Congenital blindness leads to enhanced vibrotactile perception

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Congenital blindness leads to enhanced vibrotactile perception. / Wan, Catherine Y; Wood, Amanda G; Reutens, David C; Wilson, Sarah J.

In: Neuropsychologia, Vol. 48, No. 2, 01.2010, p. 631-5.

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Wan, Catherine Y ; Wood, Amanda G ; Reutens, David C ; Wilson, Sarah J. / Congenital blindness leads to enhanced vibrotactile perception. In: Neuropsychologia. 2010 ; Vol. 48, No. 2. pp. 631-5.

Bibtex

@article{f4ab83f905de4fa591a5cd3254dd45d0,
title = "Congenital blindness leads to enhanced vibrotactile perception",
abstract = "Previous studies have shown that in comparison with the sighted, blind individuals display superior non-visual perceptual abilities and differ in brain organisation. In this study, we investigated the performance of blind and sighted participants on a vibrotactile discrimination task. Thirty-three blind participants were classified into one of three groups (congenital, early, late), depending on the age at which they became blind. Consistent with previous neuroimaging data, individuals blinded after late childhood (14 years) showed no advantage over sighted participants. Both the congenitally- and early-blind participants were better than the sighted. The congenitally blind participants were even more accurate than the early-blind participants; a distinction that has not been drawn previously. Duration of blindness did not predict task performance and the effect of onset age persisted after duration of daily Braille reading was accounted for. We conclude that complete visual deprivation early in life leads to heightened tactile acuity.",
keywords = "Adult, Age of Onset, Blindness, Discrimination (Psychology), Female, Humans, Male, Middle Aged, Neuropsychological Tests, Physical Stimulation, Reaction Time, Signal Detection, Psychological, Touch Perception, Vibration, Young Adult",
author = "Wan, {Catherine Y} and Wood, {Amanda G} and Reutens, {David C} and Wilson, {Sarah J}",
note = "2009 Elsevier Ltd. All rights reserved.",
year = "2010",
month = jan,
doi = "10.1016/j.neuropsychologia.2009.10.001",
language = "English",
volume = "48",
pages = "631--5",
journal = "Neuropsychologia",
issn = "0028-3932",
publisher = "Elsevier",
number = "2",

}

RIS

TY - JOUR

T1 - Congenital blindness leads to enhanced vibrotactile perception

AU - Wan, Catherine Y

AU - Wood, Amanda G

AU - Reutens, David C

AU - Wilson, Sarah J

N1 - 2009 Elsevier Ltd. All rights reserved.

PY - 2010/1

Y1 - 2010/1

N2 - Previous studies have shown that in comparison with the sighted, blind individuals display superior non-visual perceptual abilities and differ in brain organisation. In this study, we investigated the performance of blind and sighted participants on a vibrotactile discrimination task. Thirty-three blind participants were classified into one of three groups (congenital, early, late), depending on the age at which they became blind. Consistent with previous neuroimaging data, individuals blinded after late childhood (14 years) showed no advantage over sighted participants. Both the congenitally- and early-blind participants were better than the sighted. The congenitally blind participants were even more accurate than the early-blind participants; a distinction that has not been drawn previously. Duration of blindness did not predict task performance and the effect of onset age persisted after duration of daily Braille reading was accounted for. We conclude that complete visual deprivation early in life leads to heightened tactile acuity.

AB - Previous studies have shown that in comparison with the sighted, blind individuals display superior non-visual perceptual abilities and differ in brain organisation. In this study, we investigated the performance of blind and sighted participants on a vibrotactile discrimination task. Thirty-three blind participants were classified into one of three groups (congenital, early, late), depending on the age at which they became blind. Consistent with previous neuroimaging data, individuals blinded after late childhood (14 years) showed no advantage over sighted participants. Both the congenitally- and early-blind participants were better than the sighted. The congenitally blind participants were even more accurate than the early-blind participants; a distinction that has not been drawn previously. Duration of blindness did not predict task performance and the effect of onset age persisted after duration of daily Braille reading was accounted for. We conclude that complete visual deprivation early in life leads to heightened tactile acuity.

KW - Adult

KW - Age of Onset

KW - Blindness

KW - Discrimination (Psychology)

KW - Female

KW - Humans

KW - Male

KW - Middle Aged

KW - Neuropsychological Tests

KW - Physical Stimulation

KW - Reaction Time

KW - Signal Detection, Psychological

KW - Touch Perception

KW - Vibration

KW - Young Adult

U2 - 10.1016/j.neuropsychologia.2009.10.001

DO - 10.1016/j.neuropsychologia.2009.10.001

M3 - Article

C2 - 19819246

VL - 48

SP - 631

EP - 635

JO - Neuropsychologia

JF - Neuropsychologia

SN - 0028-3932

IS - 2

ER -