Depression of Activity in the Corticospinal Pathway during Human Motor Behavior after Strong Voluntary Contractions

Nicolas T. Petersen; Janet L. Taylor; Jane E. Butler; Simon C. Gandevia

doi:10.1523/JNEUROSCI.23-22-07974.2003

Article Information

DOI

https://doi.org/10.1523/JNEUROSCI.23-22-07974.2003

PubMed

12954858

Published By

Society for Neuroscience

History

Received September 9, 2002
Revision received May 28, 2003
Accepted May 28, 2003
First published September 3, 2003.

Version of record published September 3, 2003.

Author Information

Nicolas T. Petersen,
Janet L. Taylor,
Jane E. Butler, and
Simon C. Gandevia

Prince of Wales Medical Research Institute and University of New South Wales, Sydney, Australia 2031

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Author contributions

Disclosures

Received September 9, 2002.
Revision received May 28, 2003.
Accepted May 28, 2003.

This work was supported by the National Health and Medical Research Council of Australia Grant 3206. N.T.P. received support from the Weimann Foundation and the Danish Sports Research Council. We are grateful to Prof. S. Redman and Dr. J. Brock for their comments on this manuscript.
Correspondence should be addressed to Prof. Simon C. Gandevia, Prince of Wales Medical Research Institute, Barker Street, Randwick, New South Wales, Australia 2031. E-mail: s.gandevia{at}unsw.edu.au.
Copyright © 2003 Society for Neuroscience 0270-6474/03/237974-07$15.00/0

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	Abstract	Full	Pdf
Sep 2003	337	119	212
Oct 2003	23	51	21
Nov 2003	18	24	17
Dec 2003	11	24	13
Total 2003	389	218	263
Jan 2004	11	13	12
Feb 2004	15	18	5
Mar 2004	19	20	13
Apr 2004	14	16	1
May 2004	15	18	8
Jun 2004	9	10	4
Jul 2004	9	6	1
Aug 2004	26	11	2
Sep 2004	19	7	9
Oct 2004	8	17	11
Nov 2004	8	20	19
Dec 2004	8	14	17
Total 2004	161	170	102
Jan 2005	17	18	16
Feb 2005	20	13	13
Mar 2005	16	21	18
Apr 2005	4	12	11
May 2005	12	15	7
Jun 2005	3	17	17
Jul 2005	5	13	6
Aug 2005	3	8	4
Sep 2005	1	4	5
Oct 2005	7	16	4
Nov 2005	13	17	8
Dec 2005	14	21	6
Total 2005	115	175	115
Jan 2006	4	16	9
Feb 2006	6	13	6
Mar 2006	4	17	7
Apr 2006	1	5	3
May 2006	1	10	7
Jun 2006	4	6	5
Jul 2006	2	5	5
Aug 2006	4	3	7
Sep 2006	3	6	1
Oct 2006	5	19	11
Nov 2006	0	18	10
Dec 2006	1	14	3
Total 2006	35	132	74
Jan 2007	1	14	9
Feb 2007	5	14	8
Mar 2007	1	7	5
Apr 2007	2	25	9
May 2007	3	6	4
Jun 2007	3	9	3
Jul 2007	1	4	2
Aug 2007	3	7	6
Sep 2007	4	5	4
Oct 2007	5	21	13
Nov 2007	4	17	5
Dec 2007	1	9	3
Total 2007	33	138	71
Jan 2008	3	21	10
Feb 2008	1	17	5
Mar 2008	12	15	9
Apr 2008	7	17	12
May 2008	1	12	9
Jun 2008	10	17	4
Jul 2008	4	8	7
Aug 2008	2	8	6
Sep 2008	15	13	5
Oct 2008	11	16	6
Nov 2008	8	17	6
Dec 2008	4	8	2
Total 2008	78	169	81
Jan 2009	5	8	10
Feb 2009	9	7	5
Mar 2009	10	8	7
Apr 2009	14	8	7
May 2009	2	9	8
Jun 2009	4	10	3
Jul 2009	4	9	3
Aug 2009	1	5	3
Sep 2009	3	3	9
Oct 2009	4	8	3
Nov 2009	4	6	5
Dec 2009	10	8	6
Total 2009	70	89	69
Jan 2010	11	8	7
Feb 2010	7	8	3
Mar 2010	10	9	8
Apr 2010	3	17	6
May 2010	5	9	4
Jun 2010	4	6	4
Jul 2010	4	1	4
Aug 2010	0	9	6
Sep 2010	4	3	7
Oct 2010	10	1	5
Nov 2010	9	9	18
Dec 2010	7	5	11
Total 2010	74	85	83
Jan 2011	8	2	6
Feb 2011	7	5	4
Mar 2011	11	7	6
Apr 2011	9	3	9
May 2011	3	9	8
Jun 2011	8	5	16
Jul 2011	13	3	8
Aug 2011	22	2	5
Sep 2011	20	2	6
Oct 2011	29	3	8
Nov 2011	19	4	6
Dec 2011	13	4	10
Total 2011	162	49	92
Jan 2012	8	8	9
Feb 2012	13	10	15
Mar 2012	19	9	14
Apr 2012	16	7	11
May 2012	29	7	7
Jun 2012	11	4	3
Jul 2012	27	1	9
Aug 2012	12	4	7
Sep 2012	14	8	14
Oct 2012	21	5	11
Nov 2012	31	5	8
Dec 2012	28	2	10
Total 2012	229	70	118
Jan 2013	16	4	7
Feb 2013	25	2	4
Mar 2013	26	7	11
Apr 2013	23	5	12
May 2013	13	5	6
Jun 2013	6	4	7
Jul 2013	8	1	7
Aug 2013	2	1	2
Sep 2013	10	1	6
Oct 2013	20	8	12
Nov 2013	17	7	17
Dec 2013	5	1	7
Total 2013	171	46	98
Jan 2014	13	1	5
Feb 2014	8	0	6
Mar 2014	7	1	6
Apr 2014	13	2	6
May 2014	11	1	4
Jun 2014	12	4	8
Jul 2014	5	2	1
Aug 2014	8	9	5
Sep 2014	22	6	15
Oct 2014	14	2	3
Nov 2014	9	5	4
Dec 2014	22	7	10
Total 2014	144	40	73
Jan 2015	10	8	0
Feb 2015	12	3	1
Mar 2015	10	5	2
Apr 2015	10	1	3
May 2015	5	8	4
Jun 2015	6	10	12
Jul 2015	0	2	1
Aug 2015	7	0	5
Sep 2015	3	2	1
Oct 2015	8	2	1
Nov 2015	11	3	3
Dec 2015	10	0	1
Total 2015	92	44	34
Jan 2016	6	3	6
Feb 2016	5	5	2
Mar 2016	9	1	6
Apr 2016	8	5	4
May 2016	11	3	3
Jun 2016	5	5	6
Jul 2016	3	3	1
Aug 2016	4	3	3
Sep 2016	1	3	2
Oct 2016	4	1	1
Nov 2016	3	9	7
Dec 2016	1	2	2
Total 2016	60	43	43
Jan 2017	1	1	1
Feb 2017	0	8	1
Mar 2017	2	11	6
Apr 2017	1	3	3
May 2017	2	21	4
Jun 2017	2	9	4
Jul 2017	0	9	2
Aug 2017	0	2	7
Sep 2017	2	6	3
Oct 2017	6	10	7
Nov 2017	1	10	2
Dec 2017	2	8	0
Total 2017	19	98	40
Jan 2018	1	8	2
Feb 2018	0	12	4
Mar 2018	2	10	3
Apr 2018	1	13	1
May 2018	1	15	1
Jun 2018	0	16	0
Jul 2018	1	12	5
Aug 2018	1	6	4
Sep 2018	6	14	4
Oct 2018	2	11	3
Nov 2018	3	7	4
Dec 2018	1	16	5
Total 2018	19	140	36
Jan 2019	1	6	2
Feb 2019	1	11	3
Mar 2019	3	9	11
Apr 2019	3	10	7
May 2019	4	6	6
Jun 2019	0	7	3
Jul 2019	0	5	9
Aug 2019	0	3	4
Sep 2019	3	17	7
Oct 2019	5	58	12
Nov 2019	7	10	9
Dec 2019	2	8	9
Total 2019	29	150	82
Jan 2020	3	12	2
Feb 2020	4	8	4
Mar 2020	0	5	5
Apr 2020	4	4	5
May 2020	0	4	5
Jun 2020	3	2	10
Jul 2020	3	8	4
Aug 2020	2	5	6
Sep 2020	4	12	3
Oct 2020	16	30	17
Nov 2020	5	17	11
Dec 2020	2	19	5
Total 2020	46	126	77
Jan 2021	4	14	9
Feb 2021	4	15	15
Mar 2021	6	20	14
Apr 2021	2	8	4
May 2021	3	15	7
Jun 2021	3	16	6
Jul 2021	3	13	13
Aug 2021	1	13	7
Sep 2021	5	15	12
Oct 2021	6	18	21
Nov 2021	3	16	13
Dec 2021	3	8	6
Total 2021	43	171	127
Jan 2022	2	12	7
Feb 2022	2	11	5
Mar 2022	2	13	5
Apr 2022	2	19	17
May 2022	0	9	6
Total 2022	8	64	40
Total	1977	2217	1718