Steps toward an enactive account of synesthesia

I was invited to provide a commentary on Anil Seth’s Cognitive Neuroscience target article “A predictive processing theory of sensorimotor contingencies: Explaining the puzzle of perceptual presence and its absence in synesthesia“. Here it is:

Steps toward an enactive account of synesthesia

Tom Froese

Seth extends predictive processing with counterfactuals: Encoded probabilities of what would occur given a repertoire of possible (but unexecuted) actions. He thereby provides a neat mathematical formulation of the sensorimotor account of perceptual presence, i.e., of the fact that we perceive a whole object while being limited to seeing it from a perspective. Synesthetic concurrents are explained in terms of impoverished counterfactuals. I argue that this explanation misses its target, because it only accounts for a lack of objecthood. Enactive theory is better suited to explain concurrents’ lack of subjectivity veridicality. The world itself shapes experience only during veridical perception.

DOI: 10.1080/17588928.2014.905521

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