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Updated: Mar 2, 2026

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention
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Emotional processing is enhanced in peri-hand space.

Feng Du1, Xiaotao Wang2, Richard A Abrams3

  • 1CAS Key Laboratory of Behavioral Science, Institute of Psychology, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100101, China.

Cognition
|May 10, 2017
PubMed
Summary
This summary is machine-generated.

Visual processing is heightened near the hands, especially for unpleasant stimuli. This enhanced peri-hand space processing may help detect dangerous environmental cues.

Keywords:
Emotional StroopEvent-related potentialsHand-stimulus proximityLate positive potentialPeri-hand space

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Sensory Processing

Background:

  • The peri-hand space acts as a crucial interface for sensory-motor interaction.
  • Previous research indicates altered visual processing near the hands.
  • These alterations may involve neural mechanisms for emotional stimulus evaluation.

Purpose of the Study:

  • To investigate whether unpleasant visual stimuli are processed more intensely in the peri-hand space.
  • To provide direct evidence for the role of emotional processing in peri-hand visual alterations.

Main Methods:

  • Utilized the emotional Stroop task to assess attentional bias towards emotional stimuli.
  • Measured the Late Positive Potential (LPP), an event-related potential linked to emotional stimulus processing.
  • Compared responses to unpleasant visual stimuli presented in the peri-hand space versus far from the hands.

Main Results:

  • An enhanced emotional Stroop effect was observed for stimuli near the hands.
  • A significantly larger Late Positive Potential (LPP) was recorded for unpleasant visual stimuli in the peri-hand space.
  • These findings indicate heightened processing of unpleasant stimuli in the peri-hand space.

Conclusions:

  • The peri-hand space exhibits enhanced processing of unpleasant visual stimuli.
  • This heightened processing is likely mediated by brain mechanisms involved in emotional evaluation.
  • Enhanced processing in the peri-hand space may serve an adaptive function by facilitating responses to potentially threatening stimuli.