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Large-scale high-density brain-wide neural recording in nonhuman primates
Eric M Trautmann1,2,3,4,5, Janis K Hesse6, Gabriel M Stine7,8
1Department of Neuroscience, Columbia University Medical Center, New York, NY, USA. etrautmann@gmail.com.
Nature Neuroscience
|June 23, 2025
Summary
Neuropixels 1.0 NHP probes enable large-scale neural recordings in nonhuman primates. This technology advances neuroscience research by allowing detailed brain mapping and multi-area recordings at unprecedented scale.
Area of Science:
- Neuroscience
- Bioengineering
- Electrophysiology
Background:
- High-density silicon probes have revolutionized neuroscience research.
- Existing technologies offer limited functionality for nonhuman primate (NHP) studies.
- There is a need for advanced tools to study large animal brains.
Purpose of the Study:
- To describe the design, fabrication, and performance of Neuropixels 1.0 NHP.
- To enable large-scale acute neural recordings throughout NHP brains.
- To overcome limitations of current electrophysiological tools in NHP research.
Main Methods:
- Design and fabrication of a novel high-channel electrode array (Neuropixels 1.0 NHP).
- Utilizing 4,416 recording sites distributed along a 45-mm shank.
- Programmable selection of 384 recording channels for flexible experimental design.
Main Results:
- Successful implementation of Neuropixels 1.0 NHP for large-scale acute recordings in NHPs.
- Demonstrated simultaneous multi-area recording from thousands of neurons.
- Achieved single-neuron and single-spike resolution for electrophysiological mapping.
Conclusions:
- Neuropixels 1.0 NHP significantly enhances scalability and recording access in NHP neuroscience.
- This technology enables new experimental paradigms, including brain-wide recordings and spike-spike correlation analysis.
- The developed probe advances the study of complex neural circuits in large animal models.
