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Chapter

PSYC 100 Chapter Notes -Linguistic Relativity, Distinctive Feature, Phi Phenomenon


Department
Psychology
Course Code
PSYC 100
Professor
Ingrid Johnsrude

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Visual Perception
the process by which we recognize what is represented by in the
information provided by our sense organs
gives unity and coherence to this input
Module
a block of cortical tissue that receives information from the same group
of receptor cells
all the neurons within a module receive information from the same
small region of the retina
Receptive field the portion of the
visual cortex
in which presentation of visual
stimuli will produce an alternation in the firing rate of a particular neuron
Ventral stream
the flow of information from the
primary visual cortex to the visual
association area
lower
temporal lobe
Used to form the perception of an objects shape, colour, and
orientation
Dorsal Stream
The flow of information from the
primary visual cortex to the visual
association area
Parietal lobe
Used to form perception of an objects location in 3 dimensional space
Involved in visual attention and control of eye movements
Reaching, pointing, grasping
Perception of spatial location, perception of movement

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Visual Agnosia
The inability of a person who is not blind to recognize the identity of an
object visually
Caused by damage to the visual association cortex
Prospagnosia
A form of visual agnosia
Characterized by the difficult to recognize peoples faces
Caused by damage to the visual association cortex
Extrastriate Body Area
Region of the
occipital cortex
Responds to forms resembling the human body
Parahippocampal Place Area
Region of
ventral stream
Activated by visual scenes
Cerebral Achromatopsia
The inability to discriminate amoung different hues
Caused by damage to the visual association cortex
Akinetopsia inability to see motion
Figure a visual stimulus that is perceived as a self contained object
Ground a visual stimulus that is perceived as a formless background against
which objects are seen
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