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Updated: Aug 7, 2026
Recording and Analyzing Multimodal Large-Scale Neuronal Ensemble Dynamics on CMOS-Integrated High-Density Microelectrode Array
Published on: March 8, 2024
Stimulation modulates gene-linked cell assemblies in the human brain
Haley Moore1,2,3, Mantre Dehnad1,3, Anne Freelin3,4
1Department of Neuroscience, University of Texas Southwestern Medical Center, Dallas, TX, USA.
This study reveals how brain stimulation reshapes neural circuits and identifies specific gene networks involved. These findings pave the way for new neuromodulation therapies targeting cognitive function restoration.
Area of Science:
- Neuroscience
- Genomics
- Biotechnology
Background:
- Neuromodulation via brain stimulation is a promising therapy for cognitive dysfunction.
- The underlying biological mechanisms in humans are not well understood.
Purpose of the Study:
- To investigate the mechanisms of human brain stimulation.
- To link stimulation-induced physiological changes to cell-type-specific gene expression.
Main Methods:
- Developed an ex vivo platform combining microelectrode array stimulation with single-nucleus genomics.
- Used human temporal cortex resections from neurosurgery patients.
- Performed in vivo stimulation in humans.
Main Results:
- Brain stimulation strengthens neural cell assemblies.
- Identified cell-type-specific gene regulatory networks associated with stimulation.
- Found common gene expression signatures in human cortex after in vivo stimulation.
Conclusions:
- Established a foundation for understanding neuromodulation mechanisms.
- Identified targetable genetic signatures linked to physiological effects.
- Suggests potential for therapeutic benefit through neuromodulation strategies.
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