Cross-Modal Transfer of the Tilt Aftereffect From Vision to Touch

Peter Gage Thompson; Dafni Krystallidou

doi:10.1177/2041669516668888

Cross-Modal Transfer of the Tilt Aftereffect From Vision to Touch

Peter Gage Thompson, Dafni Krystallidou

Psychology

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

Abstract

Visual input powerfully modulates the dynamics of tactile orientation perception. This study
investigated the transfer of the tilt aftereffect (TAE) from vision to somatosensation. In a visual
tilt adaptation paradigm, participants were exposed to clockwise or anticlockwise visual tilt,
followed by three brief tactile two-point stimuli delivered on their forehead. In a twoalternative
forced choice task, participants had to indicate whether the haptic stimulus was
tilted to the right or left. Repeated exposure to oriented visual gratings produced a tactile TAE,
such that the subsequent tactile stimuli appeared tilted toward the opposite direction. To assess
the origin of this effect, the experiment was repeated with the head tilted. Adaptation to a
gravitationally tilted grating but with the head tilted so that the grating was retinally vertical
induced a robust tactile aftereffect suggesting that the visuotactile TAE is due to spatiotopic
rather than retinotopic adaptation.

Original language	English
Pages (from-to)	1-10
Number of pages	10
Journal	i-Perception
Volume	7
Issue number	5
DOIs	https://doi.org/10.1177/2041669516668888
Publication status	Published - 3 Oct 2016

Bibliographical note

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10.1177/2041669516668888Licence: CC BY

i-Perception-2016-Krystallidou-
© The Author(s) 2016.
Final published version, 449 KBLicence: CC BY

Cite this

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title = "Cross-Modal Transfer of the Tilt Aftereffect From Vision to Touch",

abstract = "Visual input powerfully modulates the dynamics of tactile orientation perception. This studyinvestigated the transfer of the tilt aftereffect (TAE) from vision to somatosensation. In a visualtilt adaptation paradigm, participants were exposed to clockwise or anticlockwise visual tilt,followed by three brief tactile two-point stimuli delivered on their forehead. In a twoalternativeforced choice task, participants had to indicate whether the haptic stimulus wastilted to the right or left. Repeated exposure to oriented visual gratings produced a tactile TAE,such that the subsequent tactile stimuli appeared tilted toward the opposite direction. To assessthe origin of this effect, the experiment was repeated with the head tilted. Adaptation to agravitationally tilted grating but with the head tilted so that the grating was retinally verticalinduced a robust tactile aftereffect suggesting that the visuotactile TAE is due to spatiotopicrather than retinotopic adaptation.",

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AB - Visual input powerfully modulates the dynamics of tactile orientation perception. This studyinvestigated the transfer of the tilt aftereffect (TAE) from vision to somatosensation. In a visualtilt adaptation paradigm, participants were exposed to clockwise or anticlockwise visual tilt,followed by three brief tactile two-point stimuli delivered on their forehead. In a twoalternativeforced choice task, participants had to indicate whether the haptic stimulus wastilted to the right or left. Repeated exposure to oriented visual gratings produced a tactile TAE,such that the subsequent tactile stimuli appeared tilted toward the opposite direction. To assessthe origin of this effect, the experiment was repeated with the head tilted. Adaptation to agravitationally tilted grating but with the head tilted so that the grating was retinally verticalinduced a robust tactile aftereffect suggesting that the visuotactile TAE is due to spatiotopicrather than retinotopic adaptation.

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