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Analysis of monkey brains
SupportiveArgument
1
#3729
Approximately 32 areas of the monkey cerebral cortex contain neurons that respond selectively to visual input; moreover, about half of these areas are topographically organized—they preserve (roughly) the geometric structure of the retina.
Felleman & Van Essen, 1991; Tootell, Silverman, Switkes, & De Valois, 1982.
Discussed in: Kosslyn and Thompson (2003).
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Artificial Intelligence »
Artificial Intelligence
Artificial Intelligence☜A collaboratively editable version of Robert Horns brilliant and pioneering debate map Can Computers Think?—exploring 50 years of philosophical argument about the possibility of computer thought.☜F1CEB7
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Can computers think? [1] »
Can computers think? [1]
Can computers think? [1]☜Can a computational system possess all important elements of human thinking or understanding? ☜FFB597
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No: computers can't understand images [5b] »
No: computers can't understand images [5b]
No: computers can't understand images [5b]☜Computers cant think because they cant use images in the way that people do. Computers can only deal with formal symbolic information.☜59C6EF
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Images represented by filled cells in an array »
Images represented by filled cells in an array
Images represented by filled cells in an array☜Cells in a matrix inside a machine’s memory function as if they were arranged in a visual array. Images correspond to filled cells within such an array. Array-based sensory patterns are interpreted by higher-level systems. ☜EF597B
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Images are Quasi-pictorial representations »
Images are Quasi-pictorial representations
Images are Quasi-pictorial representations☜Images are quasi-pictorial entities with special properties that correspond to those of their correlated physical objects. Images possess structure by virtue of their ties to higher-perceptual processes.☜98CE71
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Image Psychology »
Image Psychology
Image Psychology☜Members of the image school of psychology claim that images play an essential role in thinking. ☜98CE71
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Experimental evidence »
Experimental evidence
Experimental evidence☜Kosslyn argues that image psychology is supported by experimental evidence.☜98CE71
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Neuroimaging evidence »
Neuroimaging evidence
Neuroimaging evidence☜Modern neuroimaging techniques provide new experimental evidence in support of theories of visual mental imagery—suggesting that explanations based solely on language-descriptions are insufficient.☜FF97FF
■
Analysis of monkey brains
Analysis of monkey brains☜Approximately 32 areas of the monkey cerebral cortex contain neurons that respond selectively to visual input; moreover, about half of these areas are topographically organized—they preserve (roughly) the geometric structure of the retina.☜98CE71
●
Damage produces localised blind-spots »
Damage produces localised blind-spots
Damage produces localised blind-spots☜Damage to discrete portions of these areas produces scotomas—blind spots—that are localized in space according to where the damage occurs.☜98CE71
●
Geometric structure is functional and physical »
Geometric structure is functional and physical
Geometric structure is functional and physical☜The geometric structure of these areas is functional as well as physical; patterns of neural activation in these areas depict the surfaces of perceived stimuli—i.e. they reflect the geometric structure of the planar projection of a stimulus.☜98CE71
●
Such depictive areas identified in human brains »
Such depictive areas identified in human brains
Such depictive areas identified in human brains☜Positron emission tomography (PET) and functional magnetic resonance imaging (fMRI) have identified such depictive areas in the human brain.☜98CE71
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Entered by:-
David Price
NodeID:
#3729
Node type:
SupportiveArgument
Entry date (GMT):
11/28/2007 3:00:00 PM
Last edit date (GMT):
11/28/2007 3:50:00 PM
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