Stroboscopic vision and sustained attention during coincidence-anticipation
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We compared coincidence-anticipation performance in normal vision and stroboscopic vision as a function of time-on-task. Participants estimated the arrival time of a real object that moved with constant acceleration (−0.7, 0, +0.7 m/s2) in a pseudo-randomised order across 4 blocks of 30 trials in both vision conditions, received in a counter-balanced order. Participants (n = 20) became more errorful (accuracy and variability) in the normal vision condition as a function of time-on-task, whereas performance was maintained in the stroboscopic vision condition. We interpret these data as showing that participants failed to maintain coincidence-anticipation performance in the normal vision condition due to monotony and attentional underload. In contrast, the stroboscopic vision condition placed a greater demand on visual-spatial memory for motion extrapolation, and thus participants did not experience the typical vigilance decrement in performance. While short-term adaptation effects from practicing in stroboscopic vision are promising, future work needs to consider for how long participants can maintain effortful processing, and whether there are negative carry-over effects from cognitive fatigue when transferring to normal vision.
Ballester , R , Huertas , F , Uji , M & Bennett , S 2017 , ' Stroboscopic vision and sustained attention during coincidence-anticipation ' Scientific Reports , vol 7 , 17898 . DOI: 10.1038/s41598-017-18092-5
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This research was supported by a Spanish Ministerio de Educación y Cultura (https://sede.educacion.gob.es) predoctoral grant (FPU13-05605) to R.B and project research grants: Junta de Andalucia Proyecto de Excelencia (SEJ-6414), Ministerio de Economía y Competitividad (PSI2013-46385) to FH.
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