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Touching soft materials slows affective visual processing.

Achille Pasqualotto1,2,3, Utek Leong1,4, Ryo Kitada1,5

  • 1School of Social Sciences, Nanyang Technological University, Singapore, Singapore.

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|December 12, 2025
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Summary
This summary is machine-generated.

Tactile perception influences affective visual processing speed. Touching soft materials slowed emotional word ratings, suggesting touch impacts how we emotionally perceive visual stimuli.

Keywords:
affective processingmultisensory integrationtouchvalencevision

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Area of Science:

  • Psychology
  • Neuroscience
  • Cognitive Science

Background:

  • Multisensory integration between tactile and visual systems is well-established for cognitive tasks like object recognition.
  • The impact of multisensory interactions on affective (emotional) processing remains less understood.
  • This study investigates how tactile input modulates the emotional evaluation of visual stimuli.

Purpose of the Study:

  • To examine the influence of tactile perception on the affective processing of visual stimuli.
  • To determine if tactile input affects the speed or accuracy of emotional valence ratings.
  • To differentiate the effect of tactile input on affective versus semantic (cognitive) visual processing.

Main Methods:

  • Two experiments were conducted using urethane rubbers of varying compliance (hard vs. soft) and visually presented words.
  • Participants rated the affective valence of words while touching different textures.
  • A second experiment assessed abstractness ratings to distinguish affective from cognitive processing.

Main Results:

  • Touching a soft stimulus significantly slowed the reaction time for affective valence ratings of visual words.
  • The tactile manipulation did not alter the valence ratings themselves.
  • Abstractness ratings (semantic processing) were unaffected by the tactile stimuli.

Conclusions:

  • Tactile perception influences the speed of affective visual processing.
  • An attentional mechanism may underlie the observed effect of touch on emotional perception.
  • This highlights a novel pathway through which somatosensory input modulates emotional responses to visual information.