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| right hemisphere |
-associated with spatial, visual tasks, facial recognition, creation and appreciation or art, music and processing negative emotions |
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akp418806 Thu, 07 Feb 2008 16:23:18 GMT |
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| limbic system |
-group of brain areas involved in emotional reactions and motivated behavior
-hypothalamus, amygdala, hippocampus |
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akp418806 Thu, 07 Feb 2008 16:23:18 GMT |
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| sympathetic |
-subdivision of autonomic nervous system that mobilizes bodily resources and increases output of energy during emotion and stress
-blush, sweat, breathe deeply, increase heart rate, and blood pressure, dilate pupil, inhibits digestion
-flight, flee, and cope |
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akp418806 Thu, 07 Feb 2008 16:23:18 GMT |
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| parasympathetic |
-subdivision of autonomic nervous system that separates during relaxed states and conserves energy
-constrict pupil, stimulates tear gland, slows heartbeat, activates digestion |
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akp418806 Thu, 07 Feb 2008 16:23:18 GMT |
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| left hemisphere |
-active in processing language, logic, and symbolic sequential tasks |
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akp418806 Thu, 07 Feb 2008 16:18:10 GMT |
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| corpus callosum |
-bundle of nerve fibers connecting the two cerebral hemispheres |
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akp418806 Thu, 07 Feb 2008 16:18:10 GMT |
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| cerebral cortex |
-collection of several thin layers of cells covering the cerebrum
-responsible for higher mental functions
-occipital, parietal, temporal, frontal lobes |
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akp418806 Thu, 07 Feb 2008 16:18:10 GMT |
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| cones |
-visual receptors involved in color vision
-center of retina
-low sensitivity
-sensitive to color |
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akp418806 Thu, 07 Feb 2008 16:18:10 GMT |
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| agonist |
-drugs that affect system are in synapse for neurotransmitter |
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akp418806 Thu, 07 Feb 2008 16:15:08 GMT |
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| dendrites |
-neuron's branches that receive information from other neurons and transmit it toward the cell body |
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akp418806 Thu, 07 Feb 2008 16:15:08 GMT |
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| axon |
-neuron's extending fiber that conducts impulses away from the cell body and transmits them to other neurons or to muscle or gland cells |
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akp418806 Thu, 07 Feb 2008 16:15:08 GMT |
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| firing (action potential) |
-brief change in electrical voltage that occurs when a neuron is stimulated
-neuron either firing or at rest |
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akp418806 Thu, 07 Feb 2008 16:15:08 GMT |
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| neurotransmitter |
-chemical substance that is released by a transmitting neuron at the synapse and that alters the activity of a receiving neuron
-serotonin, dopamine, acetylcholine, norepinephrine, GABA, glutamate |
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akp418806 Thu, 07 Feb 2008 16:12:13 GMT |
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| empirical question |
-evidence gathered by careful observation, experimentation, and measurement |
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akp418806 Thu, 07 Feb 2008 16:12:13 GMT |
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| dependent variable |
-reaction of subject
-behavior researcher tries to predict |
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akp418806 Thu, 07 Feb 2008 16:12:13 GMT |
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| independent variable |
-aspect of experiment manipulated or varied by the researcher |
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akp418806 Thu, 07 Feb 2008 16:12:13 GMT |
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| experimental method |
-allows researcher to control or manipulate the situation being studied
-can make statements of cause and effect |
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akp418806 Thu, 07 Feb 2008 16:09:25 GMT |
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| myelin sheath |
-fatty insulation that may surround the axon of a neuron
-made of glia cells
-prevent signals in adjacent cells form interfering with each other |
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akp418806 Thu, 07 Feb 2008 16:09:25 GMT |
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| naturalistic observation |
-observes, measures, and records behavior while taking care to avoid intruding on ppl being observed (not artificial setting)
-cannot make statements of causation
-can make direct realizations |
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akp418806 Thu, 07 Feb 2008 16:09:25 GMT |
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| relative threshold |
-smallest difference in stimulation that can be reliably detected by an observer when 2 stimuli are compared |
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akp418806 Thu, 07 Feb 2008 16:09:25 GMT |
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| case study |
-froidian method
-detailed description of particular person, based on observation or formal psych testing
-cannot make statements of causation
-used as sources rather than hypothesis |
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akp418806 Thu, 07 Feb 2008 16:05:04 GMT |
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| survey |
-questionnaires and interview that gather info by asking ppl directly about their experiences, attitudes, and opinions
-produce lots of data, not easy to do well easiest method of gather lots of info
-cannot make statements of cause and effect
-hard to pick sample of similar ppl |
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akp418806 Thu, 07 Feb 2008 16:05:04 GMT |
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| sensation |
-detection of physical energy emitted or reflected by physical objects
-sense organs, eyes, ears, tongue, nose and skin |
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akp418806 Thu, 07 Feb 2008 16:05:04 GMT |
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| inhibitory message |
-change that occurs in receiving neuron's membrane that results in a voltage shift in the negative direction
-the probability that receiving neuron will fire decreases |
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akp418806 Thu, 07 Feb 2008 16:05:04 GMT |
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| thalamus |
-brain structure that relays sensory messages to cerebral cortex
-no smell |
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akp418806 Thu, 07 Feb 2008 15:57:42 GMT |
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| perception |
-process by which brain organizes and interprets sensory information
-set of mental operations that organizes sensory signals into meaningful patterns |
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akp418806 Thu, 07 Feb 2008 15:57:42 GMT |
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| excitatory message |
-a change that occurs in the receiving neuron's membrane that results in a voltage shift in a positive direction
-probability that receiving neuron will fire increases |
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akp418806 Thu, 07 Feb 2008 15:57:42 GMT |
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| all or none prinicple |
-neuron either always either firing or at rest
-neuron can't fire stronger of softer |
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akp418806 Thu, 07 Feb 2008 15:57:42 GMT |
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| random sample |
-procedure for assigning people to experimental and control group groups in which each individual has same probability as any other of being assigned to a given group |
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akp418806 Wed, 06 Feb 2008 21:32:12 GMT |
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| correlation |
-measure of how strongly 2 variables are related to each other
-doesn't est. causation
-negative: association btw increases in 1 variable and decreases in another
-positive: association btw increases in 1 variable and increases in another or btw decreases in one and decreases in another |
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akp418806 Wed, 06 Feb 2008 21:32:12 GMT |
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| hypothesize |
-statement that attempts to decide or explain a given behavior
-specify relationships among events or variables and are empirically tested |
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akp418806 Wed, 06 Feb 2008 21:32:12 GMT |
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| antagonist |
drugs that affect system in synapse against neurotransmitter |
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akp418806 Wed, 06 Feb 2008 21:32:12 GMT |
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