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Articles

Examination of effectiveness of kinaesthetic haptic feedback for motor imagery-based brain-computer interface training

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Pages 16-37 | Received 12 May 2020, Accepted 12 Aug 2022, Published online: 01 Sep 2022
 

ABSTRACT

Motor imagery-based brain computer interfaces (BCI) performance can be reinforced by visual presentation of feedback about the motor imagery displayed on a screen. However, to directly control robots by the BCI, a different feedback modality may be preferred. The objective of this study was to develop a BCI with kinaesthetic haptic feedback based on the detected motor imagery, and compare its performance to using visual feedback. Twelve online BCI runs with both feedback modalities were performed by ten adults without impairments, and four runs in a game-like task were performed by one adult with cerebral palsy and one child without impairments. The participants completed the BCI training with an average accuracy of 67.28 ± 11.2% for visual feedback and 75.12 ± 12.3% for kinaesthetic haptic feedback. The BCI training with kinaesthetic haptic feedback resulted in less workload and statistically higher classification accuracy than visual feedback (p = 0.03).

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This research was supported by a Collaborative Health Research Project (CHRP), a joint initiative of the National Sciences and Engineering Research Council (NSERC) and Canadian Institutes of Health Research (CIHR), and the Glenrose Foundation.

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