Academic Journal
Poor resolution at the back of the tongue is the bottleneck for spatial pattern recognition.
| Τίτλος: | Poor resolution at the back of the tongue is the bottleneck for spatial pattern recognition. |
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| Συγγραφείς: | Pamir Z; The Schepens Eye Research Institute of Mass. Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA. zahide_pamir@meei.harvard.edu., Canoluk MU; The Schepens Eye Research Institute of Mass. Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA., Jung JH; The Schepens Eye Research Institute of Mass. Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA., Peli E; The Schepens Eye Research Institute of Mass. Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, MA, USA. |
| Πηγή: | Scientific reports [Sci Rep] 2020 Feb 12; Vol. 10 (1), pp. 2435. Date of Electronic Publication: 2020 Feb 12. |
| Τύπος έκδοσης: | Journal Article; Research Support, N.I.H., Extramural; Research Support, U.S. Gov't, Non-P.H.S. |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: London : Nature Publishing Group, copyright 2011- |
| Ιατρικοί όροι (MeSH): | Blindness*/therapy , Pattern Recognition, Physiological*, Tongue/*physiology, Adult ; Female ; Humans ; Male ; Middle Aged ; Spatial Behavior ; Touch |
| Περίληψη: | Spatial patterns presented on the tongue using electro-tactile sensory substitution devices (SSDs) have been suggested to be recognized better by tracing the pattern with the tip of the tongue. We examined if the functional benefit of tracing is overcoming the poor sensitivity or low spatial resolution at the back of the tongue or alternatively compensating for limited information processing capacity by fixating on a segment of the spatial pattern at a time. Using a commercially available SSD, the BrainPort, we compared letter recognition performance in three presentation modes; tracing, static, and drawing. Stimulation intensity was either constant or increased from the tip to the back of the tongue to partially compensate for the decreasing sensitivity. Recognition was significantly better for tracing, compared to static and drawing conditions. Confusion analyses showed that letters were confused based on their characteristics presented near the tip in static and drawing conditions. The results suggest that recognition performance is limited by the poor spatial resolution at the back of the tongue, and tracing seems to be an effective strategy to overcome this. Compensating for limited information processing capacity or poor sensitivity by drawing or increasing intensity at the back, respectively, does not improve the performance. |
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| Grant Information: | P30 EY003790 United States EY NEI NIH HHS |
| Entry Date(s): | Date Created: 20200214 Date Completed: 20201112 Latest Revision: 20231113 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC7015888 |
| DOI: | 10.1038/s41598-020-59102-3 |
| PMID: | 32051455 |
| Βάση Δεδομένων: | MEDLINE |
| ISSN: | 2045-2322 |
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| DOI: | 10.1038/s41598-020-59102-3 |