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Updated: Feb 8, 2026
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Doppler Optical Coherence Tomography of Retinal Circulation
Published on: September 18, 2012
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Reproducibility of corticokinematic coherence
Harri Piitulainen1, Mia Illman2, Kristina Laaksonen3
1Department of Neuroscience and Biomedical Engineering, Aalto University School of Science, P.O. BOX 12200, 00076 AALTO, Espoo, Finland.
Neuroimage
|July 3, 2018
Summary
Corticokinematic coherence (CKC) is reproducible across measurement sessions, showing excellent reliability for studying proprioception. This magnetoencephalography (MEG) technique can track cortical processing over time, particularly after stroke.
Area of Science:
- Neuroscience
- Biomedical Engineering
- Motor Control
Background:
- Corticokinematic coherence (CKC) links limb movement to brain activity via magnetoencephalography (MEG).
- Reproducibility of CKC across sessions is crucial for its use in longitudinal studies.
Purpose of the Study:
- To assess the inter-session reproducibility of CKC strength.
- To evaluate CKC as a tool for long-term monitoring of proprioceptive processing.
Main Methods:
- Thirteen healthy participants underwent MEG scans twice, separated by over a year.
- Finger kinematics were recorded during passive 3 Hz movements using an actuator and accelerometer.
- CKC was calculated between finger acceleration and MEG signals from contralateral Rolandic sensors.
Main Results:
- Group-level CKC strength showed no significant differences between sessions for dominant or non-dominant hands.
- Excellent inter-session reproducibility was found for CKC strength (ICC > 0.86 for both hands).
- Some individuals exhibited variability in dominant hand CKC, but overall reproducibility was high.
Conclusions:
- CKC demonstrates high inter-session reproducibility, making it a reliable tool for studying proprioception.
- CKC can be utilized in longitudinal studies to track cortical proprioceptive processing, especially in clinical populations like stroke survivors.
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