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37 Cards in this Set
- Front
- Back
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The process of receiving stimuli from an environment
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Sensation
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Organizing and interpreting sensory input
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perception
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Minimum stimulation threshold that we can detect 50% of the time
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absolute
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blank
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blank
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minimum difference threshold between 2 stimuli that we are able to tell apart
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difference
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we become accustomed to certain stimuli
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habituation
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We tend to tune out the important things
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perceptual adaptation
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Mental predisposition to perceive one thing and not another.
-What you know influences what you see |
perceptual set
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Finding meaningful patterns in chaos
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Paredolia
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Analysis that begins with a feeling and we attempt to understand what it is
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bottom-up processing
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When we draw and imagine perceptions based on experiences and emotion
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Top-down processing
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sensations that occur below ones threshold and are not consciously recognized
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subliminal messages
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The receptors in the center of the eye specific for detail and color
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cones
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receptors that can see very well in low light
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rods
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Theory that says that the spinal cord has a gate that blocks pain signals to allow them to go to the brain
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gate-control theory
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Theory that says that we perceive the environment as a whole greater than the sum of its parts
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Gestalt's theory
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The inability to recognize faces
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Prosopagnosia
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Extrasensory perception
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Parapsychology
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Your immediate awareness of internal and external stimuli
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waking conciousness
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By focusing on one stimulus, we fail to perceive other stimuli
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Change and Inattentional Blindness
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24-hour cycle that includes sleep and wakefulness
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Circadian Rhythms
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Not being exposed to the types of lights associated with our circadian rhythms which causes an alteration in our sleeping pattern
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sensory deprivation
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Stage of light sleep (drifting off)
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NREM1
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Stage of sleep when brain waves and heart rate slow down
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NREM 2
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Stage of sleep when the brain is the slowest
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NREM 3+4
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Stage of sleep where sleep talking and walking occurs
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NREM3+4
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Stage of sleep where body is aroused
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REM
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Stage of sleep where brain is very active and body is paralyzed
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REM
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This affects the ability to form new memories
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REM deprivation
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"we are aggressive and sexual animals"
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Freud's theory of dreams
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Neurons in the brain tend to be randomly activated during sleep, causing strange dreams
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Activation synthesis model
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Substances that inhibit brain activity
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depressants
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Our survival instincts for motivation
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Evolutionary theory
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Theory that we all have internal drives that must be met in some way
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Drive-reduction theory
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Theory that we seek constant stimulation
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Arousal theory
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An individuals characteristic pattern of thinking, feeling and action
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Personality
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Reservoir of mostly unacceptable thoughts, wishes, feelings and memories
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Unconcious
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