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Novel flexible cap for application of transcranial electrical stimulation: a usability study
Alexander Hunold1, Daniela Ortega2,3, Klaus Schellhorn4
1Institute of Biomedical Engineering and Informatics, Technische Universität Ilmenau, 98693, Ilmenau, Germany. alexander.hunold@tu-ilmenau.de.
A new flexible cap with integrated textile electrodes significantly improves transcranial electrical stimulation (tES) usability and reliability compared to conventional rubber electrodes. This innovation enhances electrode placement accuracy and participant comfort for tES applications.
Area of Science:
- Neuroscience
- Biomedical Engineering
Background:
- Conventional transcranial electrical stimulation (tES) uses rubber electrodes, which are difficult to apply, prone to errors, and uncomfortable.
- Current methods limit the number of electrodes and are burdensome for users and participants.
Purpose of the Study:
- To compare the usability and reliability of a novel flexible cap with integrated textile electrodes against the traditional rubber electrode setup for tES.
- To assess electrode placement accuracy, impedance, and subjective user/participant experience.
Main Methods:
- A flexible cap with integrated textile electrodes and a conventional rubber electrode setup were tested.
- Two operators applied both setups to 20 healthy volunteers.
- Data collected included electrode position, impedance, and subjective feedback from operators and participants.
Main Results:
- The flexible cap demonstrated significantly higher electrode configuration reproducibility.
- Application of the flexible cap was more efficient.
- Operators and volunteers reported the flexible cap as easier to use and more comfortable.
Conclusions:
- The novel flexible cap offers superior usability and reliability for tES compared to conventional methods.
- This advancement improves current tES applications and enables new possibilities for tES use.
