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Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention
05:36

Central and Divided Visual Field Presentation of Emotional Images to Measure Hemispheric Differences in Motivated Attention

Published on: November 16, 2017

Peripheral vision and preferential emotion processing.

Andrea De Cesarei1, Maurizio Codispoti, Harald T Schupp

  • 1Department of Psychology, University of Bologna, Bologna, Italy. andrea.decesarei@unibo.it

Neuroreport
|September 26, 2009
PubMed
Summary
This summary is machine-generated.

Emotional image processing is strongest in central vision and diminishes in the periphery. Peripheral emotional stimuli only affect brain activity during passive viewing, suggesting a need for perceptual resources.

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Area of Science:

  • Visual perception
  • Cognitive neuroscience
  • Affective science

Background:

  • Affective modulations of event-related potentials (ERPs) are well-established for foveal stimuli.
  • Emotional stimuli are known to influence cognitive processing.

Purpose of the Study:

  • To investigate the preferential processing of emotional scenes presented in the periphery of the visual field.
  • To examine how picture eccentricity influences emotional processing and event-related potentials.
  • To determine the role of attentional engagement in peripheral emotional stimulus processing.

Main Methods:

  • Emotional and neutral images were presented at various visual field locations (eccentricities).
  • Participants engaged in either passive viewing or a distractor task.
  • Event-related potentials (ERPs) were recorded to measure neural responses.

Main Results:

  • Emotional processing effects were maximal for central stimuli and absent in the far periphery.
  • Near-peripheral emotional stimuli modulated ERPs only during passive viewing.
  • Emotional processing varied significantly with picture eccentricity.

Conclusions:

  • Perceptual processing resources are necessary for the identification and emotional processing of peripheral stimuli.
  • Attentional engagement modulates the impact of peripheral emotional information on neural processing.
  • Emotional salience processing is not uniform across the visual field and depends on eccentricity and attention.