Reverse feedback induces position and orientation specific changes

Michael H Herzog, Knut R F Ewald, Frouke Hermens, Manfred Fahle

Research output: Contribution to journalArticleScientificpeer-review

23 Citations (Scopus)


To investigate the mechanisms of perceptual learning, we recently introduced a paradigm in which incorrect, reverse feedback followed after some but not all vernier presentations. This feedback paradigm exerted a strong effect on performance that seemed to bias decisions rather than to yield perceptual learning. Here, we show that observers can develop independent decision biases for different stimulus orientations as well as for different visual field positions. Our results demonstrate that the effects of incorrect, reverse feedback are surprisingly specific.

Original languageEnglish
Pages (from-to)3761-70
Number of pages10
JournalVision Research
Issue number22
Publication statusPublished - 2006
Externally publishedYes


  • Cognition
  • Cues
  • Decision Making
  • Discrimination (Psychology)
  • Feedback, Psychological
  • Humans
  • Learning
  • Orientation
  • Photic Stimulation/methods
  • Sensory Thresholds
  • Visual Fields
  • Visual Perception


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