Research Article
Mental Task Evaluation for Hybrid NIRS-EEG Brain-Computer Interfaces
Table 1
Questionnaire items and description based on the NASA TLX test. The first five questions were given a rating between 1 and 10.
| Dimension | Question |
| Mental demand | How mentally demanding was the task? | Temporal demand | How hurried or rushed was the pace of the task? | Performance | How successful were you in accomplishing what you were asked to do? | Effort | How hard did you have to work to accomplish your level of performance? | Frustration | How insecure, discouraged, irritated, stressed and annoyed were you? | Task ranking | Which are your preferred tasks, in order of importance? |
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