A thalamocortical pathway for fast rerouting of tactile information to occipital cortex in congenital blindness.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
14 11 2019
14 11 2019
Historique:
received:
18
10
2018
accepted:
21
10
2019
entrez:
16
11
2019
pubmed:
16
11
2019
medline:
3
3
2020
Statut:
epublish
Résumé
In congenitally blind individuals, the occipital cortex responds to various nonvisual inputs. Some animal studies raise the possibility that a subcortical pathway allows fast re-routing of tactile information to the occipital cortex, but this has not been shown in humans. Here we show using magnetoencephalography (MEG) that tactile stimulation produces occipital cortex activations, starting as early as 35 ms in congenitally blind individuals, but not in blindfolded sighted controls. Given our measured thalamic response latencies of 20 ms and a mean estimated lateral geniculate nucleus to primary visual cortex transfer time of 15 ms, we claim that this early occipital response is mediated by a direct thalamo-cortical pathway. We also observed stronger directed connectivity in the alpha band range from posterior thalamus to occipital cortex in congenitally blind participants. Our results strongly suggest the contribution of a fast thalamo-cortical pathway in the cross-modal activation of the occipital cortex in congenitally blind humans.
Identifiants
pubmed: 31727882
doi: 10.1038/s41467-019-13173-7
pii: 10.1038/s41467-019-13173-7
pmc: PMC6856176
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
5154Subventions
Organisme : NIBIB NIH HHS
ID : R01 EB026299
Pays : United States
Références
Eur J Neurosci. 2004 Oct;20(7):1923-7
pubmed: 15380014
Trends Cogn Sci. 2012 Dec;16(12):606-17
pubmed: 23141428
Elife. 2016 Mar 15;5:e10762
pubmed: 26976813
Brain. 2005 Mar;128(Pt 3):606-14
pubmed: 15634727
Hum Brain Mapp. 2006 Apr;27(4):325-39
pubmed: 16142777
Front Hum Neurosci. 2013 Aug 05;7:429
pubmed: 23935576
Cereb Cortex. 2012 Nov;22(11):2455-65
pubmed: 22095215
Proc Natl Acad Sci U S A. 2015 Jul 7;112(27):8439-44
pubmed: 26100913
Nat Neurosci. 2017 Feb 23;20(3):327-339
pubmed: 28230841
Proc Natl Acad Sci U S A. 2017 Aug 22;114(34):E7063-E7072
pubmed: 28778996
J Neurosci. 2013 Nov 6;33(45):17827-35
pubmed: 24198372
J Neurophysiol. 1992 Oct;68(4):1332-44
pubmed: 1432087
Neural Plast. 2017;2017:9807512
pubmed: 28386486
J Neurosci. 2011 May 11;31(19):7028-37
pubmed: 21562264
Phys Med Biol. 1999 Feb;44(2):423-40
pubmed: 10070792
Front Neuroinform. 2009 Jan 15;2:10
pubmed: 19198666
Proc Natl Acad Sci U S A. 2000 Sep 26;97(20):11068-73
pubmed: 10995465
Brain Struct Funct. 2016 Apr;221(3):1465-80
pubmed: 25560311
Eur J Neurosci. 2006 Apr;23(7):1919-30
pubmed: 16623848
Brain. 2009 Dec;132(Pt 12):3467-80
pubmed: 19892766
J Neurosci. 2017 Aug 16;37(33):7803-7810
pubmed: 28698387
Neuroimage. 2005 Apr 1;25(2):383-94
pubmed: 15784416
Cereb Cortex. 2010 Jul;20(7):1529-38
pubmed: 19875677
Neuroimage. 2016 Jan 1;124(Pt B):1182-1187
pubmed: 25896932
Brain. 2014 Apr;137(Pt 4):1224-40
pubmed: 24648057
Neuroimage. 2012 Apr 2;60(2):1092-105
pubmed: 22266410
Comput Intell Neurosci. 2011;2011:879716
pubmed: 21584256
Front Psychol. 2011 Feb 14;2:19
pubmed: 21713178
Nat Rev Neurosci. 2001 Apr;2(4):251-62
pubmed: 11283748
Neuroscience. 1980;5(1):41-52
pubmed: 7366842
Neuroscience. 2006 Oct 27;142(3):843-58
pubmed: 16934941
Clin Neurophysiol. 2006 Jul;117(7):1560-73
pubmed: 16759908
Brain Topogr. 2004 Summer;16(4):269-75
pubmed: 15379226
Proc Natl Acad Sci U S A. 2006 Aug 29;103(35):13256-60
pubmed: 16916936
Front Syst Neurosci. 2016 Nov 08;10:89
pubmed: 27877116
J Neurophysiol. 2007 Feb;97(2):1633-41
pubmed: 17135476
Neural Plast. 2012;2012:720278
pubmed: 22792493
Neurosci Biobehav Rev. 2014 Apr;41:36-52
pubmed: 23954750
J Neurosci Methods. 2007 May 15;162(1-2):8-13
pubmed: 17254636
Exp Brain Res. 2008 May;187(1):41-9
pubmed: 18224306
Phys Med Biol. 2001 Jan;46(1):77-96
pubmed: 11197680
Front Neuroanat. 2015 Jul 01;9:86
pubmed: 26190978
J Comput Assist Tomogr. 1998 Mar-Apr;22(2):324-33
pubmed: 9530404
Eur J Neurosci. 2016 Aug;44(4):2147-61
pubmed: 27320148
Hum Brain Mapp. 2004 Dec;23(4):210-28
pubmed: 15449356
Front Syst Neurosci. 2010 Dec 20;4:159
pubmed: 21191477
Nature. 1999 Oct 7;401(6753):587-90
pubmed: 10524625
Trends Cogn Sci. 2017 Sep;21(9):637-648
pubmed: 28821345
Neuroimage. 2014 Jan 15;85 Pt 2:853-72
pubmed: 24007803
J Comp Neurol. 1989 Jun 8;284(2):253-74
pubmed: 2754036
J Neurosci. 2010 Sep 22;30(38):12798-805
pubmed: 20861384
Neuroimage. 2011 Jan 1;54(1):60-73
pubmed: 20691793
Neurosci Lett. 2008 Mar 12;433(2):129-34
pubmed: 18276073
Neurology. 1999 Apr 22;52(7):1413-7
pubmed: 10227627
Proc Natl Acad Sci U S A. 2017 Oct 17;114(42):E8913-E8921
pubmed: 28973923
Nat Commun. 2016 Mar 24;7:11070
pubmed: 27009409
Science. 2000 Aug 18;289(5482):1206-8
pubmed: 10947990
Trends Cogn Sci. 2007 Jul;11(7):267-9
pubmed: 17548233
eNeuro. 2017 Aug 2;4(4):
pubmed: 28785729
Neuroimage. 2012 Aug 15;62(2):774-81
pubmed: 22248573