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Does Training on Broad Band Tactile Stimulation Promote the Generalization of Perceptual Learning?

de Larrea-Mancera, ESL; Dempsey-Jones, H; Makin, TR; Seitz, A; (2019) Does Training on Broad Band Tactile Stimulation Promote the Generalization of Perceptual Learning? In: Torresen, Jim and Dautenhahn, Kerstin, (eds.) Proceedings of the 2019 Joint IEEE 9th International Conference on Development and Learning and Epigenetic Robotics (ICDL-EpiRob). (pp. pp. 234-239). IEEE: Oslo, Norway, Norway. Green open access

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Abstract

Given the clear role of sensory feedback in successful motor control, there is a growing interest in integrating substitutionary tactile feedback into robotic limb devices. To enhance the utility of such feedback, here we investigate how to best improve the limited generalization of tactile learning across body parts and stimulus properties. Specifically, we sought to understand how perceptual learning with different types of tactile stimuli may give rise to different patterns of learning generalization. To address this, we utilized vibro-tactile effectors to present patterns of stimulation in a match-to-sample paradigm. One group of participants trained on narrow-band stimulation consisting of simple sinusoidal vibrations, and the other on broad-band stimulation generated from music. We hypothesized that training on broad-band tactile stimulation would promote greater generalization of learning outcomes. We found training with broad-band stimuli generalized to underlying stimulus features of frequency discrimination but showed weaker generalization to un-trained digits. This study provides a first step towards devising perceptual learning paradigms that will generalize broadly to the untrained perceptual contexts.

Type: Proceedings paper
Title: Does Training on Broad Band Tactile Stimulation Promote the Generalization of Perceptual Learning?
Event: 9th Joint IEEE International Conference on Development and Learning and on Epigenetic Robotics (ICDL-EPIROB 2019), 19-22 August, Oslo, Norway
Location: Oslo, Norway
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/DEVLRN.2019.8850704
Publisher version: https://doi.org/10.1109/DEVLRN.2019.8850704
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: perceptual learning, tactile perception, specificity and generalization of learning, broad-band stimulation, learning transfer
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Institute of Cognitive Neuroscience
URI: https://discovery.ucl.ac.uk/id/eprint/10077614
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