Term
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Definition
| research technique in which questionaires or interviews are administered to a selected group of people.(p28) |
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Term
| Correlation coefficient (p30) |
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Definition
| a statistical measure of the degree to shich two variables are associated.(p30) |
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Term
| Independent variable (p30) |
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Definition
| In an experiment, the varifble that is manipulated to test its effects on the other, dependent variables.(p30) |
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Term
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Definition
| In and experiment, the variable that is measure to see how it is changed by manipulations in the independent variable.(p30) |
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Term
| Double-blind technique (p144) |
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Definition
| Experimental design useful in studies of the effects of drugs, in which neither the subject nor the researcher knows at the time of administration which subjects are receiving an active drug and which are receiving an inactive substance. (p144) |
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Term
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Definition
| In a controlled experiment, the group subjected to a change in the independent variable. (p30) |
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Term
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Definition
| In a controlled experiment, the group not subjected to a change in th eindependent variable; used for comparison with the experimental group. (p30) |
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Term
| Naturalistic Observation (p31) |
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Definition
| Behavior is observed in the environment in which it occurs naturally. (p31) |
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Term
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Definition
| Research technique in which questionaires or interviews are administered to a selected group of people. (p28) |
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Term
| Random assignment of subjects |
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Definition
| an experimental technique for assigning subjects to different treatments |
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Term
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Definition
| Experiment which measured the willingness of study participants to obey an authority figure who instructed them to perform acts that conflicted with their personal conscience. |
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Term
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Definition
| He is widely regarded as the "father of experimental psychology ". |
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Term
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Definition
| functional imaging that messures brain activity "on a millisecond-by-millisecond basis". (p63) |
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Term
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Definition
| Structual imaging that allows scientists to create three-dimensional images of the human brain without performing surgery. (p63) |
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Term
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Definition
| measure the strength of the magnetic field and identify its source with source. (p63) |
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Term
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Definition
| uses radioactive energy to map brain activity. (p63) |
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Term
| Absolute refractory period |
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Definition
| Immediately after firing, neurons goes through this, immediately after firing, for about a thousandth of a second, the neuron will not fire again, no matter how strong the incoming messsages may be. |
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Term
| Relative refractory period |
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Definition
| Following Absolute refracory period, this is when the cell is returning to the resting state. |
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Term
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Definition
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Term
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Definition
| Chemicals release by the synaptic vesicles that travel across the synaptic space and affect adjacent neurons. |
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Term
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Definition
| Plays a key role in helping to coordinate and integrate complex psychological reactions. (p68) |
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Term
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Definition
| Glands of the endocrine system that release hormones into the bloodstream (p68) |
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Term
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Definition
| (or tract) group of axons bundled together. (p44) |
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Term
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Definition
| Individual cells that are the smallest unit of the nervous system. (p44) |
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Term
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Definition
| Single long fiber extending from the cell body; it carries outgoing messages. (p44) |
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Term
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Definition
| Short fibers that branch out from the cell body an pick up incoming messages. (p44) |
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Term
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Definition
| White fatty covering found on some axons. (p44) |
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Term
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Definition
| Cellsthat insulate and support neurons by holding them together, provide nourishment and remove waste products, prevent harmful substances from passing into the brain, and form the myelin sheath. (p45) |
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Term
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Definition
| Neurons that carry messages from one neuron to another. (p45) |
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Term
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Definition
| a category of nervous tissue with many nerve cell bodies and few myelinated axons. |
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Term
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Definition
| The neural tissue, particularly of the brain and spinal cord, consisting of tracts or bundles of myelinated (sheathed) nerve fibers. |
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Term
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Definition
| Electrically charged particles found both inside and outside the neuron. (p46) |
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Term
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Definition
| a period of time during which an organ or cell is incapable of performing a particular action. |
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Term
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Definition
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Term
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Definition
| Chemically inactive substance used for comparison with active drug in experiments on the effects of drugs (p144) |
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Term
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Definition
| A pattern of drug use that diminishes the ability ot fulfill responsibilities at home, wor, or school that results in repeated use of a drug in dangerour situations or that leads to legal difficulties related to drug use. (p143) |
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Term
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Definition
| a chronic disease that makes your body dependent on alcohol |
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Term
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Definition
| five or more drinks in a row for a man, four for women. (p148) |
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Term
| Dependence or Addiction (p143) |
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Definition
| A pattern of compulsive drug taking that results in tolerance, withdrawal symptoms, or other specific symptoms for at least a year. (p143) |
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Term
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Definition
| Cocaine, caffine, nicotine - increased altertness, excitation, euphoria, increased pulse rate and blood pressure, sleeplessness. (p145) |
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Term
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Definition
| Euphoria, drowsiness,"rush" of pleasure, little impairment of psychological functions. (p145) |
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Term
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Definition
| Depressed reflexes and impairment motor functioning, tension reductions. (p145) |
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Term
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Definition
| illusions, hallucinations, distortaions in time perception, loss of contact with reality (p145) |
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Term
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Definition
| Euphoria, relaxed inhibitions, increased appetite, possible disorientation. |
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Term
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Definition
| The presence of one or more disorders (or diseases) in addition to a primary disease or disorder |
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Term
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Definition
| the phenomenon whereby higher doses of the drug are required to produce its original effects (p143) |
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Term
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Definition
| Trancelike state in which a person responds readily to suggestions. (p157) |
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Term
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Definition
| Any of the various methods of concentration, reflection, or focusing of thoughts undertaken to suppress the activity of the sympathetic system. (p157) |
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Term
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Definition
| Chemical substances released by the endocrine glands; they help regulate bodily activities. (p68) |
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Term
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Definition
| Gland located on the underside of the brain; it produces the largest number of the body's hormones. (p68) |
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Term
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Definition
| Endocrine gland located below the voice box; it produces the hormone thyoxin. (p68) |
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Term
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Definition
| Four tiny glands embedded in the tyroid (p68) |
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Term
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Definition
| Organ lying between the stomach and small intestine; it secretes insulin and glucagon to regulate blood-sugar levels. (p68) |
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Term
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Definition
| Two endocrine glands located jst above the kidneys. (p68) |
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Term
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Definition
| The reproductive glands - tests in males and ovaries in females. (p69) |
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