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138 Cards in this Set

  • Front
  • Back

Psychology

the study of behavior and mental processes

Scientific Method

Identify a Problem, Design a Study, Collect and Analyze data, Draw conclusions, Communicate their findings

Theory

General set of principles proposed to explain how a number of a separate facts are related

Replicable

if the experiment can be replicated and get the same results

4 Goals of Psychology

Description, Explanation, Prediction, Influence (Control)

2 Types of Research that you must define before testing

Basic/pure: answers a questions


Applied Research: looking to change or fix a problem

Critical thinking

Independent thinking, suspension of judgement, willing to modify or abandon previous judgements

Experimental method

Research designed to test a hypothesis

Correlation method

Used to determine the relationship between characteristics, behavior, or events

Descriptive Research Methods

Naturalistic/Laboratory Observation


Case Study Method


Survey Research

Naturalistic Observation

Researchers record behavior that they observe in the subjects natural setting without influencing behavior

Laboratory Observation

Study behavior in a lab setting

Case Study Method

One person or a small group is closely studied over a long period over a long period of time

Survey research

Interviews or questions about attidutes, experiences, or behavior

Representative sample

Random, includes all diversities, also called a mini-population

Biased sample

handpicked sample to prove your point or hypothesis

Experimental Method

Research designed to test a hypothesis

Hypothesis

Testable prediction about when a behavior or mental process will occur

Variable

Element, feature, or factor that is liable to vary or change

Independent Variable

The factor that is manipulated; the variable whose effect is being studied

Dependent Variable

the outcome that is measured; the variable that may change when the independent variable is manipulated

Experimental group

in an experiment, the group exposed to the treatment; or to one version of the independent variable

Control group

The group not exposed to the treatments; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment

Confounding variables

Something you didn't take into account when starting experiment

Selection bias

Choose the people instead of random individuals

The placebo effect

the belief that their placebo will work is so strong that they get better

Experimenter bias

The experimenter sees what they want to see because they want it to work



Double blind technique

Neither the researcher nor the clients know which group is receiving the placebo

the correlation method

determines the relationship between characteristics, behavior, or events

Reliable

the extent to which a test yields consistent results, as assessed by the consistency of scores on two halves of the test, on alternative forms of the test, or on retesting

Valid

the extent to which a test measures what it is supposed to measure

Structuralism

early school of thought promoted by Wundt and Titchener; used introspection to reveal the structure of the human mind; pure sensations combine to form perceptions

Functionalism

How humans use mental processes to adapt to their environment; school of thought promoted by James and influenced by Darwin; explored how mental and behavioral processes function- how they enable the organism to adapt, survive, and flourish

Behaviorism

Something in your environment is influencing your behavior; evaluate your actions; immediate environment

Psychoanalysis

Idea that our driving forces are our subconscious sexual and aggressive urges by Freud; mind is like an iceberg

Humanistic psychology

We have free will and the ability to change; we will always try to better ourselves and problems arise when we cannot; i.e. problems= mental illness

Cognitive psychology

The study of mental processes such as attention, language use, memory, perception, problem solving, creativity, and thinking

Gestalt

5 phenomena

Neuron

Specialized cells that conduct impulses through the nervous system

Cell body

Nucleus-containing central part of a neuron excluding axons and dendrites

Axon

long threadlike part of a nerve cell along which impluses are conducted from cell to cell

Myelin sheath

insulating covering on an axon between the the nodes of ranvier

Dendrites

where impulses are received from other cells at synapses are transmitted to the cell body

Synapse

From an axon terminal to synaptic vesicles; into neurotransmitters that cross the synaptic cleft into receptor sites on opposite neuron, take in the best fitting neurotransmitter

Neurotransmitters

Chemicals that transmit messages across synapses; stored in synaptic vesicles in the axon terminal; are replaced by manufacturing, recycling, and reuptake

Nodes of Ranvier

Gap in myelin sheath on an axon

Receptor

Responds specifically to a particular neurotransmitter, hormone, antigen, or other substance

Nervous system

CNS and Peripheral


Peripheral splits into Somatic and Autonomic


Autonomic splits into Sympathetic and Parasympathetic

Central Nervous System

Brain and the Spinal Cord

Peripheral Nervous System

Nervous system outside CNS; consists of somatic and autonomic

Somatic

Part of the peripheral associated with skeletal muscle and voluntary control of body movements

Autonomic

Part of peripheral responsible for unconsciously directed function (breathing, heartbeat, and digestive processes)

Sympathetic

Fight or flight; part of autonomic system that increases heartbeat, dilates pupils; the 'arousing system'

Parasympathetic

Part of autonomic system that slows heartbeat, contracts pupils, the 'calming system'

Spinal Cord

Cylindrical bundle of nerve fibers and associated tissues that is enclosed in the spine and connects are nearly all parts of the body to the brain, forming the CNS

Endocrine system

Ductless glands that produce and secrete hormones

Hormones

Chemicals manufactured in one part of the body that affect another part

Frontal lobe

Motor cortex (special language centers)


Voluntary movement


Thinking


Motivation


Planning for the future


Impulse controls


Emotional Responses

Parietal Lobe

Somatosensory cortex


Touch


Awareness of Limbs

Occipital Lobe

Primary visual cortex

Temporal Lobe

Primary auditory cortex

Genes

Provide all info about cells' purpose; determine the transmission of inherited traits

Dominant Gene

Only need one to be present or to be shown

Recessive Gene

Need both to show through and be present

Polygenic

Traits involving several genes; usually not recessive or dominant

Multifactoral

Polygenic traits influenced by both heredity and environment; ex: height & intelligence

Chromosome

Where genes are located

Encoding

Transforming information so it can be stored

Storage

Putting the information in the memory

Consolidation

the transfer of information from short-term into long-term memory

Retrieval

Act of getting the information out of our memory

The three memory systems

Sensory, Short-term, Long-term

Sensory Memory

Everything we see, hear, feel, sense


Visual lasts a fraction of a second (iconic memory)


Auditory lasts about 2 seconds (echoic memory)

Short-Term Memory

Also called working memory


Can hold about 7 items


Lost in 30 seconds without rehearsal



Long-Term Memory

Where data can be stored for long periods of time, indefinitely


Two Types: Declarative and Non-declarative



Declarative Memory

(Explicit) Refers to memories that can be consciously recalled (facts & verbal knowledge)


Falls into episodic and semantic memory

Episodic Memory

Memory of autobiographical events; contextual who, what, when, where, why knowledge; collection of past experiences from a particular time and place

Semantic Memory

Memory of general world knowledge that has accumulated throughout life

Non-declarative Memory

(Implicit memory) Doesn't require conscious thought; like riding a bike or reading

Displacement

Getting rid of or moving to long term memory

Chunking

Organizing items into familiar, manageable units; often occurs automatically

Rehearsal

Repeating something over and over again

Elaborative rehearsal

Repeating it over and over again and relating it to something in your life

Levels of processing mode

by Craig and Lockhart; describes memory recall of stimuli as a function of the depth of mental processing. Deeper levels on analysis produce more elaborate, longer lasting, and stronger memory traces that shallow levels of analysis;


1. Shallow 2. Intermediate 3. Deep

Three kinds of memory tasks

Recall, Recognition, Relearning

Recall

Recalling without retrieval cues; serial- the 50 state; free- items from a picture

Recognition

A sense of familiarity when encountering people, events, or objects that have been previously encountered

Relearning

Regaining knowledge of material previously learned and forgotten

Serial position effect

Phenomenon in which faster learning and recall of items occur at the beginning and end in comparison to items at the middle of a list

Primacy effect

Remember what was first, now in long term memory

Recency effect

Remember what was last, still in short term memory

State-dependent memory effect

Easier to remember when you are in the same mood or emotional state

Causes of forgetting

Encoding, Decay theory, Interference

Encoding failure

Don't make an effort to remember

Decay theory

Proposes that memory fades due to the passage of time; as time passes memory retrieval and memory strength wear away

Retroactive interference

Most recent occurrence interferes with long term memory

Proactive interference

Tendency of previously learned material to hinder recent learning

Retrograde amnesia

Loss of memory-access to events or information from before the amnesia-causing event

Ways to improve memory (6)

Over learning, massed practice, rhyme, method of loci, first letter technique, peg word

Overlearning

to continue studying or practicing after initial proficiency as to reinforce or ingrain the material or skill

Massed practice

Practice that occurs without rest between trials (cramming)

Rhyme

Creating a rhyme to remember something

Method of loci

Also called the memory palace, assigning things to different objects, and 'walking' through your 'palace' allows you to remember this information

First letter technique

ex: ROY G BIV using first letters to create an acronym

Peg word

Pre-memorizing a list of words that are easy to associate with the numbers they represent (1-1000)

Conscioiusness

Our awareness of ourselves and our environment

Altered states of consciousness

Any mental state causes by meditation, hypnosis, or drugs that deviates from the normal waking state of consciousness

NREM

Non-rapid eye movement sleep; stages 1-4

REM

Period of sleep where dreaming occurs, fifth and last stage in the cycle, rapid periodic eye movement

Subjective night

Period in which an organism is normally inactive and when sleep occurs

First stage of sleep

1. transition period of drowsiness between waking and sleeping

Second stage of sleep

Somewhat more deeply asleep

Stage three of sleep

The beginning of slow wave sleep

Fourth stage of sleep

Delta waves reach nearly 100%

Fifth stage of sleep

REM sleep

Sleep cycles

Each cycle consists of the five stages and takes 90 minutes

Restorative theory

Theory that says we sleep to restore the body's ability to function at the end of the day

Circadian theory

Theory that says sleep evolved to keep humans out of harm's way during the night; or sleep according to a sleep-wake cycle

Freud's theory of dreams

Theory that dreams express unconscious urges and wishes

Manifest content

The elements of the dream that we remember upon waking

Latent content

The underlying, more hidden, but true meaning of a dream

Activation-synthesis hypothesis

A neurobiological theory of dreams that suggests that dreams are caused by the physiological processes of the brain

Parasomnias

Behaviors and states normally occurring while awake happen during sleep

Sleep apnea

Sleep disorder in which you have one or more pauses in breathing or shallow breaths while you sleep

Narcolepsy

Condition charaterized by an extreme tendency to fall asleep whenever in relaxing surroundings

Insomnia

Condition that makes it hard to fall asleep, hard to stay asleep, or both despite the opportunity for adequate sleep

Substance Abuse

Continued use after it has interfered with work, education, or social relationships

Psychoactive drug

A substance that has psychological effects, changes moods, perception or thought

Stimulant

Speed up nervous system ex: caffeine, nicotine, amphetamines, cocaine

Depressant

Slow body functions ex: alcohol, barbiturates, and tranquilizer

Narcotic

Pain relief ex: opium, morphine, codeine, and heroin

Hallucinogen

distort perceptions and evoke sensory images in the absence of sensory input ex: LSD, Ecstasy, and Marijuana

Addiction

Condition that results when a person ingests a substance that can be pleasurable but the continued use/act of which becomes compulsive and interferes with ordinary life responsibilities

Psychological drug depenedence

Form of dependence that involves emotional-motivational withdrawal symptoms after stopping use of drug or certain behaviors

Physical drug depedenced

Form of dependence that negative physical symptoms of withdrawal result from abrupt discontinuation or dosage reduction

Drug tolerance

After repeated use of a drug, the body adapts to the continued presence and is able to withstand the effects off the drug, and more is needed to feel these effects

Hypnosis

Induction of a state of consciousness in which a person apparently loses the power of voluntary action and is highly responsive to suggestion or direction

Meditation

A mental exercise for the purpose of reaching a heightened level of spiritual awareness