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Related Experiment Video

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

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

Published on: November 16, 2017

Implicit emotional processing in peripheral vision: behavioral and neural evidence.

Simon Rigoulot¹, Fabien D'Hondt², Jacques Honoré³

¹Université de Lille Nord de France, F-59000, France; Neurosciences Fonctionnelles et Pathologies, Université de Lille 2, F-59000, France.

Neuropsychologia

|September 5, 2012

Summary

Even in peripheral vision, emotional facial expressions are implicitly processed. This automatic detection of emotions occurs even when visual performance is reduced, suggesting enhanced emotional saliency processing.

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Area of Science:

Cognitive Neuroscience
Visual Perception
Human Emotion Processing

Background:

Emotional facial expressions (EFE) are typically processed efficiently with focused attention and gaze.
The extent of processing for peripheral EFE without focused attention is largely unknown.

Purpose of the Study:

To investigate implicit processing of peripheral emotional facial expressions.
To determine if emotional content modulates processing when faces are not attended or fixated.

Main Methods:

Participants categorized gender of happy, fearful, and neutral faces presented peripherally (15° and 30°).
Behavioral (reaction times) and electrophysiological responses were recorded.
Spatio-temporal principal component analysis was used on electrophysiological data.

Main Results:

Behavioral performance decreased for happy and fearful faces, indicating interference from automatic emotional processing.
Early electrophysiological activity in occipito-temporal areas was enhanced for emotional faces compared to neutral ones.
Implicit processing of EFE was evident despite reduced visual performance with eccentricity.

Conclusions:

Emotional facial expressions can be automatically detected in peripheral vision.
Humans possess the ability to process emotional saliency under conditions of significantly reduced visual input.
Peripheral EFE processing occurs implicitly, influencing cognitive tasks even without direct attention.