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Stephen Kosslyn
Protagonist
1
#2780
Arguments advanced by Stephen Kosslyn.
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Artificial Intelligence »
Artificial Intelligence
Artificial IntelligenceâA collaboratively editable version of Robert Horns brilliant and pioneering debate map Can Computers Think?âexploring 50 years of philosophical argument about the possibility of computer thought.âF1CEB7
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Protagonists »
Protagonists
ProtagonistsâThe contributions of over 300 protagonists can be explored via a surname search, or using the growing list developing here.âD3B8AB
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Stephen Kosslyn
Stephen KosslynâArguments advanced by Stephen Kosslyn.âD3B8AB
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Top-down image processing has been implemented »
Top-down image processing has been implemented
Top-down image processing has been implementedâTop-down processing of imagery has been formally described using a theory of processing subsystems. The theory is mathematically precise enough to be simulated in computer programs that recognise patterns by a process of top-down hypothesis testing.âFFFACD
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Quasi-pictorial images are adequate »
Quasi-pictorial images are adequate
Quasi-pictorial images are adequateâAn adequate theory of mental activity can be formed without assuming an underlying proposition or deep structure. Quasi-pictorial images can do the same work as symbolic descriptions.âFFFACD
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Images are Quasi-pictorial representations »
Images are Quasi-pictorial representations
Images are Quasi-pictorial representationsâImages 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.âFFFACD
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Experimental evidence »
Experimental evidence
Experimental evidenceâKosslyn argues that image psychology is supported by experimental evidence.âFFFACD
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Mental Rotation »
Mental Rotation
Mental RotationâSubjects rotated images in their heads in much the same way that they would rotate physical objects in space. Conclusion: the mental image being rotated has spatial properties analogous to those of an object.âFFFACD
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Scanning visual images »
Scanning visual images
Scanning visual imagesâThe time needed for subjects to describe mental images corresponds to the time it would have taken them to scan an actual picture. Conclusion: internal images have special properties analogous to those external images. âFFFACD
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Alleged problems have been disconfirmed »
Alleged problems have been disconfirmed
Alleged problems have been disconfirmedâTask demands and experimenter effects do not refute scanning and rotation experiments (see detailed text).âFFFACD
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Behavioural evidence favours image psychology »
Behavioural evidence favours image psychology
Behavioural evidence favours image psychologyâImage psychology predicts image rotation and scanning in addition to explaining them. Propositional theory, by contrast, does not predict image rotation and scanning.âFFFACD
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Impenetrability doesnât isolate basic elements »
Impenetrability doesnât isolate basic elements
Impenetrability doesnât isolate basic elementsâThe requirement that basic elements of functional architecture must be cognitively impenetrable is flawed as many body functionsâeg digestionâare cognitively penetrable but still basic, and elements can change levels in the functional hierarchy.âFFFACD
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Images important even if not primitive explanations »
Images important even if not primitive explanations
Images important even if not primitive explanationsâIt may be true that images are not primitive, low-level entities. However, explanation does not always require an understanding of what happens at the lowest possible level. The proper level of analysis perception requires the inclusion of images.âFFFACD
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Simulation suggests image theory precision »
Simulation suggests image theory precision
Simulation suggests image theory precisionâImages can be precisely described computational data structures. This is not just a vague picture in the head metaphor, because operations on these data structures (such as rotation and scanning) can be simulated on a computer.âFFFACD
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Pylyshyn uses wrong notion of an image »
Pylyshyn uses wrong notion of an image
Pylyshyn uses wrong notion of an imageâPylyshyn attacks an extreme picture-in-the-head theory of images that views images as mental photographs. But photographs lack intrinsic structure. Mental images, in contrast, are richly structured entities that still have some spatial properties.âFFFACD
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Machine implementations show computational power »
Machine implementations show computational power
Machine implementations show computational powerâComputer models based on a visual buffer have been highly successful at a variety of tasks, even to the point of being able to solve problems they were not originally programmed for. Such success could not result from an incoherent theory.âFFFACD
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Regard mind's eye as a classification scheme »
Regard mind's eye as a classification scheme
Regard mind's eye as a classification schemeâThe minds eye need not be interpreted as a location in space. The minds eye is better thought of as a processor (or visual buffer) that interprets sensory information in a series of stages.âFFFACD
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Stephen Kosslyn »
Stephen Kosslyn
Stephen KosslynâArguments advanced by Stepen Kosslyn.âFFFACD
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Eingabe von:
David Price
NodeID:
#2780
Node type:
Protagonist
Eingabedatum (GMT):
7/20/2007 6:13:00 PM
Zuletzt geÀndert am (GMT):
7/20/2007 6:13:00 PM
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