The Neuropixels 2.0 probe carries more than 5,000 recording sites and, combined…

The Neuropixels 2.0 probe carries more than 5,000 recording sites and, combined with new motion-correction algorithms, was shown across six laboratories to enable stable tracking of the same single neurons in mice and rats for more than two months of free behavior — defining the present scaling envelope for chronic mouse-cortex extracellular recording.

{
  "n": 0,
  "doi": "10.1126/science.abf4588",
  "claim": "The Neuropixels 2.0 probe carries more than 5,000 recording sites and, combined with new motion-correction algorithms, was shown across six laboratories to enable stable tracking of the same single neurons in mice and rats for more than two months of free behavior — defining the present scaling envelope for chronic mouse-cortex extracellular recording.",
  "cite_key": "Steinmetz2021",
  "evidence": "Probe + spike-sorting + motion-correction co-design; multi-lab validation (n=6 labs); >2-month chronic recording in mice and rats.",
  "effect_size": "5,000+ sites/probe; same neurons tracked >2 months across 6 labs",
  "text_access": "abstract_only",
  "study_system": "Multi-lab benchmark in mouse and rat (freely behaving)",
  "argument_role": "supporting",
  "replication_status": "multi-lab",
  "claim_source_sentence": "To address this need, we introduce the Neuropixels 2.0 probe together with newly designed analysis algorithms. The probe has more than 5000 sites and is miniaturized to facilitate chronic implants in small mammals and recording during unrestrained behavior. High-quality recordings over long time scales were reliably obtained in mice and rats in six laboratories.",
  "source_provenance_status": "non_substring_match",
  "replication_evidence_dois": [],
  "effect_size_source_sentence": "Improved site density and arrangement combined with newly created data processing methods enable automatic post hoc correction for brain movements, allowing recording from the same neurons for more than 2 months."
}

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To address this need, we introduce the Neuropixels 2.0 probe together with newly designed analysis algorithms. The probe has more than 5000 sites and is miniaturized to facilitate chronic implants in small mammals and recording during unrestrained behavior. High-quality recordings over long time scales were reliably obtained in mice and rats in six laboratories.

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