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Psych

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Theory   explains through a set of principles that organizes observations and predicts behaviors  
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Operational Definition   procedures or operations used to define research variables  
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Case Studies   examine one individual in depth in hopes of revealing things true of all- physical, social and educational history  
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Naturalistic Observation   observing behavior in a nature environment  
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Correlation   strongest is 1 or -1 while the weakest is .00=none  
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Mode   popular -most common number that appears  
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Mean   average in a dada set  
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Medium   middle number  
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Range   gap between highest and lowest scores  
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Standard Deviation   how much the scores deviate from one another  
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Dendrite   fibers receive info and conduct it towards the cell  
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Axon   passes the messages along the other neurons - longest part of the Neuron  
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Synapse   meeting point between neurons  
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Neurotransmitters   chemical messages sent between neurons - are in the synapse  
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CNS, Central Nervous System   brain and the spinal cord  
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PNS, Peripheral nervous system   bodies sensory receptors, muscles and glands  
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Endocrine System   hormones are the chemical messages of...  
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Brainstem   oldest part of the body  
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Medulla   controls your heartbeat and breathing  
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Pons   coordinate movement  
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Thalamus   does not control smell and controls other senses  
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Cerebellum   "little brain"  
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Cerebral Cortex   higher level thinking and functioning  
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Circadian Rhythm   natural 24 hour clock  
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REM Sleep   rapid eye movement- dreams  
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Insomnia   persistent problem in falling or staying asleep  
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Night Terrors   sit up, walk around, talk, experience doubling of heart rate and appear terrified  
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Psychological dependence   psychological desire to get the drug- drug seeking  
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Physical dependence   pain and cravings as the drug leaves the uses system  
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Alcohol   decreases self awareness and decreases impulse control  
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Barbiturates   depressants- used to induce sleep or reduce anxiety  
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Opiates   morphine and Heroin  
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Caffeine   most used drug and is a stimulant  
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Nicotine   boost alertness and diminishes appetite - a stimulant  
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Ecstasy   dehydrates- stimulant  
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LSD   hallucinogens- bad or good trip  
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Marijuana   amplifies sensitivity to sounds- hallucinogen  
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Identical Twins   from a single egg by a single sperm cell  
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Temperament   our emotional excitability - intense, quiet, easy going, reactive  
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Heritability   extent variations among people can attributed to their differing genes  
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Individualism   Independence  
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Collectivism   interdependence  
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Western parents teach...   personal independence at a higher rate than other different nationalities  
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