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Related Experiment Video

Updated: May 21, 2026

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice

Evaluation of Hemisphere Lateralization with Bilateral Local Field Potential Recording in Secondary Motor Cortex of Mice

Published on: July 31, 2019

Emotion lateralisation: developments throughout the lifespan.

Dawn Watling¹, Lance Workman, Victoria J Bourne

¹Department of Psychology, Royal Holloway, University of London, Egham, Surrey, UK. Dawn.Watling@rhul.ac.uk

|June 14, 2012

Summary

This study explores how brain hemisphere specialization for emotion processing impacts emotion recognition across a lifetime. It examines whether this development is shaped by experience or innate timing, offering insights into developmental trajectories.

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Area of Science:

Neuroscience
Developmental Psychology
Cognitive Science

Background:

Existing research focuses separately on hemispheric lateralisation for emotion processing and emotion recognition across the lifespan.
The interplay between these two domains, particularly how lateralisation influences recognition performance throughout life, remains underexplored.

Discussion:

This paper integrates existing research and novel findings to examine the development of emotion lateralisation from infancy to late adulthood.
It considers whether this development is experience-dependent (learning) or experience-expectant (specific timing).
Insights from atypical populations are also discussed.

Key Insights:

Hemispheric lateralisation for emotion processing significantly influences emotion recognition abilities across the lifespan.
The developmental trajectory of emotion lateralisation may be shaped by both environmental learning and critical developmental periods.
Understanding atypical development offers valuable perspectives on typical lateralisation and emotion processing.

Outlook:

Future research should prioritize longitudinal studies to track developmental changes.
Investigating the influence of hormones on emotion lateralisation and recognition is crucial.
Exploring the evolutionary origins of laterality can provide deeper insights into its role in emotion processing.