Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Lateralization

Lateralization

Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

The Brain Response to Reflectional Symmetry Is Not Uniquely Preattentive.

The European journal of neuroscience·2026

Same author

At the roots of Plant Awareness Disparity (PAD): Semantic processing and numerosity perception.

PloS one·2026

Same author

Conditions for view invariance in the neural response to symmetry revisited: The case of real and drawn perspective.

Cortex; a journal devoted to the study of the nervous system and behavior·2026

Same author

Autonomic Function in Fragile X Syndrome: A Systematic Review.

Journal of intellectual disability research : JIDR·2026

Same author

Delayed foveal and parafoveal masks disrupt peripheral target processing.

Cognition·2026

Same author

Sustained posterior negativity (SPN) elicited by brief (20 ms) symmetrical stimuli.

Frontiers in psychology·2026

Search research articles

Related Experiment Video

Updated: Apr 19, 2026

A Method to Study Adaptation to Left-Right Reversed Audition

A Method to Study Adaptation to Left-Right Reversed Audition

Published on: October 29, 2018

Right-lateralized alpha desynchronization during regularity discrimination: hemispheric specialization or directed

Damien Wright¹, Alexis D J Makin, Marco Bertamini

¹Department of Psychological Sciences, University of Liverpool, Liverpool, UK.

Psychophysiology

|December 24, 2014

Summary

This summary is machine-generated.

The right hemisphere specializes in discriminating pattern regularity, as shown by right-lateralized alpha desynchronization (ERD) in posterior brain areas during visual tasks.

Keywords:

Alpha Event-related desynchronization Lateralization Sustained posterior negativity Symmetry

More Related Videos

Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound fTCD

Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound fTCD

Published on: September 27, 2010

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

Related Experiment Videos

Last Updated: Apr 19, 2026

A Method to Study Adaptation to Left-Right Reversed Audition

A Method to Study Adaptation to Left-Right Reversed Audition

Published on: October 29, 2018

Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound fTCD

Assessment of Cerebral Lateralization in Children using Functional Transcranial Doppler Ultrasound fTCD

Published on: September 27, 2010

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

Area of Science:

Neuroscience
Cognitive Neuroscience
Visual Perception

Background:

Alpha desynchronization (ERD) over posterior brain areas is right lateralized during abstract pattern classification.
This lateralization may indicate enhanced contralateral visual input or right hemisphere specialization for regularity discrimination.

Purpose of the Study:

To test competing hypotheses for right-lateralized ERD in pattern regularity discrimination.
To determine if right hemisphere networks are specialized for processing visual pattern regularity.

Main Methods:

Twenty-four participants performed a visual discrimination task involving dot patterns.
Participants distinguished between reflectional and translational transformations in vertical and horizontal orientations.
Electroencephalography (EEG) measured brain activity, specifically alpha band ERD.

Main Results:

Right-lateralized ERD was consistently observed across all pattern orientations (vertical and horizontal).
The results were independent of the transformation type (reflection or translation).
Attention shifting strategies did not fully explain the observed lateralization in the horizontal condition.

Conclusions:

The findings support the hypothesis of right hemisphere specialization for regularity discrimination.
Right hemisphere networks, including early posterior regions, are crucial for processing visual pattern regularity.
This specialization is evident regardless of pattern orientation or transformation type.