Spontaneous eyeblinks are sensitive to sequential learning

The present study provides evidence that eyeblink rate may represent a valid indirect psychophysiological correlate of dopaminergic activity coupled to sequential learning

Estibaliz San Anton

2018

Scholarcy highlights

  • Sequencing actions and perceptions is one of the most fundamental skills in everyday cognitive processing
  • eyeblink rate, taken as an indirect marker of dopaminergic activity, was investigated in two resting state conditions, both before and after visuomotor sequence learning in a serial reaction time task and during task practice
  • We tentatively hypothesized that, in addition to their online version, spontaneous EBR recorded during the pre- and postlearning resting sessions might be predictive of the SRT learning curve, the magnitude of the transfer effects, and performance in the generation task
  • In line with our hypothesis that EBR reflects dopaminergic activity associated with sequential learning, we observed increased EBR in random trials as well as when the second transfer block occurred at the end of the learning session
  • The present study provides evidence that EBR may represent a valid indirect psychophysiological correlate of dopaminergic activity coupled to sequential learning
  • An extensive survey of the literature has shown that spontaneous eyeblinks might be an indirect and relevant marker of dopaminergic activity associated to a panel of cognitive functions such as attention, flexibility or inhibition
  • 1 Present address: Faculté des Sciences Psychologiques et de l’Éducation, Université Libre de Bruxelles, Campus du Solbosch, CP191 Avenue F.D. Roosevelt 50, B1050

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