| Term | Definition |
|
ablation |
removal or destruction of brain tissue in a surgical procedure |
|
absolute threshold |
intensity level at which one can detect a stimulus 50% of the time |
|
accommodation |
the process of modifying a schema to account for new information; the process of the eyes lens changing shape in order to focus on distant or near objects |
|
acetylcholine (ACh) |
a neurotransmitter involved in learning, memory and muscle movement |
|
need for achievement |
desire for accomplishment, mastery of people, ideas, things, desire for reaching a high standard |
|
achievement test |
a test that assesses what one has learned |
|
acquisition |
a process in classical conditioning by which the association of a neutral stimulus with a natural stimulus is first established |
|
action potential |
the electrical process by which information is transmitted the length of an axon |
|
activation synthesis |
the idea that dreams are the result of the cerebral cortex interpreting and organizing random flashes of brain activity, originating in the lower brain structures, especially the pons |
|
adrenal gland |
source of the hormone norepinephrine which affects arousal |
|
affective disorders |
psychological disturbances of mood |
|
need for affiliation |
desire to associate with others, to be part of a group, to form close and intimate relationships |
|
after image |
an image that remains after a stimulus is removed, especially one in which the colors are reversed |
|
agonists |
drugs which mimic the activity of neurotransmitters |
|
alcohol |
the most frequently used and abused CNS depressant in most cultures; its use affects mood, judgment, cognition |
|
all-or-nothing |
description of the action of neurons when firing |
|
alpha waves |
seen when an individual is in a relaxed, unfocused, yet still awake state |
|
amygdala |
limbic system component associated with emotion, particularly fear and anger |
|
anal stage |
Freud's pychosexual period during which a child learns to control his bodily excretions |
|
anorexia (nervosa) |
an eating disorder in which one starves oneself even though significantly underweight |
|
antagonist |
drug which blocks the activity of neurotransmitters |
|
anterograde amnesia |
loss of memory for events that occur after the onset of the amnesia; eg, see in a boxer who suffers a severe blow to the head and loses memory for events after the blow |
|
retrograde amnesia |
loss of memory for events that occurred before the onset of amnesia; eg a soldier's forgetting events immediately before a shell burst nearby, injuring him |
|
antisocial personality disorder |
psychological disorder in which one demonstrates a lack of conscience |
|
anvil |
the middle of the three ossicles |
|
aphasia |
impairment of language usually caused by damage to the left hemisphere |
|
arousal |
condition in which the sympathetic nervous system is in control |
|
artificial intelligence |
a subdiscipline of computer science that attempts to simulate human thinking |
|
assimilation |
interpreting new experiences in terms of existing schema |
|
association areas |
areas of the cerebral cortex which have no specific motor or sensory repsonsibilities, but rather are involved in thinking, memory and judgment |
|
associative learning |
learning in which an organism learns that certain events occur together, such as my cat knowing that she will be fed when I get home from work |
|
attachment |
theory developed by Harlow; types include secure and insecure |
|
attitude |
a relatively enduring evaluation of a person or thing; Asch demonstrated that this doesn't always match one's behavior |
|
attraction |
feeling of being drawn toward another and desiring the company of a person |
|
attribution theory |
a way of explaining others' behavior by either one's disposition or one's situation |
|
auditory canal |
the area that sound waves pass through to reach the eardrum |
|
authoritarian |
style of parenting in which the parent creates strict rules for the child and the child has little or no input into determining the rules |
|
autonomic nervous system |
division of the nervous system that control the glands and organs; its divisions arouse or calm |
|
autonomy vs. shame and doubt |
Erikson's stage in which a toddler learns to exercise will and to do things independently; failure to do so causes shame and doubt |
|
availability heuristic |
this cognitive shortcut features the idea that events which are vividly in memory seem to be more common |
|
axon |
extension of the neuron which carries, via an action potential, information that will be sent on to other neurons, muscles or glands |
|
babbling |
stage of language development at about 4 months when an infant spontaneously utters nonsense sounds |
|
basic research |
scientific investigations intended to expand the knowledge base |
|
applied research |
scientific investigations intended to solve practical problems |
|
behavioral |
perspective on psychology that sees psychology as an objective science without reference to mental states |
|
belief perseverance |
situation in which one's beliefs continue despite the fact that the ground for the beliefs have been discredited |
|
big 5 personality factors |
openness to new experience, conscientiousness, extraversion, agreeableness, neuroticism |
|
binocular cues |
retinal disparity and convergence which enable people to determine depth using both eyes |
|
biological |
perspective that stresses links between biology and behavior |
|
bipolar cells |
eye neurons that receive information from the retinal cells and distribute information to the ganglion cells |
|
bipolar disorder |
mood disorder in one experiences both manic and depressed episodes |
|
blind spot |
point in the retinal where the optic nerve leaves the retina so there are no rods or cones there |
|
bottom-up processing |
analysis that begins with sensory receptors and works its way up to the brain's integration of sensory information |
|
hemispheres |
we have two, right and left, and some brain functions seem to centered in one or the other |
|
brainstem |
oldest part of the brain, beginning where the spinal cord swells upon entering the skull; controls fundamental survival processes like heartrate and breathing |
|
bulimia |
eating disorder characterized by excessive eating followed by purging |
|
bystander effect |
the tendency to not offer help when needed if others are present who do not offer help |
|
Cannon-Baird |
theory of emotion that says that a stimulus causes simultaneously psyiological arousal and the subjective experience of an emotion |
|
case study |
scientific investigation in which a single subject is studied in great detail |
|
CAT scan |
a method of creating static images of the brain through computerized axial tomography |
|
catatonic |
a form of schizophrenia in which the patient has muscle immobility and does not move |
|
catharsis |
release of aggressive energy through activity or fantasy |
|
Central Nervous System |
consists of the brain and the spinal cord |
|
cerebellum |
brain structure that controls well-learned motor activities like riding a bike |
|
cerebral cortex |
the fabric of interconnecting cells that blankets the brain hemispheres; the brain's center for information processing and control |
|
chaining |
using operant conditioning to teach a complex response by linking together less complex skills |
|
chunking |
organizing units of information into manageable units such as memorizing a phone number as three groups of information 248-555-1212 |
|
circadian rhythm |
the daily biological rhythms that occur in a 24-hour period |
|
classical conditioning |
method of learning in which a neutral stimulus can be used to elicit a response that is usually a natural response to a stimulus |
|
client-centered therapy |
developed by Carl Rogers, this humanistic therapy includes unconditional positive regard |
|
clinical |
this type of psychologist studies, assesses and treats those with psychological disorders |
|
cochlea |
this coiled structure in the inner ear is fluid-filled and in it the energy from sound waves stimulate hair cells |
|
cognitive dissonance theory |
this says that we will suffer discomfort and act to change the situation when our thoughts and actions seem to be inconsistent |
|
cognitive |
perspective on psychology that stresses the importance of mental activities associated with thinking, remembering, etc |
|
cognitive therapy |
treatment for psychological disorders that centers on changing self-defeating thinking |
|
collective unconscious |
Jung's theory that we all share an inherited memory that contains our culture's most basic elements |
|
color blindness |
a variety of disorders marked by inability to distinguish some or all colors |
|
collectivist |
this adjective describes cultures in which the individual is less important than the group |
|
concrete operations |
Piaget's stage in which children learn such concepts as conservation and mathematical transformations; about 7 - 11 years of age |
|
concurrent validity |
the extent to which two measures of the same trait or ability agree |
|
conditioned response |
in classical conditioning, the response elicited by the conditioned stimulus |
|
conditioning |
generally, learning in which certain experiences make certain behaviors more or less likely; there are two forms of this |
|
conduction |
one type of hearing impairment caused by mechanical problems in the ear structures |
|
cones |
neurons in the retina that are responsible for color vision |
|
confirmation bias |
a tendency to search for information that supports one's preconceptions |
|
conformity |
adjusting behavior to meet a group's standard |
|
confounding variable |
extraneous factor that interferes with the action of the independent variable on the dependent variable |
|
consciousness |
one's awareness of one's environment and oneself. |
|
consummate love |
includes passion, intimacy and committment |
|
control group |
subjects in an experiment who do not receive application of the independent variable but are measured nonetheless for the dependent variable |
|
convergent thinking |
a type of critical thinking in which one evaluates existing possible solutions to a problem to choose the best one |
|
cornea |
the transparent outer covering of the eye |
|
corpus callosum |
the fibers that connect the right and left hemispheres, enabling them to communicate |
|
correlation |
the degree of relationship between two variables |
|
correlation coefficient |
a positive one near 1.0 indicates two variable are positively related; a negative number indicates a negative relationship; zero indicates no relationship |
|
cross-sectional |
type of study that measures a variable across several age groups at the same time |
|
debriefing |
giving participants in a research study a complete explanation of the study after the study is completed |
|
defense mechanisms |
Freud's processes by which individuals express uncomfortable emotions in disguised ways |
|
deindividuation |
when an individual seems to lose himself or herself in the group's identity |
|
deinstitutionalization |
moving people with psychological or developmental disabilities from highly structured institutions to home- or community-based settings |
|
delta waves |
largest brain waves, associated with deep, dreamless sleep |
|
delusion |
irrational, highly improbable belief |
|
dendrite |
a branch off the cell body of a neuron that receives new information from other neurons |
|
denial |
a defense mechanism in which unpleasant thought or desires are ignored or excluded from consciousness |
|
dependent variable |
the variable that the experimenter measures at the end of the experiment |
|
depressant |
any agent that reduces the activity of the CNS |
|
depth perception |
an ability that we exercise by using both monocular and binocular cues |
|
difference threshold |
also called the jnd; smallest distinction between two stimuli that can consistently be detected |
|
diffusion of responsibility |
reduction in sense of responsibility often felt by individuals in a group; may be responsible for the bystander effect |
|
discrimination |
treating members of different races, religions, ethnic groups differently; usually associated with prejudice |
|
displacement |
defense mechanism in which unwanted feelings are directed towards a different object |
|
dispositional attribution |
assuming that another's behavior is due to personality factors, not situational ones |
|
dissociative identity disorder |
also called multiple personality disorder |
|
dissociative fugue |
disorder in which one travels away from home and is unable to remember details of his past, including often his identity |
|
divergent thinking |
a type of creative thinking in which one generates new solutions to problems |
|
dopamine |
a neurotransmitter that is associated with Parkinson's disease (too little of it) and schizophrenia (too much of it) |
|
double blind |
this term describes an experiment in which neither the subjects nor the experimenter knows whether a subject is a member of the experimental group or the control group |
|
dreams |
occur most often during REM sleep; may be caused by activation-synthesis, or may be a way of cementing memories |
|
drive reduction |
theory that claims that behavior is driven by a desire to lessen drives resulting from needs that disrupt homeostasis |
|
DSM |
initials of the American Psychiatric Association's book that lists diagnostic criteria for many psychological disorders |
|
dyslexia |
a learning disability that results in difficulty reading and writing |
|
eardrum |
also called the tympanic membrane |
|
echoic |
term that describes memory of sounds |
|
EEG |
initials of a method of representation of brain waves |
|
ego |
the Latin for "I"; in Freud's theories, the mediator between the demands of the id and the superego |
|
egocentrism |
in a toddler, the belief that others perceive the world in the same way that he or she does |
|
Electra complex |
counterpart to the Oedipus complex for females |
|
electroconvulsive therapy |
a treatment in which low level electric current is passed through the brain |
|
embryo |
early stage of human development, when cells have begun to differentiate |
|
emotion theories |
James-Lange, Cannon-Baird and Singer-Schachter are three |
|
encoding |
conversion of sensory information into a form that can be retained as a memory |
|
endocrine system |
the slow messenger system of the body; produces hormones that affect many bodily functions |
|
endorphins |
neurotransmitters that give one a feeling of well-being, euphoria or eliminate pain |
|
episodic |
describes a type of memory that includes specific events that one has personally experienced |
|
evolutionary |
perspective that stresses the value of behavior in Darwinian terms |
|
experiment |
form of scientific investigation in which one variable is tested to determine its effect on another |
|
experimental group |
subjects in an experiment to whom the independent variable is administered |
|
explicit |
term that describes memories that can be consciously recalled |
|
external locus of control |
this term describes what you have if your behaviors are driven mainly by outside forces |
|
extinction |
in classical conditioning, the process of eliminating the previously acquired association of the conditioned stimulus and conditioned response |
|
extraversion |
one of the Big 5, a personality trait orients one's interests toward the outside world and other people, rather than inward |
|
extrinsic |
term that describes motivations that drive behavior in order to gain rewards from outside forces |
|
false consensus |
a belief that others share the same opinion about something, when actually most don't |
|
feature detection |
the ability of the brain to identify specific components of visual stimuli such as corners or edges |
|
fetal alcohol syndrome |
sometimes the result in a child of the mother's excessive drinking while pregnant, characterized by low birth weight, facial abnormalities, mental retardation |
|
fetus |
a stage in human development extending from about ten weeks after conception to birth |
|
figure-ground |
refers to our ability to distinguish foreground from background in visual images |
|
fixed interval |
describes the schedule of reinforcement wherein a worker receives a paycheck every Friday |
|
fixed ratio |
describes a schedule of reinforcement wherein a worker is paid for a certain sum for each product produced |
|
flashbulb |
term describes a vivid memory of a personally significant and emotionalevent |
|
fluid |
term describes a type of intelligence used to cope with novel situations and problems |
|
crystallized |
term describes a type of intelligence which applies cultural knowledge to solving problems |
|
foot-in-the-door |
term describes a phenomenon in which people who agree to a small request are more likely to later agree to a larger request |
|
formal operations |
One of Piaget's stages; includes the ability to use abstract thinking |
|
fovea |
the central focus area of the retina |
|
frequency |
theory of hearing which states that the rate of nerve impulses traveling up the auditory nerve matches the tone's frequency |
|
functional fixedness |
the tendency to think about things only in terms of their usual uses; can be a hindrance to creative thinking |
|
functionalism |
William James's school of thought that stressed the adaptive and survival value of behaviors |
|
fundamental attribution error |
tendency to attribute others' behavior to their dispositions and our own behaviors to our situations |
|
ganglion cells |
their axons form the optic nerve |
|
general adaptation syndrome |
Seyle's concept that the body responds to stress with alarm, resistance and exhaustion |
|
generativity vs. stagnation |
Erikson's stage of social development in which middle-aged people begin to devote themselves more to fulfilling one's potential and doing public service |
|
gene |
made of DNA, it is the basic building block of heredity |
|
genital stage |
Freud's stage of psychosexual development when adult sexuality is prominent |
|
gestalt |
German word for "whole", it refers to our tendency to perceive incomplete figures as complete |
|
glial cell |
this acts as a support system for neurons |
|
grammar |
a system of rules in a language |
|
social norm |
a group's determination of socially acceptable behavior |
|
group polarization |
tendency of group members to move to an extreme position after discussing an issue as a group |
|
groupthink |
tendency for group members to think alike with certainty of correctness, biased perceptions of outgroup members, and generally defective decision-making processes |
|
hallucination |
a false sensory perception that seems to be real but for which there is not an actual external stimulus |
|
hallucinogen |
a substance capable of producing a sensory effect in the absence of real external sensory stimuli |
|
heritability |
the extent to which differences in a group of a characteristic is due to genetics, not environment |
|
heuristic |
a useful, but unprovable, cognitive shortcut, such as a "rule of thumb" |
|
hierarchy of needs |
Maslow's theory of the most important motivations people have |
|
hindsight bias |
the tendency, after an event occurs, to overestimate the likelihood that an event could have been predicted |
|
hippocampus |
limbic system component associated with memory |
|
homeostasis |
the steady, stable state that is the body's regulatory processes try to maintain |
|
hormone |
chemical substance secreted by endocrine glands that affect body processes |
|
humanist |
perspective in psychology that stresses the goodness of people and their possibility of reaching their fullest potential |
|
hunger |
it is regulated by the lateral hypothalamus and the ventromedial hypothalamus |
|
hypnosis |
a social interaction in which one person suggests to another that certain events or emotions will occur |
|
hypochondriasis |
a disorder characterized by an unreasonable fear that one has a serious disease |
|
hypothalamus |
limbic system component that regulates hunger, body temperature and other functions |
|
hypothesis |
a prediction of how the an experiment will turn out |
|
iconic |
term that describes the memory of images |
|
id |
in Freud's conception, the repository of the basic urges toward sex and agression |
|
identity vs. role confusion |
Erikson's stage during which teenagers and young adults search for and become their true selves |
|
imprinting |
evidence of critical period in some animals; they follow the first moving thing they see after hatching |
|
in-group bias |
tendency to favor one's own group over other groups |
|
incentive |
an external stimulus that tends to encourage behavior |
|
independent |
type of variable manipulated by the experimenter |
|
individualist |
culture in which the individual is valued more highly than the group |
|
industry vs. inferiority |
Erikson's stage between 6 and 11 years, when the child learns to be productive |
|
inferiority complex |
Adler's conception of a basic feeling of inadequacy stemming from childhood experiences |
|
information processing |
humans accomplish this either in parallel (unconsciously) or in serial fashion (consciously) |
|
informed consent |
agreement to participate in psychology research, after being appraised of the dangers and benefits of the research |
|
initiative vs guilt |
Erikson's third stage in which the child finds independence in planning, playing and other activities |
|
insanity |
a legal term describing one's inability to be responsible for one's action due to the condition of the mind |
|
insight |
in psychoanalysis, the basic understanding one develops of the underlying sources of emotion or behavioral difficulty |
|
insomnia |
inability to fall asleep or remain asleep long enough for sufficient rest |
|
instinct |
a complex pattern of behavior that is fixed across a species |
|
integrity vs despair |
Erikson's final stage in which those near the end of life look back and evaluate their lives |
|
Intelligence |
the ability to learn from experience, to use information, to understand things |
|
IQ |
the average is 100; there are many definitions of this attribute, including multiple and crystallized |
|
internal locus of control |
people with this tned to respond to internal states and desires; they tend to see their successes as the result of their own efforts |
|
interneurons |
cells in the spinal cord through which reflexes travel without going to the brain |
|
interposition |
monocular visual cue in which two objects are in the same line of vision and one patially conceals the other, indicating that the first object concealed is further away |
|
intimacy vs isolation |
Erikson's stage in which individuals form deeply personal relationships, marry, begin families |
|
intrinsic |
term that describes motivations that derive from one's interest in the object of the motivation, rather than from rewards that one might gain |
|
introversion |
a personality trait that signifies that one finds energy from internal sources rather than external ones |
|
James-Lange |
theory of emotion in which physiological arousal precedes the emotion |
|
just world |
phenomenon that describes the belief that what happens to people is what they deserve |
|
just noticeable difference |
the threshold at which one can distinguish two stimuli that are of different intensities, but otherwise identical |
|
kinethesis |
sense of balance and of one's physical position |
|
latent |
Freud's stage of psychosexual development occuring from about age 6 to puberty during which little happens in psychosexual terms |
|
latent content |
the hidden or disguised meaning of dreams |
|
latent learning |
a change in behavior due to experience acquired without conscious effort, s, for example, a student using a quote in an exam essay that the student had never tried to memorize, though eh had encountered it in studying |
|
law of effect |
Thorndike's rule that behaviors which have positive outcomes tend to be repeated |
|
learned helplessness |
lack of motivation to avoid unpleasant stimuli after one has failed before to escape similar stimuli |
|
lens |
a curved, transparent element of the vision system that provides focus |
|
lesion |
any destruction or damage to brain tissue |
|
lithium |
in psychopharmacology, this is used to control bipolar symptoms |
|
longitudinal |
describes research that measures a trait in a particular group of subjects over a long period of time |
|
long term |
refers to memory that is stored effectively in the brain and may be accessed over an extended period of time |
|
long term potentiation |
a possible source of the formation of memories; improvement in a neuron's ability to transmit caused by repeated stimulations |
|
lucid |
describes a dream in which the dreamer is aware that he or she is dreaming and is able to influence the progress of the dream narrative |
|
eidetic |
describes a type of visual memory that is retained for a long time; photographic |
|
mania |
high state of arousal, often accompanied by poor judgment |
|
manifest |
describes, in Freudian terms, the surface content of a dream |
|
marijuana |
a drug, often smoked, whose effects include euphoria, impairment of judgment and concentration and occasionally hallucinations; rarely reported as addictive |
|
mean |
numerical average of a set of numbers |
|
median |
the middle one of a set of numbers |
|
medulla |
part of the brain nearest the spinal cord which controls breathing, heart rate and blood pressure |
|
memory |
functions associated with this include encoding, storage and retrieval |
|
mental age |
developed by Binet; equal to one's chronological age times the percentage score on an IQ test |
|
mere exposure effect |
this phenomenon causes one to prefer a stimulus as a consequence of repeated exposures to that stimulus, particularly is there is no adverse result of the exposure |
|
metacognition |
thinking about thinking |
|
MMPI |
the initials of a long, detailed personality inventory |
|
mnemonic device |
method of improving memory by associating new information with previously learned information |
|
mode |
the most commonly occurring term in a batch of data |
|
modeling |
the process of observing and imitating a behavior |
|
monocular |
terms that means "one eyed", used to indicate the sort of of enviromental cues to depth perception tha tonly require one eye, for example, interposition |
|
morpheme |
in language, the smallest unit that carries meaning |
|
motion parallax |
a depth cue in which the relative movement of elements in a scene gives depth information when the observer moves relative to the scene |
|
motivation |
a need or desire that energizes and directs behavior |
|
motor cortex |
an area of the brain, near the rear of the frontal lobes, that controls voluntary movement |
|
motor neuron |
this carries information from the brain to the muscles; also called "efferent" |
|
MRI |
a technique that enables us to see static images of the brain's structures; uses magnetism to achieve this effect |
|
dissociative identity disorder |
also called multiple personality disorder |
|
myelin sheath |
a layer of fatty tissue encasing a neuron's axon that speeds transmission |
|
narcolepsy |
a disorder characterized by sudden sleep attacks, often at inopportune times |
|
naturalistic |
term refers to observations made of individual's behavior in an everyday life setting |
|
nature vs nurture |
name for a controversy in which it is debated whether genetics or environment is responsible for driving behavior |
|
negative reinforcement |
in operant conditioning, removing something unpleasant in order to elicit more of a particular behavior |
|
neural network |
refers to interconnected neuron cells |
|
neuron |
the fundamental building block of the nervous system |
|
neuroscience |
perspective on psychology that emphasizes the study of the brain and its effects on behavior |
|
neurotransmitter |
a chemical that is released by a neuron for the purpose of carrying information across the gaps (synapses) between neurons |
|
neutral |
describes a stimulus in classical conditioning that would normally not elicit the response intended, such as the tone in Pavlov's experiments before it was associated with the food |
|
night terrors |
also called sleep terror disorder, these include the characteristic of waking abruptly in a state of panic, usually in children, less often in adults |
|
normal distribution |
describes a symmetrical, bell shaped curve that shows the distribution of many physical and psychological attributes |
|
norm |
an understood rule for social behavior |
|
NREM |
refers to sleep during which there is no rapid eye movement |
|
obesity |
condition of having excess body fat resulting in being greatly overweight |
|
object permanence |
recognition that things continue to exist even though hidden from sight; infants generally gain this after 3 to 7 months of age |
|
observational learning |
change in behavior due to watching other people behave |
|
obsessive-compulsive disorder |
an anxiety disorder characterized by repetitive obsessions and compulsions |
|
occipital |
this lobe contains the primary vision processing function |
|
Oedipus complex |
in Freud's theory, the conflict which results in a boy gaining a superego and beginning to emulate his father |
|
olfactory bulb |
the first brain structure to pick up smell information from the nose |
|
omission training |
a procedure in which reinforcement occurs when a specific behavior does not occur in a fixed period of time |
|
operant conditioning |
a method of influencing behavior by rewarding desired behaviors and punishing undesired ones |
|
operational definition |
a description of an experimental variable in such a way that the variable can be measured and the procedure can be replicated |
|
optic chiasm |
the point in the brain where the visual field information from each eye "crosses over" to the appropriate side of the brain for processing |
|
optic nerve |
the axons of the ganglion cells form this |
|
oral stage |
Freud's first stage of psychosexual development during which pleasure is centered in the mouth |
|
opponent process theory |
term used in both vision theory and emotion theory |
|
outgroup |
generally, any group that one does not belong to |
|
oval window |
membrane at the enterance to the cochlea through which the ossicles transmit vibrations |
|
panic disorder |
characterized by recurrent, unexpected panic attacks |
|
paranoid |
a type of schizophrenia characterized by prominent delusions that are persecutory or grandiose |
|
parasympathetic |
the branch of the nervous system that automatically calms us down when the reason for arousal has passed |
|
parietal |
lobe that contains the sensory cortex |
|
Parkinson's disease |
this ailment, whose symptoms includes tremors and later difficulty walking, is caused by inability to produce dopamine |
|
perception |
the process of organizing and interpreting sensory information |
|
peripheral nervous system |
the subsystem of the nervous system that does not include the CNS |
|
permissive |
describes a parenting style that is characterized by the parent making few demands on the child |
|
person-centered |
therapy developed by Rogers featuring the patient's self-discovery and actualization; also called client-centered |
|
personality |
a consistent pattern of thinking, acting, feeling |
|
PET scan |
method of brain imaging using positron emissions |
|
phallic |
name for Freud's stage which features the Oedipus stage |
|
phobia |
fear |
|
phoneme |
in language, smallest distinctive sound unit |
|
pituitary |
gland that is the master gland of the endocrine system |
|
place theory |
the idea that different sound frequencies stimulate different locations on the basilar membrae |
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placebo |
an inert substance given to the control group in an experiment |
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placebo effect |
phenomenon that some people get better even though they receive not medication but an inert substance which should have no medical effect |
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plasticity |
the ability of the brain to adapt to damage by reorganizing functions |
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pons |
part of the brain, works with the cerebellum in coordinating voluntary movement; neural stimulation studied in activation synthesis theory may originate here |
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population |
all of the individuals from which subjects for an experiment may be drawn |
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positive psychology |
field of study which concentrates on good psychological traits such as contentment and joy; it also studies character traits such as wisdom, integrity and altruism |
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PTSD |
initials representing a disorder in which one relives painfully stressful events |
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preconscious |
in Freud's theory, the level of consciousness in which thoughts and feelings are not conscious but are readily retrieveable to consciousness |
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preconventional |
Kohlberg's stage of moral development in which rewards and punishments dominate moral thinking |
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prejudice |
a negative attitude formed toward an individual or group without sufficient experience with the person or group |
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preoperational |
Piaget's second stage of cognitive development, when egocentrism declines |
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proactive interference |
when prior learning disrupts the recall of new information |
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projection |
defense mechanism in which one disguises one's won unacceptable impulses by attributing them to others |
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projective |
term describes a personality test in which ambiguous stimuli trigger revelation of inner feelings, thoughts |
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psychiatrist |
medical doctor who has specialized in treating psychological disorders |
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psychoanalysis |
Freud's therapeutic technique |
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psychodynamic |
term describes the perspective on psychology in which inner feeling and unconscious tensions are emphasized |
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psychopharmacology |
the study of the effects of drugs on the mind and behavior |
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punishment |
can be either positive or negative, intended to reduce the occurrence of a behavior |
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random |
term that describes assignment in which all subjects have an equal chance of being assigned to the control group or to the experimental group |
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REBT |
Albert Ellis's form of therapy for psychological disorders |
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rationalization |
"The only reason I flunked the test is because our teacher is no good." |
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reaction formation |
defense mechanism in which unacceptable impulses are transformed into their opposite |
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reciprocal determinism |
Bandura's idea that though our environment affects us, we also affect our environment |
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refractory period |
resting time; occurs in both neuron firing and in human sexual response |
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regression |
defense mechanism in which one retreats to an earlier stage of life |
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rehearsal |
conscious repetition of information in order to fix it in memory, such as practicing a list of terms to memorize |
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