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54 Cards in this Set

  • Front
  • Back
What is Psychology?
Scientific study of behavior and mental processes.
Difference between Scientific Psychology and Everyday Psychology.
Scientific: Laws of Behavior, Deterministic, Tentative Explinations,controlled studies, Explination refer to people in general.

Everyday: Bizarre unusual behavior, free will, nonfalsifiable, no studies, explations focus on specific examples.
What are the three major philosophical influences on Psychology.
Mechanism, Empiricism, and Positivism
What is Mechanism
Belief that all behavior follows all natural processes
What is Empiricism
persuit of knowledge through observing nature and experimentations ( All Learning, All Knowledge is based on experience)
What is Positivism
Belief only things objectivly observable should be studied, and excepted as turth
Who was Wilhelm Wundt
(1843-1920) credited as founder of psychology; introspection.
Edward Titchener & Margaret Floy Washburn
(1867-1927) Structralisim-study of conciousness by introspection
Who was Clever Hans
German horse; Experimental approach to animal behavior (Early 1900'S).
Who was Ivan Pavlov
Co-Discoverer of classical conditioning (1849-1936)
Who was William James
(1842-1910) functionalism; first American psychologist.
Who was Sigmund Freud
(1856-1939) Psychoanalysis; sexual analysis - unconcious drives (sex drives)

Who was John Watson
(1878-1958) founder of behaviorism, classical conditioning,
Who was B.F. Skinner
1904-1990 radical behaviorism operant conditioning-visionary
World War 11
needed to treat war victims
Who was Carl Rogers
1902-1987 humanistic psychology feelings
What is Cognative Revolution
(Neisser 1967) Study of thoughts
What is a True Experiment
manipulate certain events and observe the effects on the other events while controlling for confounds.
What is Random Selection
Draw randomly from population of intrest for inclusion in study
What is Random Assignment
make groups equal by dispersing confounds
Pros of Experimental Studies
Allows strongest casual conclusion due to good internal and external validity
Cons of Experimental Studies
External Validity problems due to artificiality; reactivity may also be a problem.
What are the measures of central tendency used in Psychology
Mean-Average
Median-Half Point
Mode- Most frequent
What are the measures of variablity used in Psychology
Range- Diff. highest & lowest
Standard Deviation- Measures of spread or scores
What are the methods of studying the brain structure and function
Lesion Studies, X-rays, Computerized Axial Tomography (CAT), Positron Emission Tomography (PET),
Electroencephalogram (EEG)
Lesion Studies
Patients who have suffered damage to a brain a brain structure (PHINEAS GAGE 1848)
X-rays
only reveal major structural damage
CAT
series of X-rays to reveal 3 dimentional brain structure
PET
providies functional info; able to observe which part of the barain are active during certain activities
EEG
provides electrical functioning information; non invasive
Magnetic Resomance Imaging (MRT)
provides structural and functional infomation less exposure for patients.
What are the Function of a Neuron Axonal Transmission
Microelectrodes,Resting Potential, Threshold, Action Potential, The All or non principal
Microroelectrodes
measures of electrical impluses
Resting Potential
neuron "at rest" inside is negatively charged (-70mv) Relative to the outside.
Threshold
Vaue at which an action potential will occur (-55mv)
Action Potential
lasts one millsecond; electrical impluses travels down axon and reaches terminal ending
"All or None" Principal
only applies to axonal transmission
1.Once threshold is reached axonal flip
2. Very intensive stimulus may trigger more neurons to fire.
What are the function of a neuron; Synaptic Transmission
Presynaptic mambrane, Synapse, Postsynaptic membrane, Re-Uptake and enzyme breakdown of neurotransmitters.
Presynaptic Membrane
(terminal ending) contains vessicles with neutransmitters (chemicals that influence other neurons).
Synapse
gap between terminal ending and dendrite of next neuron
Postsynaptic Membrane
receptor cells for neutrotransmitters
Lock and key theory
NT only affects postsynaptic membrane if shape fit into certain receptor molecules
Re-Uptake & Enzyme breakdown
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What are the two types of Medications that Work
Agonists and Antagonists
What is Agonists
increase effectiveness of a NT (e.g. block re-uptake, mimic NT at receptor cells block enzyme breakdown,
What Antagonists
decrease effectiveness of NT
What are the two parts of the Nervous System
Central Nervous System (CNS; brain and spinal cord)
Peripheral Nervous system
What are the functions of the Peripheral Nervous System
Somatic (controls skeletal, voluntary muscles and sense organs)
Autonomic(controls heart, Lungs, Digestive System, etc)
What are the two functions associated with Autonomic PNS
Sympathetic (produces Arousal)
Parasympathetic(decreases Arousal)
What are the three main Brain Structures
Hindbrain, Midbrain, and Forebrain
Hindbrain
Medulla(controls heartbeat, blood circulation, breathing, Vomiting, Caughing,etc)
Cerebellum (controls Balance and muscle coordination)
Pons (relay station linking Hindbrain to the rest of the brain; involved with sleeping and walking)
Midbrain
Reticular Activating system (relay station and filtering device; involved with arousal and waking
Forebrain
Limbic System (involved with emotions and memory)
A. Amygdala (turns on aggression when stimulated)
B. Spectum (turns off aggression with stimulated)
C. Hippocampus (memory)
D.Cingulate Gyrus (pleasure after eating or sex)
Hypothalamus (homeostasis; controls pituitary; sex sleep; hunger; thirst)

Thalamus (Relay Station) located above the hypothalamus;organization center)

Cerebral Cortex (right and left hemispheres ; corpus callosum)
A. Frontal lobe (personality; and advanced thinking)
B. Temporal lobe (auditory cortex)
C. Parietal lobe (sensory cortex)
D. Occipital lobe (vision)
Endocrine System
A. Hormones (chemicals that travel in bloodstream; serve similar function as NT)

B. Key Glands and Hormones
1.Adrenal gland (on top of kidneys; release hormone adrenalin; control body's response to stress and danger)

2.Pituitary Glands(at base of brain; controlled by hypothalamus; controls release of hormones from many other important glands, such as the thyroid, overies, and testes)

3.Pheromones (hormones that mark territories and singal desire to mate in many species; unclear if they contribute to human behavior)