LFP-LOC: LFP Power-Based Method for Validating Neural Probe Placement

A method for intraoperative validation of high-density neural probe placement in rodents, leveraging local field potential (LFP) power spectral densities. The technique uses spontaneous activity recordings, applies dimensionality reduction and clustering to spectral features, and converges within approximately 20 seconds of data. It was authored by Alberto Perna and last updated on 2026-05-11.

Use Cases

• Validate anatomical placement of neural probes during surgery based on LFP power distribution.
• Refine probe location intraoperatively using clustering of spectral signatures.
• Complement histological validation of probe placement for mesoscale electrophysiological studies.

Strengths

• Method validated across multiple implant sites, probe technologies, and experimental conditions.
• Designed for high-density probes with up to 1,024 channels and sub-30 μm pitch.
• Features converge within approximately 20 seconds, enabling online intraoperative assessment.

Limitations

• Description metadata is limited; actual data quality requires manual inspection after download.
• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.

Provenance

Source

Alberto Perna via figshare

Collection Method

Likely contains processed electrophysiological recordings and analysis results.

Freshness

Last updated 2026-05-11 05:28:29; freshness should be verified.