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- Title
Cross-Modal Transfer of the Tilt Aftereffect From Vision to Touch.
- Authors
Krystallidou, Dafni; Thompson, Peter
- 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.
- Subjects
VISION; TOUCH; TACTILE sensors; VISUAL accommodation; ORIENTATION physiology
- Publication
i-Perception, 2016, Vol 7, Issue 5, p1
- ISSN
2041-6695
- Publication type
Article
- DOI
10.1177/2041669516668888