Coherence in the Visual Imagination

Cognitive Science 42 (3):885-917 (2018)

Authors
Jim Davies
University of Leicester
Abstract
An incoherent visualization is when aspects of different senses of a word are present in the same visualization. We describe and implement a new model of creating contextual coherence in the visual imagination called Coherencer, based on the SOILIE model of imagination. We show that Coherencer is able to generate scene descriptions that are more coherent than SOILIE's original approach as well as a parallel connectionist algorithm that is considered competitive in the literature on general coherence. We also show that co-occurrence probabilities are a better association representation than holographic vectors and that better models of coherence improve the resulting output independent of the association type that is used. Theoretically, we show that Coherencer is consistent with other models of cognitive generation. In particular, Coherencer is a similar, but more cognitively plausible model than the C3 model of concept combination created by Costello and Keane. We show that Coherencer is also consistent with both the modal schematic indices of perceptual symbol systems theory and the amodal contextual constraints of Thagard's theory of coherence. Finally, we describe how Coherencer is consistent with contemporary research on the hippocampus, and we show evidence that the process of making a visualization coherent is serial.
Keywords Cognitive modeling  Coherence  Hippocampus  Imagination  Visualization
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DOI 10.1111/cogs.12569
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References found in this work BETA

Perceptual Symbol Systems.Lawrence W. Barsalou - 1999 - Behavioral and Brain Sciences 22 (4):577-660.
Coherence in Thought and Action (M. Amini).P. Thagard - 2000 - Philosophical Books 43 (2):136-140.
Explanatory Coherence (Plus Commentary).Paul Thagard - 1989 - Behavioral and Brain Sciences 12 (3):435-467.

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