Symmetry Detection in Visual Impairment: Behavioral Evidence and Neural Correlates
Bilateral symmetry is an extremely salient feature for the human visual system. An interesting issue is whether the perceptual salience of symmetry is rooted in normal visual development. In this review, we discuss empirical work on visual and tactile symmetry detection in normally sighted and visua...
| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2014-05-01
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| Series: | Symmetry |
| Subjects: | |
| Online Access: | http://www.mdpi.com/2073-8994/6/2/427 |
| _version_ | 1811184183655006208 |
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| author | Zaira Cattaneo Silvia Bona Corinna Bauer Juha Silvanto Andrew M. Herbert Tomaso Vecchi Lotfi B. Merabet |
| author_facet | Zaira Cattaneo Silvia Bona Corinna Bauer Juha Silvanto Andrew M. Herbert Tomaso Vecchi Lotfi B. Merabet |
| author_sort | Zaira Cattaneo |
| collection | DOAJ |
| description | Bilateral symmetry is an extremely salient feature for the human visual system. An interesting issue is whether the perceptual salience of symmetry is rooted in normal visual development. In this review, we discuss empirical work on visual and tactile symmetry detection in normally sighted and visually impaired individuals. On the one hand, available evidence suggests that efficient visual symmetry detection may need normal binocular vision development. On the other hand, converging evidence suggests that symmetry can develop as a principle of haptic perceptual organization in individuals lacking visual experience. Certain features of visual symmetry detection, however, such as the higher salience of the patterns containing a vertical axis of symmetry, do not systematically apply to the haptic modality. The neural correlates (revealed with neuroimaging) associated with visual and haptic symmetry detection are also discussed. |
| first_indexed | 2024-04-11T13:08:43Z |
| format | Article |
| id | doaj.art-de7abf3b7f3d4d0ea6ca08f9d3f38b15 |
| institution | Directory Open Access Journal |
| issn | 2073-8994 |
| language | English |
| last_indexed | 2024-04-11T13:08:43Z |
| publishDate | 2014-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Symmetry |
| spelling | doaj.art-de7abf3b7f3d4d0ea6ca08f9d3f38b152022-12-22T04:22:39ZengMDPI AGSymmetry2073-89942014-05-016242744310.3390/sym6020427sym6020427Symmetry Detection in Visual Impairment: Behavioral Evidence and Neural CorrelatesZaira Cattaneo0Silvia Bona1Corinna Bauer2Juha Silvanto3Andrew M. Herbert4Tomaso Vecchi5Lotfi B. Merabet6Department of Psychology, University of Milano-Bicocca, 20126 Milano, ItalyBrain Research Unit, OV Lounasmaa Laboratory, Aalto University School of Science, 02150 Espoo, FinlandLaboratory for Visual Neuroplasticity, Department of Ophthalmology, Massachusetts Eye and Ear Infirmary Harvard Medical School, Boston, MA 02115, USABrain Research Unit, OV Lounasmaa Laboratory, Aalto University School of Science, 02150 Espoo, FinlandDepartment of Psychology, Rochester Institute of Technology, Rochester, NY 14623, USABrain Connectivity Center, National Neurological Institute C. Mondino, 27100 Pavia, ItalyLaboratory for Visual Neuroplasticity, Department of Ophthalmology, Massachusetts Eye and Ear Infirmary Harvard Medical School, Boston, MA 02115, USABilateral symmetry is an extremely salient feature for the human visual system. An interesting issue is whether the perceptual salience of symmetry is rooted in normal visual development. In this review, we discuss empirical work on visual and tactile symmetry detection in normally sighted and visually impaired individuals. On the one hand, available evidence suggests that efficient visual symmetry detection may need normal binocular vision development. On the other hand, converging evidence suggests that symmetry can develop as a principle of haptic perceptual organization in individuals lacking visual experience. Certain features of visual symmetry detection, however, such as the higher salience of the patterns containing a vertical axis of symmetry, do not systematically apply to the haptic modality. The neural correlates (revealed with neuroimaging) associated with visual and haptic symmetry detection are also discussed.http://www.mdpi.com/2073-8994/6/2/427symmetry detectionblindvisual impairmenthapticplasticity |
| spellingShingle | Zaira Cattaneo Silvia Bona Corinna Bauer Juha Silvanto Andrew M. Herbert Tomaso Vecchi Lotfi B. Merabet Symmetry Detection in Visual Impairment: Behavioral Evidence and Neural Correlates Symmetry symmetry detection blind visual impairment haptic plasticity |
| title | Symmetry Detection in Visual Impairment: Behavioral Evidence and Neural Correlates |
| title_full | Symmetry Detection in Visual Impairment: Behavioral Evidence and Neural Correlates |
| title_fullStr | Symmetry Detection in Visual Impairment: Behavioral Evidence and Neural Correlates |
| title_full_unstemmed | Symmetry Detection in Visual Impairment: Behavioral Evidence and Neural Correlates |
| title_short | Symmetry Detection in Visual Impairment: Behavioral Evidence and Neural Correlates |
| title_sort | symmetry detection in visual impairment behavioral evidence and neural correlates |
| topic | symmetry detection blind visual impairment haptic plasticity |
| url | http://www.mdpi.com/2073-8994/6/2/427 |
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