Psych Midterm

Front 1

NERVOUS SYSTEM

Back 1

A network of cells that carries information to and from all parts of the body.

Front 2

NEUROSCIENCE

Back 2

A branch of the life sciences that deals with the structure and functions of neurons, nerves and nervous tissue.

Front 3

NEURON

Back 3

The basic cell that makes up the nervous system and that receives and sends messages within that system.

Front 4

RESTING POTENTIAL

Back 4

The state of the neuron when not firing a neural impulse.

Front 5

ACTION POTENTIAL

Back 5

The release of the neural impulse consisting of a reversal of the electrical charge within the axon.

Front 6

HORMONES

Back 6

Chemicals released into the bloodstream by endocrine glands.

Front 7

OVARIES

Back 7

Female gonads.

Front 8

TESTES

Back 8

Male gonads.

Front 9

HABITUATION

Back 9

The way the brain deals with unchanging information in the environment.

Front 10

LIGHT ADAPTATION

Back 10

The recovery of the eye's sensitivity to visual stimuli in light after exposure to darkness.

Front 11

DOUBLE BLIND STUDY

Back 11

Study in which neither the experimenter or subjects know if the subjects are in the experimental or control group.

Front 12

SINGLE BLIND STUDY

Back 12

Study in which the subjects do not know if they are in the experimental or control group.

Front 13

PLACEBO EFFECT

Back 13

Phenomenon in which the expectations of the participants in a study can influence their behavior.

Front 14

CRITICAL THINKING

Back 14

Making reasoned judgements about claims

Front 15

HERTZ

Back 15

Cycles of waves per second, a measurement of frequency.

Front 16

PINNA

Back 16

The visable part of the ear.

Front 17

AUDITORY CANNAL

Back 17

The short tunnel that runs from the pinna to the eardrum.

Front 18

PITCH

Back 18

How high or low a sound is.

Front 19

GUSTATION

Back 19

The sense of taste.

Front 20

OLFACTION

Back 20

Ability to smell.

Front 21

SKIN SENSES

Back 21

Sensations of touch, temperature, pressure and pain.

Front 22

PROXIMITY

Back 22

Tendency to perceive objects that are close to each other as being part of the same grouping.

Front 23

SIMILARITY

Back 23

Tendency to perceive things that look similar as being part of the same group.

Front 24

PERCEPTION

Back 24

The method by which sensations experienced are interpreted in some meaningful fashion.

Front 25

CLOSURE

Back 25

The tendency to complete figures that are incomplete.

Front 26

DEPTH PERCEPTION

Back 26

The ability to perceive the world in 3 dimensions.

Front 27

CLASSICAL CONDITIONING

Back 27

Learning to make an involuntary response to a stimulus other than the original, natural stimulus that normally produces the reflex.

Front 28

POPULATION

Back 28

The entire group of people or animals in which the researcher is interested.

Front 29

CORRELATION

Back 29

A measure of the relationship between two or more variables.

Front 30

INDEPENDENT VARIABLE

Back 30

Variable in an experiment that is manipulated by the experimenter.

Front 31

DEPENDENT VARIABLE

Back 31

Variable in an experiment that represents the measurable response or behavior of the subjects in the experiment.

Front 32

TRICHROMACTIC THEORY

Back 32

Theory of color vision that proposes three types of cones: red, blue, and green.

Front 33

AFTER IMAGE

Back 33

Images that occur when a visual sensation persists for a brief time even after the original stimulus is removed.

Front 34

WAKING CONSCIOUSNESS

Back 34

State in which thoughts, feelings and sensations are clear, organized and the person feels alert.

Front 35

ALTERED STATE OF CONSCIOUSNESS

Back 35

State in which there is a shift in the quality or pattern of mental activity as compared to waking consciousness.

Front 36

SLEEP DEPRIVATION

Back 36

Any significant loss of sleep, resulting in loss of concentration and irritability.

Front 37

DELTA WAVES

Back 37

Long, slow waves that indicate the deepest stage of sleep.

Front 38

NIGHTMARES

Back 38

Bad dreams occurring during REM sleep.

Front 39

SLEEPWALKING/SOMNABULISM

Back 39

Occurring during sleep, an episode of moving around or walking around in one's sleep.

Front 40

INSOMNIA

Back 40

The inability to get to sleep/stay asleep/ get good quality sleep.

Front 41

NARCOLEPSY

Back 41

Sleep disorder in which a person falls into REM sleep without warning.

Front 42

HYPNOSIS

Back 42

A state of consciousness in which a person is especially susceptible to suggestion.

Front 43

PSYCHOACTIVE DRUGS

Back 43

Drugs that alter thinking, perception, and memory.

Front 44

WITHDRAWAL

Back 44

Physical symptoms that can include nausea, pain, tremors, crankiness, resulting from a lack of an addictive drug in the body.

Front 45

PHYSICAL DEPENDENCE

Back 45

Condition occurring when a person's body becomes unable to function normally without a particular drug.

Front 46

STIMULANTS

Back 46

Drugs that increase the functioning of the nervous system.

Front 47

DEPRESSANTS

Back 47

Drugs that decrease the functioning of the nervous system.

Front 48

HALLUCINOGENICS

Back 48

Drugs including marijuana that produce hallucinations or increased feelings of relaxation or intoxication.

Front 49

COCAINE

Back 49

A natural drug derived from the leaves of a coca plant.

Front 50

CAFFEINE

Back 50

A mild stimulant found in coffee, tea and several other plant based substances.

Front 51

REFLEX

Back 51

An involuntary response that is not under personal control or choice.