Cited by 148Tactile and Sensory InteractionsMultisensory perception and integrationVisual perception and processing mechanisms

Occipital Activation by Pattern Recognition in the Early Blind Using Auditory Substitution for Vision

Arno, Patricia, De Volder, Anne G., Vanlierde, Annick, Wanet-Defalque, Marie-Chantal, Streel, Emmanuel, Robert, Annie, Sanabria-Bohórquez, Sandra, Veraart, Claude·2001·NeuroImage

Abstract

This PET study aimed at investigating the neural structures involved in pattern recognition in early blind subjects using sensory substitution equipment (SSE). Six early blind and six blindfolded sighted subjects were studied during three auditory processing tasks: a detection task with noise stimuli, a detection task with familiar sounds, and a pattern recognition task using the SSE. The results showed a differential activation pattern with the SSE as a function of the visual experience: in addition to the regions involved in the recognition process in sighted control subjects, occipital areas of early blind subjects were also activated. The occipital activation was more important when the early blind subjects used SSE than during the other auditory tasks. These results suggest that activity of the extrastriate visual cortex of early blind subjects can be modulated and bring additional evidence that early visual deprivation leads to cross-modal cerebral reorganization.

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Crossref · 10.1006/nimg.2000.0731

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  • Arno et al. (2001) found visual cortex of early blind was more activated during pattern recognition both before and after training than during two auditory processing tasks.

    “The visual cortex of the early blind was more activated during pattern recognition both before and after training, where participants learned to move a pen on a graphic tablet to scan patterns presented on a monitor, than during two auditory processing tasks: a detection task with noise stimuli and a detection task with familiar sounds.”

    From Designing sensory-substitution devices: Principles, pitfalls and potential1 (2016) · cites this paper as Arno et al. (2001)

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Authors
Arno, P., De Volder, A. G., Vanlierde, A., Wanet-Defalque, M.-C., Streel, E., Robert, A., Sanabria-Bohórquez, S., & Veraart, C.
Affiliations
UCLouvain (BE)
Venue
NeuroImage
Publisher
Elsevier BV
Published
2001-04
Volume
13
Issue
4
Pages
632-645
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2033971692
Cited by
148
References
55
Citations by year
2025: 1 · 2024: 1 · 2023: 4 · 2021: 4 · 2020: 4 · 2019: 4 · 2018: 7 · 2017: 6 · 2016: 3 · 2015: 9 · 2014: 9 · 2013: 7 · 2012: 8
FWCI
2.78
Type
journal article
Language
en
Open access
closed
Locations
  • NeuroImage (publishedVersion)
  • PubMed (publishedVersion)
  • Digital Access to Libraries (Université catholique de Louvain (UCL), l'Université de Namur (UNamur) and the Université Saint-Louis (USL-B)) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
Keywords
early blindness, sensory substitution, pattern recognition, occipital cortex, extrastriate cortex, cross-modal plasticity, visual deprivation, auditory processing, brain activation
MeSH terms
Acoustic Stimulation, Adult, Auditory Perception, Blindness, Brain Mapping, Humans, Male, Memory, Middle Aged, Neuronal Plasticity, Occipital Lobe, Reference Values, Sensory Deprivation, Sound, Tomography, Emission-Computed

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