Psychology Exam 1 Review

Psychology Exam 1 Review - Psychology Exam 1 Review...

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Psychology Exam 1 Review Chapters 1-4 Chapter 1 Psychology—the scientific study of behavior and mental processes Need for Psychological Science Hindsight Bias—the I-knew-it-all-along theory; the tendency to believe, after learning an outcome, that you would have foreseen it; finding that something has happened makes it inevitable; leads us to overestimate our intuition; we need scientific study to confirm our reality Overconfidence—we tend to be more confident than correct; leads us to overestimate our intuition; we need scientific study to confirm our reality Research Strategies Naturalistic observation—observing and recording behavior in naturally occurring situations without trying to manipulate and control the situation; describes behavior, doesn’t explain it Double-blind procedure—both the research participants and staff are blind about who received the treatment or the placebo; commonly used in drug evaluation studies Independent variable—the factor that is manipulated and its effect studied (ex: drug dosage) Dependent variable—the outcome factor; the variable that may change in response to manipulations of the independent variable; usually a mental or behavioral process Mode—the most frequent occurring score(s) in a distribution Mean—the average of a distribution Median—the middle score in a distribution Range—the difference between the highest and lowest scores in a distribution Chapter 2 Components that make up the Neuron Myelin sheath—layer of fatty cells that insulates certain axons and speeds up the transmission of the neural impulse; degenerating myelin sheath leads to muscular dystrophy Tract—group of axons bundled together that carries information to a specific area (ex: spinal cord tract) Action Potential Neural impulse (action potential)—electrical charge that travels down the axon, causing it to fire Action potential ions—resting potential: — in + out; depolarization: + in — out
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Dopamine—involved with voluntary movement, learning, attention, memory and emotions; excess of dopamine linked to schizophrenia; lack of dopamine linked to Parkinson’s Serotonin—primarily involved in hunger, mood, sleep and arousal; undersupply linked to depression Endorphin—the body’s natural morphine, linked to pain control and pleasure The Nervous System Central Nervous System—the brain and the spinal cord Enabled thinking, feeling and acting Spinal cord Sends up sensory information, sends back motor-control information
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This note was uploaded on 12/01/2009 for the course PSYCH 10110 taught by Professor Cooper during the Spring '09 term at TCU.

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Psychology Exam 1 Review - Psychology Exam 1 Review...

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