Reverse feedback induces position and orientation specific changes

Michael H Herzog; K R F Ewald; Frouke Hermens; Manfred Fahle

doi:10.1016/j.visres.2006.04.024

Reverse feedback induces position and orientation specific changes

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

Psychology

Research output: Contribution to journal › Article › peer-review

23 Citations (Scopus)

Abstract

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. (c) 2006 Elsevier Ltd. All rights reserved

Original language	English
Pages (from-to)	3761-3770
Journal	Vision Research
Volume	46
Issue number	22
DOIs	https://doi.org/10.1016/j.visres.2006.04.024
Publication status	Published - Oct 2006

Keywords

perceptual learning
decision theory
verniers

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10.1016/j.visres.2006.04.024

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abstract = "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. (c) 2006 Elsevier Ltd. All rights reserved",

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AU - Herzog, Michael H

AU - Ewald, K R F

AU - Hermens, Frouke

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N2 - 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. (c) 2006 Elsevier Ltd. All rights reserved

AB - 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. (c) 2006 Elsevier Ltd. All rights reserved

KW - perceptual learning

KW - decision theory

KW - verniers

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DO - 10.1016/j.visres.2006.04.024

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VL - 46

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JO - Vision Research

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ER -

Reverse feedback induces position and orientation specific changes

Abstract

Keywords

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