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sensation
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the process of detecting and encoding stimulus energy in the world
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What is a hypotheses?
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a specific assumptions or predictions that can be tested to determine their accuracy
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learning
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a relativelypermanant change in behavior that occurs through experience
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What are the three main types of psychoactive drugs?
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depressants,stimulants, and hallucinogens
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extrasensory perception (ESP)
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perception that occurs with out the use of any known sensory process, most pshchologist do not believe in ESP
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narcolepsy
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is the overpowering urge to fall asleep
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altered state of consciousness
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occurs when a person is in a mental state that moticeably dffer from normal awareness
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Depressants
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slow down mental and physical activity
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stimulants
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increase the central nervous systems activity
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Hallucinogens
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modify a persons perceptual wxperience and produce visual images that are not real
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operant conditioning
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a form of learning in which the consequences of behavior produce changes in the probability of the behavior's occurrence
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retrieval
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takes place when information is taken out of storage
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Who developed the concept of operant conditioning?
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the american pshchologist B.F. Skinner
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Storage
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consists of the retention of information over time
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encoding
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involves how information gets into memory
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random assignment
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which occurs whem researchers assign participants to experimental and control groups by chance
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independant variable
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the manipulated, influential, experimental factor
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case study
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in an in-depth look at a single individual; when either practical or ethical reasons
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dependant variable
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the factor that is measured in an experiment
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nature
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often used to describe an organism's biological inheritance
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nurture
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often used to describe an organism's environmental experiences
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what is the master gland?
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the anterior (front) part of the pituitary gland
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cones
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are the receptors hat we use for color perception
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perception
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is the brains process of organizing an dintrpreting sensory information to give it meaning
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rods
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are the receptors in the retina that are sensitive to light but are not very useful for color vision
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