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Updated: Apr 6, 2026
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Non-Invasive Electrical Brain Stimulation Montages for Modulation of Human Motor Function
Published on: February 4, 2016
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Revealing humans' sensorimotor functions with electrical cortical stimulation.
Michel Desmurget1, Angela Sirigu2
1Centre de Neuroscience Cognitive, CNRS, UMR 5229, 67 boulevard Pinel, Bron 69500, France Université Claude Bernard, Lyon 1, 43 boulevard du 11 novembre 1918, Villeurbanne 69100, France.
Summary
Direct electrical stimulation (DES) of the brain, used clinically for nearly a century, offers invaluable scientific insights. This technique is crucial for understanding sensorimotor systems, movement, and brain function beyond basic mapping.
Area of Science:
- Neuroscience
- Neurosurgery
- Brain Mapping
Background:
- Direct electrical stimulation (DES) has been a neurosurgical tool for nearly 100 years.
- Clinical applications of DES yield significant scientific data on brain function.
- Understanding of sensorimotor systems, language, and action intentionality relies heavily on DES findings.
Purpose of the Study:
- To highlight the scientific value of data generated by clinical direct electrical stimulation (DES).
- To emphasize DES as a unique method for mapping sensorimotor pathways and studying neural populations.
- To illustrate the contribution of DES to understanding human brain organization beyond traditional concepts.
Main Methods:
- Analysis of data from nearly a century of clinical direct electrical stimulation (DES) in neurosurgery.
- Integration of DES findings with other neuroscientific approaches like electrophysiology, modeling, neuroimaging, and psychophysics.
- Utilizing DES to map sensorimotor pathways and interfere with localized neural populations during behavioral tasks.
Main Results:
- DES has been instrumental in advancing comprehension of sensorimotor systems, movement execution, and language production.
- The contribution of DES extends beyond homunculus and somatotopy concepts in human brain organization.
- DES provides a unique method for in-vivo investigation of neural population function during specific tasks.
Conclusions:
- Direct electrical stimulation (DES) is a fundamental tool for understanding the human brain.
- DES enables mapping of sensorimotor pathways and studying neural function in localized populations.
- The scientific insights from DES are critical for advancing neuroscience and our understanding of brain function.
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