Speechreading circuits in people born deaf

Neuropsychologia
Mairéad MacSweeneyMichael J Brammer

Abstract

In hearing people, silent speechreading generates bilateral activation in superior temporal regions specialised for the perception of auditory speech [Science 276 (1997) 593; Neuroreport 11 (2000) 1729; Proceedings of the Royal Society London B 268 (2001) 451]. In the present study, FMRI data were collected from deaf and hearing volunteers while they speechread numbers and during a control task in which they counted nonsense mouth movements (gurns). Brain activation for silent speechreading in oral deaf participants was found primarily in posterior cingulate cortex and hippocampal/lingual gyri. In contrast to the pattern observed in the hearing group, deaf participants showed no speechreading-specific activation in left lateral temporal regions. These data suggest that acoustic experience shapes the functional circuits for analysing speech. We speculate on the functional role, the posterior cingulate gyrus may play in speechreading by profoundly congenitally deaf people.

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Citations

Jun 15, 2007·Cognitive Neuropsychiatry·Joanna R AtkinsonSue O'Rourke
Jun 23, 2005·Journal of Cognitive Neuroscience·Deborah A HallA Quentin Summerfield
Feb 21, 2008·Journal of Cognitive Neuroscience·Cheryl M CapekRuth Campbell
May 27, 2011·BMC Neuroscience·Nils SkotaraBrigitte Röder
Aug 3, 2010·Attention, Perception & Psychophysics·Rachel M MillerLawrence D Rosenblum
Sep 2, 2005·Perception & Psychophysics·Michael S Gordon, Lawrence D Rosenblum
Dec 3, 2014·NeuroImage·François-Laurent De WinterMathieu Vandenbulcke
Oct 15, 2011·Scandinavian Journal of Psychology·Mario AparicioJacqueline Leybaert
Mar 1, 2005·NeuroImage·Jeremy I SkipperSteven L Small
Jul 23, 2004·Brain Research. Cognitive Brain Research·Takehiro HasegawaNorihiro Sadato
Sep 30, 2014·Hearing Research·Manja HribarAndrej Vovk
Dec 3, 2014·Hearing Research·K StrelnikovP Barone
Sep 4, 2013·Neuroscience and Biobehavioral Reviews·C R LynessV Cardin
Feb 6, 2008·Neuropsychologia·Cheryl M CapekRuth Campbell
Nov 26, 2008·International Journal of Audiology·Ruth Campbell, Cheryl Capek
Aug 21, 2010·Trends in Amplification·Jacqueline Leybaert, Carol J LaSasso
Aug 7, 2010·Journal of Speech, Language, and Hearing Research : JSLHR·Ellen OrmelLudo Verhoeven
Sep 26, 2009·Human Brain Mapping·Margo McKenna BenoitSteven Stufflebeam
Apr 12, 2017·Ear and Hearing·Ryan A StevensonMark T Wallace
Apr 12, 2020·Experimental Brain Research·Andréanne SharpF Champoux
Jul 10, 2019·Journal of the Association for Research in Otolaryngology : JARO·Carly A AndersonDouglas E H Hartley

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