; used to assess selected personality traits
Minnesota Multiphasic Personality Inventory (MMPI)
the most widely researched and clinically tested 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 (such as the MMPI) 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 out thoughts, feelings, and actions
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
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 goal’s of one’s group (often one’s extended family or work group) and defining one’s identity accordingly