V1 as an egocentric cognitive map

Author:

Linton Paul1ORCID

Affiliation:

1. Centre for Applied Vision Research, City, University of London, Northampton Square, London EC1V 0HB, UK

Abstract

Abstract We typically distinguish between V1 as an egocentric perceptual map and the hippocampus as an allocentric cognitive map. In this article, we argue that V1 also functions as a post-perceptual egocentric cognitive map. We argue that three well-documented functions of V1, namely (i) the estimation of distance, (ii) the estimation of size, and (iii) multisensory integration, are better understood as post-perceptual cognitive inferences. This argument has two important implications. First, we argue that V1 must function as the neural correlates of the visual perception/cognition distinction and suggest how this can be accommodated by V1’s laminar structure. Second, we use this insight to propose a low-level account of visual consciousness in contrast to mid-level accounts (recurrent processing theory; integrated information theory) and higher-level accounts (higher-order thought; global workspace theory). Detection thresholds have been traditionally used to rule out such an approach, but we explain why it is a mistake to equate visibility (and therefore the presence/absence of visual experience) with detection thresholds.

Publisher

Oxford University Press (OUP)

Subject

Psychiatry and Mental health,Clinical Neurology,Neurology,Clinical Psychology,Experimental and Cognitive Psychology

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