Psychology Dictionary of Arguments

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James R. Pomerantz on Imagination - Dictionary of Arguments

I 253
Pylyshyn: Problem: internal knowledge representation. Vs. Visual ideas as a qualitatively independent or theoretically adequate form of mental representation.
>Knowledge representation
, >Knowledge, >Representation, >Presentation, >Information processing.
Imagination, visual/Kosslyn: Question: do visual imaginations differ from other conceptions in structure and function?
Interpretation: we are never aware of having to interpret imaginary images.
>Language, >Images, >Picture theory.
There are no incomplete ideas, for example that half a sofa is missing.
But too much storage capacity would be necessary to store all the information from the retina.
I 256
Besides, there would be no practical access if all of them were stored.
So there must be some interpretation.
Pictorial ideas are never necessarily true. (In contrast to some propositions).
>Truth, >Logical truth, >Propositions.
Imagination/visual/Kosslyn: mere having an imagination does not imply that there is a causal role here.
>Causal roles.
I 260
Thesis: Our perception consists of parts assigned to objects.
>Objects, >Parts, >Compositionality.
KosslynVsPylyshyn: we do have imaginary images. Even if they are not scanned internally.
If the images are saved uninterpreted, you do not need too much time to access them.
I 257
Pylyshyn Thesis: there must be a third code between language and visual presentation.
Problem: that is uneconomical.
Cf. >P. Gärdenfors.

Explanation of symbols: Roman numerals indicate the source, arabic numerals indicate the page number. The corresponding books are indicated on the right hand side. ((s)…): Comment by the sender of the contribution. Translations: Dictionary of Arguments
The note [Concept/Author], [Author1]Vs[Author2] or [Author]Vs[term] resp. "problem:"/"solution:", "old:"/"new:" and "thesis:" is an addition from the Dictionary of Arguments. If a German edition is specified, the page numbers refer to this edition.

Pomerantz I
James R. Pomerantz
Stephen M. Kosslyn
"Imagery, Propositions, and the Form of Internal Representations", in: Cognitive Psychology 9 (1977), 52-76
Kognitionswissenschaft, Dieter Münch, Frankfurt/M. 1992

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