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Psychology Exam 1
Exam 1 terms
55
Psychology
Undergraduate 1
01/26/2010

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Term
Psychology
Definition
The scientific study of behavior and mental processes.
Term
Comparative Psychology
Definition
The study of behavior and mental processes of animals other than human beings.
Term
Cognitive Psychology
Definition
The field of psychology that examines attention, consciousness, information processing, and memory.
Term
Developmental Psychology
Definition
Concerned with how people become who they are relating to biological and environmetal factors.
Term
Cross-Cultural Psychology
Definition
The study of culture's role in understanding behavior, thought, and emotion. And whether somes things are universal or culture specific.
Term
Systematic Empiricism
Definition
Watching, observing, creating a plan and procedure for making observations of participants or subjects.
Term
Scientific Theory
Definition
Principle, or body of principles or concepts used to explain a phenomenon. Can be used to make predictions about future experiments.
Term
Physiological Psychology
Definition
The study of the physical processes that behind mental processes like vision and memory.
Term
Behavior Analysis/Behaviorism
Definition
The study of observable behavioral responses and their environmental determinants.
Term
Cognitive Neuroscience
Definition
The study of biological substrates underlying cognition.
Term
Social Psychology
Definition
Deals with people's social interactions, relationships, social perceptions, social cognition and attitudes. And a group's influence on an individuals thinking and behavior.
Term
Clinical Psychology
Definition
Clinical and counseling psychologists diagnose and treat people with psychological problems.
Term
Science
Definition
The use of systematic methods to observe, describe, predict, and explain behavior. A way of think about and observing the universe that leads to a deep understanding of its workings.
Term
Scientific Method
Definition

1. Observing some phenomenon

2. Formulating hypotheses and predictions

3. Testing through empirical research

4. Drawing conclusions

5. Evaluating conclusions

Term
Spurious Correlations
Definition
Correlations that arise because variables are related to a third variable.  Causual link does not exist between two variables.
Term
Independent Variable
Definition
The manipulated experimental factor but not always literally manipulated...the variable before the effects.
Term
Confounding Variable
Definition

Extra, unwanted independent variable that was not intended to be studied.

 

ex.) soccer players running and taking vitamins...vitamins being the confound. coach doesn't know if improvement is from running or vitamins.

Term
Reliability
Definition
The extent to which a test yields a consistent, reproducible measure of performance.
Term
Descriptive Statistics
Definition

The mathematical procedures researchers have developed to describe and summarize sets of data in a meaningful way.

- central tendency (mean, median, mode)

- dispersion (range, variance, standard deviation)

Term
Inferential Statistics
Definition
Distinguishing chance from significance. Calculates the probablility that results are due to chance. Reveal if differences between patterns are sue to chance.
Term
Correlational Research
Definition
Studies the relationship between two variables and how they change together. Useful in directing future research.
Term
Directionality Problem
Definition
Assumption that variable A caused vaiable B, when really variable B may have caused variable A.
Term
Dependent Variable
Definition
A factor that can change in a experiment in response to changes in the independent variable
Term
Operational Definition
Definition
An objective description of how a research variable is going to be measured and observed.
Term
Validity
Definition
Do the operational definitions accurately measure what is intended to be measured?
Term
Statistical Significance
Definition
Indicates that results are not likely sue to chance. p equal to or less than .05
Term
Neuron
Definition
Cells that compose the CNS. Specialized for processing information. Made of up dendrites, soma(cell body), and axon
Term
Axon
Definition
The part of neuron that carries information away from the cell body toward other cells.
Term
Action Potential
Definition
The brief wave of positive electrical charge that sweeps down the axon during the transmission of a nerve impulse.
Term
Receptor
Definition
Has binding sites that neurotransmitters attach to.
Term
Antagonist
Definition
A drug that blocks a neurotransmitter's effects.
Term
Agonist
Definition
A drug that mimics or increases a neurotransmitter's effects.
Term
GABA
Definition
Inhibits neurons from firing. Low levels are linked to anxiety. Valium and other anti-anxiety drugs increase inhibiting effects.
Term
Dopamine
Definition
Helps control voluntary movement and affects sleep, mood, attention, and learning. Stimulant drugs activate receptors. Low levels associated with Parkinson's and Schizophrenia.
Term
Opioid
Definition

Substance released in body to reduce pain.

 

Analgesia - runner's high

 

drugs that affect: heroin, morphine, vicodine, naloxone

Term
Central Nervous System
Definition
Made up of the brain and spinal cord.
Term
Parietal Lobe
Definition
Body sensation. Located toward top and rear of the head and is involved in registering spatial location, attention, and motor control.
Term
Occipital Lobe
Definition
Responds to visual stimuli.
Term
Limbic System
Definition
Loosely connected network of structures including the amygdala (discrimination of objects and emotional awareness) and hippocampus (storage of memories)
Term
Cerebellum
Definition
Consists of two rounded structures and plays important role in motor coordination.
Term
Parasympathetic Nervous System
Definition
Calms the body.
Term
Soma
Definition
Cell body of a neuron.
Term
Dendrite
Definition
Receive and orient information toward the cell body.
Term
Synapses
Definition
Tiny junctions between neurons. The gap between neurons is the synaptic gap.
Term
Neurotransmitter
Definition
Carries information across synaptic gap to the next neuron.
Term
Reuptake
Definition
Molecule of neurotransmitter being taken back into terminal button.
Term
Cannabinoids
Definition
A chemical compund in marijauna.
Term
Acetylcholine
Definition

Stimulates the firing of neurons and is involved in the action of muscles, learning, and memory.

 

Muscular function: Botulinum toxin, curare(in poison darts)

Memory function: nicotine, rivastigmine(alzheimer's)

Term
Serotonin
Definition

Involved in the regulation of mood and sleep.

low levels: depression, insomnia

drugs that affect: zoloft, prozac, ecstasy

Term
Peripheral Nervous System
Definition

Network of nerves that connect the brain and sponal cord to other parts of the body.

Divided into Somatic and Autonomic nervous systems

Term
Frontal Lobe
Definition
Control of voluntary muscles, intelligence, and personality.
Term
Temporal Lobe
Definition
Involved in hearing, language processing, and memory.
Term
Lateralization of Function
Definition
Left vs Right hemispheres
Term
Brain Stem
Definition
Region that includes much of the hindbrain, excluding the cerebellum and the midbrain.
Term
Sympathetic Nervous System
Definition
Arouses the body.
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