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Physiotherapist assisted wrist movement protocol for EEG-based corticokinematic coherence assessment
Fanni Kovács1,2,3, Adél Ernhaft4, Gábor Fazekas4,5
1Institute of Cognitive Neuroscience and Psychology, HUN-REN Research Centre for Natural Sciences, Budapest, Hungary. kovacs.fanni.dora@ttk.hu.
Scientific Reports
|September 26, 2025
Summary
Researchers found that a physiotherapist-guided wrist movement protocol using electroencephalography (EEG) is feasible for measuring corticokinematic coherence (CKC). This method shows promise for assessing proprioception in clinical settings.
Area of Science:
- Neuroscience
- Rehabilitation Science
- Biomedical Engineering
Background:
- Corticokinematic coherence (CKC) reflects sensorimotor integration.
- Assessing proprioceptive function is crucial for neurological rehabilitation.
- Current methods may lack adaptability and natural interaction.
Purpose of the Study:
- To assess the feasibility of a physiotherapist-assisted wrist movement protocol for measuring CKC.
- To evaluate CKC as a potential clinical tool for proprioceptive assessment.
- To explore EEG-based movement analysis in a naturalistic setting.
Main Methods:
- Thirty-two healthy adults performed a hand movement task guided by a physiotherapist and a visual metronome.
- Electroencephalography (EEG) and hand acceleration data were co-recorded.
- CKC was analyzed at the fundamental movement frequency and its first harmonic.
Main Results:
- CKC was successfully measured, primarily over the contralateral sensorimotor cortex.
- A visual metronome aided movement regularity, though minor between-hand differences persisted.
- The protocol demonstrated feasibility and supported the use of EEG for movement analysis.
Conclusions:
- A physiotherapist-assisted, wrist-movement EEG protocol is feasible for CKC measurement.
- This approach offers a promising, adaptable method for clinical proprioceptive assessment.
- Findings support future applications in stroke rehabilitation and neurological contexts.
