Visuo-spatial imagery in dreams of congenitally and early blind: a systematic review.
congenitally blind
cross-modal plasticity
dreams
metamodal brain
visuo-spatial imagery
Journal
Frontiers in integrative neuroscience
ISSN: 1662-5145
Titre abrégé: Front Integr Neurosci
Pays: Switzerland
ID NLM: 101477950
Informations de publication
Date de publication:
2023
2023
Historique:
received:
11
04
2023
accepted:
19
06
2023
medline:
17
7
2023
pubmed:
17
7
2023
entrez:
17
7
2023
Statut:
epublish
Résumé
The presence of visual imagery in dreams of congenitally blind people has long been a matter of substantial controversy. We set to systematically review body of published work on the presence and nature of oneiric visuo-spatial impressions in congenitally and early blind subjects across different areas of research, from experimental psychology, functional neuroimaging, sensory substitution, and sleep research. Relevant studies were identified using the following databases: EMBASE, MEDLINE and PsychINFO. Studies using diverse imaging techniques and sensory substitution devices broadly suggest that the "blind" occipital cortex may be able to integrate non-visual sensory inputs, and thus possibly also generate visuo-spatial impressions. Visual impressions have also been reported by blind subjects who had near-death or out-of-body experiences. Deciphering the mechanistic nature of these visual impression could open new possibility in utilization of neuroplasticity and its potential role for treatment of neurodisability.
Sections du résumé
Background
UNASSIGNED
The presence of visual imagery in dreams of congenitally blind people has long been a matter of substantial controversy. We set to systematically review body of published work on the presence and nature of oneiric visuo-spatial impressions in congenitally and early blind subjects across different areas of research, from experimental psychology, functional neuroimaging, sensory substitution, and sleep research.
Methods
UNASSIGNED
Relevant studies were identified using the following databases: EMBASE, MEDLINE and PsychINFO.
Results
UNASSIGNED
Studies using diverse imaging techniques and sensory substitution devices broadly suggest that the "blind" occipital cortex may be able to integrate non-visual sensory inputs, and thus possibly also generate visuo-spatial impressions. Visual impressions have also been reported by blind subjects who had near-death or out-of-body experiences.
Conclusion
UNASSIGNED
Deciphering the mechanistic nature of these visual impression could open new possibility in utilization of neuroplasticity and its potential role for treatment of neurodisability.
Identifiants
pubmed: 37457556
doi: 10.3389/fnint.2023.1204129
pmc: PMC10347682
doi:
Types de publication
Journal Article
Review
Langues
eng
Pagination
1204129Subventions
Organisme : Wellcome Trust
Pays : United Kingdom
Informations de copyright
Copyright © 2023 Ilic, Bertani, Lapteva, Drakatos, Delogu, Raheel, Soteriou, Mutti, Steier, Carmichael, Goadsby, Ockelford and Rosenzweig.
Déclaration de conflit d'intérêts
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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