Cross-modal perceptual learning as demonstrated in dyslexics

Gadi Geiger, M. L. Lorusso, S. Pesenti, A. Facoetti, C. Cattaneo, J. Lettvin

Research output: Contribution to journalArticle

Abstract

Complex task performance characteristically involves multiple-modal sensory perception. Would the learning of a new task by visual and visuomotor practice also results in improved performance in the auditory-phonemic modality? Dyslexics (one group of 14 adults and another of 17 children) who were impaired in reading and phonemic abilities, were characterized by a wide region of visual attention. They practiced a regimen comprised of novel hand-eye coordination tasks (art work and the like) and reading single words with a mask (a small window in a blank sheet), together for 50 minutes to 2 hours per day over 4 to 8 months. As a result of the practice the dyslexics learned a new perceptual strategy, which was expressed by narrowing the region of visual attention and concurrently improved reading significantly. Tests of auditory-phonemic skills and reading of nonsense words (considered as a measure for phonemic awareness) also showed a significant improvement although auditory-phonemic practice was not included in the regimen. This improvement of the psycho-auditory skill as a consequence of a regimen, which includes only hand-eye coordination practice together with visual recognition of single words, indicates close cross-modal interactions. That suggests two possibilities. Either a strategy is sensory-modality specific, and once it is learned by that modality there can be a "spill-over" to other modalities by association. Or, there is a general perceptual strategy which governs perception, i.e. once a strategy is learned in one sensory modality it is learned for other modalities.

Original languageEnglish
JournalJournal of Vision
Volume1
Issue number3
DOIs
Publication statusPublished - 2001

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Reading
Learning
Hand
Aptitude
Task Performance and Analysis
Art
Masks
Practice (Psychology)

ASJC Scopus subject areas

  • Ophthalmology

Cite this

Geiger, G., Lorusso, M. L., Pesenti, S., Facoetti, A., Cattaneo, C., & Lettvin, J. (2001). Cross-modal perceptual learning as demonstrated in dyslexics. Journal of Vision, 1(3). https://doi.org/10.1167/1.3.249

Cross-modal perceptual learning as demonstrated in dyslexics. / Geiger, Gadi; Lorusso, M. L.; Pesenti, S.; Facoetti, A.; Cattaneo, C.; Lettvin, J.

In: Journal of Vision, Vol. 1, No. 3, 2001.

Research output: Contribution to journalArticle

Geiger, G, Lorusso, ML, Pesenti, S, Facoetti, A, Cattaneo, C & Lettvin, J 2001, 'Cross-modal perceptual learning as demonstrated in dyslexics', Journal of Vision, vol. 1, no. 3. https://doi.org/10.1167/1.3.249
Geiger, Gadi ; Lorusso, M. L. ; Pesenti, S. ; Facoetti, A. ; Cattaneo, C. ; Lettvin, J. / Cross-modal perceptual learning as demonstrated in dyslexics. In: Journal of Vision. 2001 ; Vol. 1, No. 3.
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