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Needs
A substance, state, or anything needed for survival, well-being, or personal fulfillment
Drives
Generalized state of readiness precipitating or motivating an activity or course of action
Homeostasis
A tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry (e.g., blood glucose) around a particular level
Unit Bias
Tendency to think that a single unit of good (a bottle, a can, a plateful, or some more subtle measure) is the right amount to eat or drink
Bulimia Nervosa
Eating disorder involving recurrent episodes of binge eating following inappropriate compensatory behaviors (self-induced vomiting, fasting, excessive exercise)
Binge Eating
Consuming abnormally large quantities of food with a loss of control
Social Facilitation
Stronger responses on simple or well-learned tasks in the presence of others
Metabolic Rate
The body’s resting rate of energy expenditure
Set Points
Point at which an individual’s “weight thermostat” is supposedly set. When the body falls below this weight, an increase in hunger and a lower metabolic rate may act to restore the lost weight.
Insulin
Naturally made in the body and helps the body absorb the glucose. (Not produced in diabetics); secreted by the pancreas
Orexin
Neuropeptide that regulates arousal, wakefulness, and appetite; secreted by hypothalamus
Leptin
Protein hormone secreted by fat cells; when abundant, causes the brain to increase metabolism and decrease hunger
PYY
Digestive tract hormone; sends “I’m not hungry” signals to the brain
Ghrelin
Hormone secreted by empty stomach; sends “I’m hungry” signals to the brain
Incentives
Positive or negative environment stimulus that motivates behavior
Instincts (Fixed pattern)
A complex, unlearned behavior that is rigidly patterned throughout a species
Ostracism
Exclusion by general consent from common privileges or social acceptance
Facial Expressions
Nonverbal signaling using the movement of facial muscles; integral part of communication and expressing emotions
Type A
Competitive, self-critical, easily “wound up,” overreacts, hypertension; constant struggle against the clock; easily aroused to anger/hostility
Testosterone
Promotes the growth of male sex organs and other male-specific features. It's also responsible for the male-specific changes that occur during puberty such as deepening in the voice and increased facial hair although women possess this is much less quantities
Conscious Attention
“Reportable” form of attention that is part of conscious awareness
When we are attending to a particular object/thought/event that we are experiencing, and we can report that we are attending to it, we are exhibiting our use of conscious attention
James-Lange Theory (Peripheral Theory)
We feel emotion because we are aware of our physiological responses to stimuli (Stimuli → Physical → Emotion)
Cannon-Bard Theory
Stimulus simultaneously triggers both physiological responses and the experience of emotion (Stimulus → Physical/Emotion)
Schachter-Singer Theory (Two Factor Theory)
To experience emotion one must be physically aroused and cognitively label the arousal (Stimulus → Physical → Mental → Emotion)
Robert Zajonc
Believed we have reactions that are separate or occur before we interpret the situation (Stimuli → Emotion → Mental)
Meyer Friedman
Devised Type A and Type B personality theory; claimed that Type A were more likely to get heart disease because of their high stress lifestyle than Type B
Hans Selye
Identified “stress” as the reason for certain symptoms and illnesses and created the theory of general adaptation syndrome (three stages of stress: alarm, resistance, and exhaustion) and the idea of stressors
Catharsis Hypothesis
Venting anger through action or fantasy achieves an emotional release, catharsis
Catharsis (emotional release); this emotional release is linked to a need to relieve unconscious conflicts
EX: Experiencing stress over a work-related situation may cause feelings of frustration and tension
Yerkes Dodson Law
Suggests a relationship between performance and arousal; increased arousal can help improve performance, but only up to a certain point; when arousal becomes excessive, performance diminishes
Polygraph Tests
Test to measure and record several physiological indicators of stress (such as heart rate, blood pressure, etc.)
“Lie detector”
Maslow’s Hierarchy of Needs
From the bottom:
Physiological (Breathing, food, water, sex, etc.)
Safety (Security of body, of employment, or family, of health)
Love/Belonging (Friendship, family, sexual intimacy)
Esteem (Self-esteem, confidence, achievement, respect of others/by others)
Self-Actualization (Morality, creativity, spontaneity, problem solving, lack of prejudice, acceptance of facts)
Autonomic Nervous System
Fight or Flight
Sympathetic Nervous System - arousing body to run or fight
Parasympathetic Nervous System - calming and body returns to normal
Adaptation Level
Theoretical baseline which forms a standard against which new stimuli are evaluated
Tendency to form judgements relative to a “neutral” level
Relative Deprivation Principle
Perception that one is worse off than those they compare themselves to
Belief that a person will feel deprive or entitled to something based on the comparison to someone else
Stressors
Things that push our buttons (catastrophes, life changes, daily hassles)
Killer cells
Pursue diseased cells (those infected by viruses or cancer); lymphocytes
B Lymphocytes - form in bone marrow; release antibodies that fight bacterial infections
T Lymphocytes - form in the thymus; attack cancer cells, viruses, etc.
Telomeres
Structure found at the ends of chromosomes that protects fragments from rejoining after a chromosome has divided
Adrenal Glands
Secretes hormones that control emotional reactions and basic life processes such as metabolism, blood pressure, and sexual development
Epinephrine (adrenaline) and norepinephrine (arouses body during stress)
Prefrontal Cortex
Functions in attention, planning, working memory, and the expression of emotions and appropriate social behaviors
Amygdala
Serves a role in memory, emotion, perception of threat, and fear learning
Thalamus
Receives sensory information from the nervous system and passes the information to the cerebral cortex and other parts of the brain; relays information
Hypothalamus
Primary control over involuntary functions of the body; integrates autonomic activity into appropriate responses to internal/external stimuli; involved in appetite, thirst, sleep, and sexuality
Lymphocytes
White blood cells that travel in the blood stream and defend the body from abnormal cells, disease-causing bacteria and viruses
Drive-Reduction Theory
Idea that a physiological need creates an aroused tension state (a drive) that motivates an organism to satisfy the need
Need (For water) → Drive (thirst) → Drive-reducing behavior (drinking)
Arousal Theory
The physical environment can affect arousal levels through stimulation and stress created when psychological/physical needs are not met
Optimum Level of Arousal - when arousal levels get to a certain point, we function really well, but above/below that point, we do not
Optimum Arousal Theory - we all want to be at the optimal level of arousal, so we are motivated to change our behavior in order to achieve it
Scared during a movie → over the level → hide our eyes
Instinct Theory
State people perform certain behaviors due to instincts developed through generations of evolution
Evolutionary Theory
Evolution is the process in which significant changes in the inheritable traits of a species occur over time
General Adaptation Syndrome (GAS)
Selye’s concept of body’s adaptive response to stress in three phases - alarm, resistance, exhaustion
Can’t stay in alarm phase forever
Circadian Rhythm
Biological clock; regular bodily rhythms (e.g., of temperature and wakefulness) that occur on a 24-hour cycle
Hypnosis and Brain Waves
A social interaction in which a subject responds to another person’s suggestions that certain perceptions, feelings, thoughts, or behaviors will spontaneously occur
Manifest Contest of Dreams
All the parts of the dream that we remember (the actual content) such as the actual story lines of the dreams
Latent Content of Dreams
The underlying, more hidden, but true meaning of a dream
Stanford Hypnotic Susceptibility Scale
Standardized 12-item scale used to measure hypnotic susceptibility by means of the participant’s responses to various suggest actions (e.g., fall forward, close the eyes, or lower an outstretched arm)
Ernest R. Hilgard
Paradoxical Sleep (REM Sleep)
Rapid eye movement sleep; recurring sleep state during which vivid dreams commonly occur
Social Influence Theory
Individual’s thoughts, feelings, and behaviors are influenced by others
Post Hypnotic Suggestion
Suggestion made to a person during hypnosis that they act out after the hypnotic trance
Age Regression
Acting younger than you are, whether that is only a few years younger than your current age or returning to a child-like state
Can help handle stress and deal with the pressures of everyday life
Alpha Waves
Slow brain waves of a relaxed, awake state (e.g., watching TV or listening to music)
8 - 12 cycles per second
Beta Waves
“Fast” waves that most of us use during waking hours
It can be seen when we are completing tasks such as solving math problems, puzzles, or reading a book
Left side of the brain produces more
13 - 30 cycles per second
Narcolepsy
Sleep disorder characterized by uncontrollable sleep attacks
May lapse directly into REM sleep, often at unfortunate times
Sleep Apnea
Sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings
Hypnogogic Sensation
The drowsy state that occurs in the transition from wakefulness to sleep
The experience of the transitional state from wakefulness to sleep
Sensations include: strange noises, lights, hallucinations, sleep paralysis, and lucid dreaming
Night Terrors
Sleep disturbances in which a child may suddenly bolt upright in bed, cry, scream, moan, mumble, and thrash about with her eyes wide open, but without being truly awake. They are unaware of your presence and isn’t likely to respond to anything you say or do.
Insomnia
Recurring problems in falling or staying sleep
Aphasia
Acquired language impairment that results from brain damage; causes problems with speaking, listening, reading, and writingg
Dissociation
A split in the mind in which there can be two independent streams of consciousness occurring at the same time, allowing some thoughts and behaviors to occur simultaneously with others
Parallel Processing
Capacity for the human brain to carry on different cognitive functions at the same time
Acetylcholine
Plays an important role in memory formation and learning
NREM1
First stage of sleep (lasts only a few minutes); experience N1 as you are just drifting off to sleep
Experience random twitches (hypnic jerks)
NREM2
Second state of sleep; total loss of consciousness; cease to be aware of any of your surroundings as you fall into a deep, restorative sleep
Sleep spindles may be present (rapid up and down waves)
NREM3
Deepest sleep; difficult to wake someone in N3 (delta waves); parasomnias (sleepwalking and night terrors) typically occur in this stage
Likely to experience another period of N2 before moving on to REM
REM
Dream phase; rapid eye movement sleep; GABA has been released that disables the motor neurons causing sleep paralysis
Sleep Deprivation
Condition of getting insufficient sleep; occur as a result of illness, shift work, or lifestyle considerations (newborn, staying up to study)
REM Rebound
Lengthening and increasing frequency and depth of REM sleep
Often follows sleep deprivation
Tolerance
Your body is getting used to the drug causing a reduction in its effectiveness
Dopamine
Neurotransmitter that has an important role in motor behavior; a chemical messenger in the brain that helps regulate movement, motivation, reward, and pleasure
Endorphins
“Happiness hormones" / peptides that block the perception of pain and increase feelings of wellbeing / related to pleasurable emotional responses / stored in the pituitary gland
Epinephrine
Adrenaline; relaxes smooth muscle; produced by adrenal glands; plays a part in the sympathetic nervous system; involved in breathing, muscle contractions, and fight or flight
Carcinogenic
Any substance or factor that can cause or help develop cancer
Damage healthy processes which lead to a number of DNA mutations in cells
Alcohol, tobacco, radiation, etc.
Psychological Dependence
When person believes that they need the drug to feel good
Physical Dependence
When a person has a chemical need for the drug
State of an individual who has repeatedly taken a drug and experiences unpleasant physiological symptoms
Type B
Laid back; enjoy their achievements; can disappointed when they fall short of their goals but are accepting of it; enjoy games and competitions for the love of the game; tend to achieve/aspire less; less reliable