Chapter 5 - Sensation and Perception

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51 Terms

1
Troxler Effect
________- Objects in the peripheral retina disappear under conditions of steady, unmoving stimulation but are revitalized by movement in the periphery.
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2
Kinesthesia
________-"System for sensing the position and movement of individuals body parts "(pg.
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3
Perceptual Constancy
________-"Perceiving objects as unchanging… even as illumination and retinal images change "(pg.
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4
Hidden Observer
________- Part of your body still knows whats going on.
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5
Transduction
________-"the process of converting one form of energy into another that our brain can use "(pg.
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6
nervous system
Sensation (Bottom- Up Processing)-"the process by which our sensory receptors and ________ receive and represent stimulus energies from our environment "(pg.
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7
Webers Law
________- Difference thresholds increase in proportion to the size of the stimulus.
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8
Absorption
________- ability to become highly involved in sensory or imaginative sequences.
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9
Absolute Threshold
________-"the minimum stimulus energy needed to detect a particular stimulus "(pg.
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10
Expectancy
________- skepticism makes it less likely to work.
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11
Retinal disparity
________- objects not being in the same place when off- center in front of you and looked at by one eye, helping you more accurately perceive distance.
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12
Psychophysics
________- the study of the relationship between physical stimulation and psychological experience.
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13
Color sensitive cones
________ are concentrated around the fovea, while the color- blind rods dominate the periphery of the retina.
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14
visual cues
Our ability to maintain balance depends on ________.
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15
Nystagmus
________- Reflex movement evoked by vestibular stimulation.
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16
Brain
________ uses parallel processing of sensory information.
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17
Dissociation
________- split in consciousness that allows some thoughts and behaviors to occur simultaneously with others.
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18
Monocular cues
________- use one eye to perceive depth of objects far from us.
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19
Hypnotic Susceptibility
________- persons ability to become deeply hypnotized; suggestibility.
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20
Field Independence
________- Rely on vestibular cues.
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21
Field Dependence
________- Rely on visual cues.
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22
Sensation (Bottom-Up Processing)
"the process by which our sensory receptors and nervous system receive and represent stimulus energies from our environment" (pg
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23
Perception (Top-Down Processing)
"the process by which our brain organizes and interprets sensory information, transforming it into meaningful objects and events" (pg
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24
Transduction
"the process of converting one form of energy into another that our brain can use" (pg
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25
Psychophysics
the study of the relationship between physical stimulation and psychological experience
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26
Absolute Threshold
"the minimum stimulus energy needed to detect a particular stimulus" (pg
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27
Signal Detection
Individual absolute thresholds vary with our psychological state (expectations, motivations, and alertness)
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28
Difference Threshold a.k.a., just noticeable difference (jnd)
The minimum difference in stimulation that a person can detect 50% of the time
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29
Webers Law
Difference thresholds increase in proportion to the size of the stimulus
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30
Gestalt
German for "form"; "whole"
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31
Depth Perception
Visual cliff
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32
Retinal disparity
objects not being in the same place when off-center in front of you and looked at by one eye, helping you more accurately perceive distance
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33
Two different ways to perceive depth
binocular cues and monocular cues
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34
Binocular cues
use both eyes to perceive depth of objects close to us
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35
Monocular cues
use one eye to perceive depth of objects far from us
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36
Troxler Effect
Objects in the peripheral retina disappear under conditions of steady, unmoving stimulation but are revitalized by movement in the periphery
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37
Perceptual Constancy
"Perceiving objects as unchanging… even as illumination and retinal images change" (pg
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38
Touch localization
Noticing where on your body you experience touch
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39
Kinesthesia
"System for sensing the position and movement of individuals body parts" (pg
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40
Vestibular Sense
"Sense of body movement and position, including the sense of balance" (pg
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41
Nystagmus
Reflex movement evoked by vestibular stimulation
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42
Field Dependence
Rely on visual cues
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43
Field Independence
Rely on vestibular cues
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44
Social Influence Theory
Hypnosis can be explained through other psychological experiences (Putting on an act as a good subject, even subconsciously)
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45
Dissociation Theory
Separating into parts of yourself (Believing when given the suggestion of something)
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46
Dissociation
split in consciousness that allows some thoughts and behaviors to occur simultaneously with others
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47
Hidden Observer
Part of your body still knows whats going on
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48
Hypnotic Susceptibility
persons ability to become deeply hypnotized; suggestibility
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49
Absorption
ability to become highly involved in sensory or imaginative sequences
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50
Motivation
self motivated for hypnotism works best8
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51
Expectancy
skepticism makes it less likely to work
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