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Psychological predictors of SMR-BCI performance

Hammer, Eva Maria ; Halder, Sebastian ; Blankertz, Benjamin ; Sannelli, Claudia ; Dickhaus, Thorsten ; Kleih, Sonja ; Müller, Klaus-Robert ; Kübler, Andrea

Biological Psychology, January 2012, Vol.89(1), pp.80-86 [Tạp chí có phản biện]

ISSN: 0301-0511 ; DOI: 10.1016/j.biopsycho.2011.09.006

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  • Nhan đề:
    Psychological predictors of SMR-BCI performance
  • Tác giả: Hammer, Eva Maria ; Halder, Sebastian ; Blankertz, Benjamin ; Sannelli, Claudia ; Dickhaus, Thorsten ; Kleih, Sonja ; Müller, Klaus-Robert ; Kübler, Andrea
  • Chủ đề: Brain–Computer Interfaces ; Sensorimotor Rhythms ; Predictors
  • Là 1 phần của: Biological Psychology, January 2012, Vol.89(1), pp.80-86
  • Mô tả: Highlights► Fine motor skills predict SMR-BCI performance. ► The amount of concentration predicts SMR-BCI performance. ► Biological, psychological and physiological factors lead to an explanation of 30% of the variance in SMR-BCI performance. BackgroundAfter about 30 years of research on Brain–Computer Interfaces (BCIs) there is little knowledge about the phenomenon, that some people - healthy as well as individuals with disease – are not able to learn BCI-control. To elucidate this “BCI-inefficiency” phenomenon, the current study investigated whether psychological parameters, such as attention span, personality or motivation, could predict performance in a single session with a BCI controlled by modulation of sensorimotor rhythms (SMR) with motor imagery. MethodsA total of N=83 healthy BCI novices took part in the session. Psychological parameters were measured with an electronic test-battery including clinical, personality and performance tests. Predictors were determined by binary logistic regression analyses. ResultsThe output variable of the Two-Hand Coordination Test (2HAND) “overall mean error duration” which is a measure for the accuracy of fine motor skills accounted for 11% of the variance in BCI-inefficiency. The Attitudes Towards Work (AHA) test variable “performance level” which can be interpreted as a degree of concentration and a neurophysiological SMR predictor were also identified as significant predictors of SMR BCI performance. ConclusionPsychological parameters as measured in this study play a moderate role for one-session performance in a BCI controlled by modulation of SMR.
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0301-0511 ; DOI: 10.1016/j.biopsycho.2011.09.006

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