August 2009
Volume 9, Issue 8
Vision Sciences Society Annual Meeting Abstract  |   August 2009
A window into behavioural strategies used in visuomotor adaptation
Author Affiliations
  • Jane Lawrence
    Department of Psychology, University of Manitoba
  • Lee Baugh
    Department of Psychology, University of Manitoba
  • Jonathan Marotta
    Department of Psychology, University of Manitoba
Journal of Vision August 2009, Vol.9, 1110. doi:
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      Jane Lawrence, Lee Baugh, Jonathan Marotta; A window into behavioural strategies used in visuomotor adaptation. Journal of Vision 2009;9(8):1110.

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      © ARVO (1962-2015); The Authors (2016-present)

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Our lab has previously demonstrated that the computer-based Viewing Window task is useful for investigating the interactions between action and perception (Baugh and Marotta, 2007). During the task participants identify blurred images by controlling a small window through which they can see part of the image clearly. Past research has used manipulation of the relationship between the participant's action and resulting viewing window movement to investigate visuomotor adaptation. However, only large distortions apparent to the participant have been used. In daily life, we frequently make subtle adjustments that are performed without our awareness. We hypothesized that by altering viewing window control with subtle, gradual changes we could also elicit non-conscious adaptation. In the present study the first 10 trials (pre-measures) of the Viewing Window task were performed using normal control followed by 61 experimental trials during which control changed by either: 1. large jumps to −22.5° and −45° (sudden condition), or 2. small changes of -0.73° during each trial to a maximum of −45° (gradual condition). The Viewing Window then returned to normal control for 10 trials (post measures). Scan paths of movement revealed more complex pathways during the sudden condition compared to the gradual condition. Additionally, a significant interaction between the rotation condition and the time spent on/off the object during the pre- and post-distortion trials was found. Both groups demonstrated greater time spent scanning areas off of the object once viewing window control returned to normal. However, this effect was larger in the gradual rotation group indicating larger after-effects. The results of this study demonstrate that the Viewing Window task can be used to elicit two common strategies of visual motor adaptation and can therefore provide a tool to investigate neural networks underlying conscious and non-conscious visual motor adaptation.

Lawrence, J. Baugh, L. Marotta, J. (2009). A window into behavioural strategies used in visuomotor adaptation [Abstract]. Journal of Vision, 9(8):1110, 1110a,, doi:10.1167/9.8.1110. [CrossRef]

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