Motor Resonance and Cortical Excitability Data from Transcranial Magnetic Stimulation

A neurophysiological study investigates the link between cortical excitation-inhibition balance and muscle-specific motor resonance during action observation. The research uses single-pulse Transcranial Magnetic Stimulation to measure Motor Evoked Potentials from the first dorsal interosseous and abductor digiti minimi muscles. Data includes corticospinal excitability indices from single-pulse, intracortical facilitation, and short-interval intracortical inhibition protocols before and after action observation tasks.

Use Cases

• Analyze correlations between pre- and post-action observation excitability measures, such as ICF and SICI, and task-related Motor Evoked Potential modulation.
• Model the relationship between GABAergic inhibition indexed by SICI and the suppression of SP-induced ADM MEPs during observation of index finger movements.
• Examine how glutamatergic facilitation indexed by ICF in the FDI muscle correlates with SP-induced FDI MEP responses during index finger observation.
• Investigate individual differences in motor resonance strength as constrained by stable excitatory-inhibitory properties measured via ICF and SICI protocols.

Strengths

• Data is derived from established neurophysiological protocols: single-pulse TMS, intracortical facilitation, and short-interval intracortical inhibition.
• Study design includes measurements from two specific hand muscles (FDI and ADM) during observation of distinct finger movements.
• Findings are published under a permissive CC BY 4.0 license, allowing for reuse and analysis.

Limitations

• The dataset is very small, consisting of a 13.8 KB DOCX file, indicating it likely contains summary results or a manuscript rather than raw tabular data.
• No raw numerical data, column definitions, or sample data are provided, limiting direct computational analysis.
• The study's participant sample size and demographic details are not specified in the provided input.

Provenance

Source

figshare, authored by Aynur Ragimova.

Collection Method

Data collected via single-pulse Transcranial Magnetic Stimulation during an action observation task involving video stimuli of finger movements.

Freshness

Last updated on 2026-03-23.