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Words Jump-Start Vision: A Label Advantage in Object Recognition.

Bastien Boutonnet1, Gary Lupyan2

  • 1Leiden Institute for Brain and Cognition, University of Leiden, NL-2300 RA Leiden, The Netherlands, and bastien.b@icloud.com.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|June 26, 2015
PubMed
Summary

Hearing a word enhances early visual processing, speeding up recognition of familiar objects. This word advantage, observed within 100 ms, demonstrates how language rapidly guides visual perception.

Keywords:
categorizationconceptseven-related potentialslanguage and thoughtperceptionrepresentations

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Area of Science:

  • Cognitive Neuroscience
  • Psycholinguistics
  • Visual Perception

Background:

  • Language influences complex cognitive functions like reasoning and decision-making.
  • It was previously assumed language did not affect low-level visual processing.

Purpose of the Study:

  • To investigate if words provide top-down guidance in early visual processing.
  • To determine if hearing a word enhances visual recognition compared to nonverbal sounds.

Main Methods:

  • 14 English monolingual speakers participated.
  • Electroencephalography (EEG) recorded brain activity.
  • Participants viewed images of familiar animals and artifacts after hearing either their name or a nonverbal sound.

Main Results:

  • Hearing a word significantly enhanced early visual processing within 100 ms of image onset.
  • This enhancement, reflected in the P1 event-related potential (ERP), predicted later behavioral responses.
  • The effect was category-specific, showing words rapidly guide visual processing.

Conclusions:

  • Words act as powerful categorical cues, influencing visual processing at its earliest stages.
  • The study provides evidence for rapid, top-down modulation of visual perception by language.
  • This finding challenges the traditional distinction between high-level and low-level effects of language.