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Sensor-level human brain activity is studied during real and imaginary motor execution using functional near-infrared spectroscopy (fNIRS). Blood oxygenation and deoxygenation spatial dynamics exhibit pronounced hemispheric lateralization when performing motor tasks with the left and right hands. This fact allowed us to reveal biomarkers of hemodynamical response of the motor cortex on the motor execution, and use them for designing a sensing method for classification of the type of movement. The recognition accuracy of real movements is close to 100%, while the classification accuracy of imaginary movements is lower but quite high (at the level of 90%). The advantage of the proposed method is its ability to classify real and imaginary movements with sufficiently high efficiency without the need for recalculating parameters. The proposed system can serve as a sensor of motor activity to be used for neurorehabilitation after severe brain injuries, including traumas and strokes.
Pubmed ID: 32326270
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The department of Neuroscience was founded in 2001, resulting from a merger between the Physiology and Anatomy department. In 2008, the BNT department joined forces. At present we consist of about 150 people. Our research is dedicated to Plasticity and Dynamics of Sensori-Motor Systems, which we investigate at the physiological, anatomical end molecular level in 18 different research groups. We have teaching responsibilities within the whole bachelor's phase of the medical curriculum at the Erasmus MC, teaching both basic anatomy and physiology, as well as neuroscience. The department hosts its own Master of Neuroscience program. The department of Neuroscience is embedded in the ONWAR, Helmholtz, and MGC research school
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