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Chapter 6
Invitation to Psych, fourth edition - Wade Tavris
56
Psychology
Undergraduate 1
08/12/2009

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Term
what are the five senses
Definition
vision, ears, taste, touch, smell
Term
skeletal muscles
Definition
receptors for sense of bodily movement
Term
balance
Definition
receptors are in ear
Term
the detection of physical energy emitted or reflected by physical objects
Definition
sensation
Term
sensation begins with
Definition
sense receptors
Term
sense receptors are
Definition
specialized cells who's total purpose is to convert physical energy from the environment in to electrical energy in our brain
Term
sense receptors are
Definition
specialized cells who's total purpose is to convert physical energy from the environment in to electrical energy in our brain
Term
sense receptors transmit to
Definition
sensory neurons in the peripheral nervous system
Term
sense receptors transmit to
Definition
sensory neurons in the peripheral nervous system
Term
The principle that different sensory modalities exist because signals received by the sense organs stimulate different nerve pathways leading to different areas of the brain
Definition
doctrine of specific nerve energies
Term
johnahhes huhler gave us
Definition
the doctrine of specific nerve energies
Term
the process by which the brain organizes and interprets sensory information
Definition
perception
Term
doctrine of specific energies implies
Definition
we see with the brian, not our eyes
Term
a rare condition in which stimulation of one sense also evokes a sensation in another
Definition
synesthesia
Term
the smallest quantity of physical energy that can be reliably detected by and observer
Definition
absolute threshold
Term
the smallest difference in stimulation that can be reliably detected by an observer when two stimuli are compared ; also called just noticeable difference
Definition
difference threshold
Term
these rely on the fact that sensory receptors and neurons fire, or are firing in a pattern
Definition
functional code
Term
information about which cells are firing, how many cells are firing, pattern they fire is an example of
Definition
functional code
Term
when a stimulus is unchanging or repetitious, sensations often fades or disappears. Receptors or nerve cells higher up in the sensory system get tired and fire less frequently. The resulting decline in sensory responsiveness is called
Definition
sensory adaption
Term
when a stimulus is unchanging or repetitious, sensations often fades or disappears. Receptors or nerve cells higher up in the sensory system get tired and fire less frequently. The resulting decline in sensory responsiveness is called
Definition
sensory adaption
Term
the absence of normal levels of sensory stimulation
Definition
sensory deprivation
Term
the focusing of attention on selected aspects of the environment and the blocking out of others
Definition
selective attention
Term
failure to consciously perceive something you are looking at because you are not attending to it
Definition
in-attentional blindness
Term
the dimension of visual experience specified by color names and related to the wavelength of light
Definition
hue
Term
lightness or luminance, the dimension of visual experience related to the amount of light emitted from or reflected by an object
Definition
brightness
Term
lightness or luminance, the dimension of visual experience related to the amount of light emitted from or reflected by an object
Definition
brightness
Term
vividness or purity of color, the dimension of visual experience related to the complexity of light waves
Definition
saturation
Term
neural tissue lining the back of the eyeballs interior , which contains receptors for vision
Definition
retina
Term
visual receptors that respond to dim light
Definition
rods
Term
visual receptors that respond to dim light
Definition
rods
Term
visual receptors involved in color vision
Definition
cones
Term
a process by which visual receptors become maximally sensitive to dim light
Definition
dark adaption
Term
Neurons in the retina of the eye, which gather information from receptor cells by way of intermediate bipolar cells, their axons make up the optic nerve
Definition
ganglion cells
Term
cells in the visual cortex that are sensitive to specific features of the environment -
Definition
feature-detector cells
Term
a theory of color perception that proposes three mechanism in the visual system, each sensitive to a certain range of wave lenghts, their interaction is assumed to produce all the different experiences of hue
Definition
trichromatic theory
Term
a theory of color perception that assumes that the visual system treats pairs of colors as opposing or antagonistic -
Definition
opponent-process theory
Term
the first people to study how people organize the world into visually meaningful units and patterns
Definition
gestalt psychologist
Term
principles that describe the brains organization of sensory information into meaningful units and patterns
Definition
gestalt principles
Term
visual cues to depth or distance requiring two eyes
Definition
binocular cues
Term
the turning inward of the eyes when they focus on objects that are near by
Definition
convergence
Term
the slight difference in lateral separation between two objects as seen by the left eye and the right eye
Definition
retinal disparity
Term
visual cues to depth or distance that can be used by one eye alone
Definition
monocular cues
Term
the accurate perception of objects as stable or unchanged despite changes in the sensory patterns they produce
Definition
perceptual constancy
Term
the dimension of auditory experience related to the intensity of a pressure wave
Definition
Loudness
Term
the dimension of auditory experience related to the frequency of a pressure wave; it is related to the height or depth of a tone
Definition
pitch
Term
the distinguishing quality of a sound; the dimension of auditory experience related to the complexity of the pressure wave
Definition
timbre
Term
a structure in the cochela containing hair cells that serve as the receptors for hearing
Definition
organ of corti (CORE-tee)
Term
a snail shaped fluid filled organ in the inner ear, containing the organ of corti where the receptors for hearing are located
Definition
Cochlea (KOCK-lee-uh
Term
knoblike elevations on the tongue, containing the taste buds -
Definition
papillae (pa-PILL-ee)
Term
nests of taste receptors cells
Definition
Taste buds
Term
the theory that the experience of pain depends in part on whether pain impulses get past a neurological "gate" in the spinal cord and thus reaching the brain
Definition
gate-control theory
Term
the experience of pain in a missing limb or other body part
Definition
phantom pain
Term
the sense of body position and movement of body part
Definition
- kinestheses (KIN-es-THEE-sis)
Term
sense organs in the inner ear which contribute to equilibrium by responding to totation of the head
Definition
semicircular canals
Term
a habitual way of perceiving, based on expectation
Definition
perceptual set
Term
the study of purported psychic phenomena such as esp and mental telepathy
Definition
parapsychology
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