Words and the World: Predictive Coding and the Language-Perception-Cognition Interface

Gary Lupyan*, Andy Clark

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

140 Citations (Scopus)

Abstract

Can what we know change what we see? Does language affect cognition and perception? The last few years have seen increased attention to these seemingly disparate questions, but with little theoretical advance. We argue that substantial clarity can be gained by considering these questions through the lens of predictive processing, a framework in which mental representations—from the perceptual to the cognitive—reflect an interplay between downward-flowing predictions and upward-flowing sensory signals. This framework provides a parsimonious account of how (and when) what we know ought to change what we see and helps us understand how a putatively high-level trait such as language can impact putatively low-level processes such as perception. Within this framework, language begins to take on a surprisingly central role in cognition by providing a uniquely focused and flexible means of constructing predictions against which sensory signals can be evaluated. Predictive processing thus provides a plausible mechanism for many of the reported effects of language on perception, thought, and action, and new insights on how and when speakers of different languages construct the same “reality” in alternate ways.

Original languageEnglish
Pages (from-to)279-284
Number of pages6
JournalCurrent Directions in Psychological Science
Volume24
Issue number4
DOIs
Publication statusPublished - 18 Aug 2015
Externally publishedYes

Keywords

  • attention
  • language
  • language and thought
  • perception
  • predictive coding
  • top-down effects

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