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Related Experiment Video

Updated: Jun 4, 2026

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

Processing emotion from the eyes: a divided visual field and ERP study.

Alan A Beaton¹, Nathalie C Fouquet, Nicola C Maycock

¹Department of Psychology, University of Swansea, Singleton Park, Swansea, UK. a.a.beaton@swansea.ac.uk

|February 22, 2011

Summary

This study found a left visual field advantage for judging emotions from eyes, challenging the right hemisphere aging hypothesis. Older adults showed no decline in emotional processing compared to younger individuals.

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Simultaneous Recording of Electroretinography and Visual Evoked Potentials in Anesthetized Rats

Simultaneous Recording of Electroretinography and Visual Evoked Potentials in Anesthetized Rats

Published on: July 1, 2016

Area of Science:

Neuroscience
Cognitive Psychology
Psychophysiology

Background:

The right cerebral hemisphere is generally associated with processing emotional facial expressions.
Previous research suggests potential lateralization in emotion recognition, particularly involving the eyes.

Purpose of the Study:

To investigate laterality effects in judging emotions specifically from the eyes.
To examine age-related differences in emotion processing lateralization.
To explore the neural underpinnings of emotion recognition from eye stimuli using electroencephalography (EEG).

Main Methods:

Two tasks were employed: an eyes-matching task and an emotional word-judgement task with laterally presented eye stimuli.
Participants included young undergraduates and older adults (>50 years).
Behavioral data (accuracy, response times) and EEG data (N170 component) were collected.

Main Results:

Log-transformed response times revealed a left visual hemifield advantage, indicating faster processing for stimuli presented to the left visual field.
No significant age-related decline in performance or hemispheric asymmetry was observed.
Younger participants exhibited a greater N170 amplitude over the right hemisphere for emotion judgment tasks compared to the eyes-matching task.

Conclusions:

Emotion recognition from eye stimuli shows a left visual field advantage, suggesting right hemisphere involvement.
The findings do not support the right hemisphere aging hypothesis regarding emotional processing.
EEG data indicates distinct neural processing for judging emotions versus perceptual matching of eye stimuli, with right-hemisphere lateralization in younger adults.