Computational Intelligence and Neuroscience / 2017 / Article / Tab 1

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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