Adapting to target error without visual feedback

Brendan D. Cameron, Jarrod Blinch, Alyson Plecash, Jordan Squair, Lauren Wou, Romeo Chua

Research output: Contribution to journalArticlepeer-review


What information is necessary for the motor system to adapt its behaviour? Visual hand-to-target error provides salient information about reach performance, but can learning proceed without this information? We investigated adaptation to an unperceived target perturbation under visual open-loop conditions. Participants looked and reached, without any vision of their hand, to a target that jumped rightward at saccade onset (Perturbation condition) or remained stationary throughout the trial (Stationary condition). The target jump in the Perturbation condition was tied to the saccade, such that participants were unaware that it had occurred. Each type of exposure was followed by a posttest, in which participants reached to a target that disappeared at saccade onset. In the posttest, participants reached farther following exposure to the perturbation than they did following exposure to the stationary target, indicating that participants had learned from systematic exposure to the jump. These findings imply that online error induces motor learning, even when participants receive no visual information about their performance.

Original languageEnglish
Pages (from-to)129-135
Number of pages7
JournalActa psychologica
Issue number1
StatePublished - May 2013


  • Adaptation
  • Online control
  • Reaching
  • Saccade


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