The DOI matches its Crossref record; 42 of the 42 references it cites were found in a registry or an index.
Time course of corticospinal excitability in reaction time and self‐paced movements
Abstract
We used transcranial magnetic stimulation (TMS) to study the time course of corticospinal excitability before and after brisk thumb abduction movements, either in a simple reaction time (RT) paradigm or self‐paced. Premovement increase in corticospinal excitability began about 20 msec earlier for self‐paced compared with simple RT movements. For both simple RT and self‐paced movements after electromyographic (EMG) offset, there was a first period of increased excitability from 0 to 100 msec, followed by a second period from 100 to 160 msec. Corticospinal excitability was decreased from about 500 to 1,000 msec after EMG offset for both types of movements. Our results show that motor preparation that begins 1.5 to 2 seconds before self‐paced movement is not associated with increased corticospinal excitability. The first phase of increased corticospinal excitability after EMG offset may be due to activity of motor cortex neuron subthreshold for activating spinal motor neurons, and the second phase may reflect a subthreshold second agonist burst. The period of decreased corticospinal excitability after movement corresponds to the onset of event‐related synchronization (ERS) of electroencephalographic signals in the 20‐Hz band, and supports the hypothesis that ERS may be related to an inactive, idling state of the motor cortex.
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Citations
Cites
Event-related synchronization (ERS): an electrophysiological correlate of cortical areas at rest
Pfurtscheller, G. (1992) · Electroencephalography and Clinical Neurophysiology · doi:10.1016/0013-4694(92)90133-3 · Cited by 981
Spatiotemporal characteristics of sensorimotor neuromagnetic rhythms related to thumb movement
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Deecke, L., Scheid, P., & Kornhuber, H. (1969) · Experimental Brain Research · doi:10.1007/bf00235441 · Cited by 748
Post-movement beta synchronization: a correlate of an idling motor area?
Pfurtscheller, G., Stancák, A., & Neuper, C. (1996) · Electroencephalography and Clinical Neurophysiology · doi:10.1016/0013-4694(95)00258-8 · Cited by 704
Human cortical oscillations: a neuromagnetic view through the skull
Hari, R. (1997) · Trends in Neurosciences · doi:10.1016/s0166-2236(96)10065-5 · Cited by 681
Stimulation of the human motor cortex through the scalp
Rothwell, J., Thompson, P., Day, B., Boyd, S., & Marsden, C. (1991) · Experimental Physiology · doi:10.1113/expphysiol.1991.sp003485 · Cited by 664
Components of the movement-related cortical potential and their scalp topography
Shibasaki, H., Barrett, G., Halliday, E., & Halliday, A. M. (1980) · Electroencephalography and Clinical Neurophysiology · doi:10.1016/0013-4694(80)90216-3 · Cited by 585
Pyramidal tract activity associated with a conditioned hand movement in the monkey.
Evarts, E. V. (1966) · Journal of Neurophysiology · doi:10.1152/jn.1966.29.6.1011 · Cited by 574
Functional Segregation of Movement-Related Rhythmic Activity in the Human Brain
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Cited by
Event-related EEG/MEG synchronization and desynchronization: basic principles
Pfurtscheller, G., & Lopes da Silva, F. H. (1999) · Clinical Neurophysiology · doi:10.1016/s1388-2457(99)00141-8 · Cited by 7,328
Intracortical inhibition during volitional inhibition of prepared action
Coxon, J. P., Stinear, C. M., & Byblow, W. D. (2006) · Journal of Neurophysiology · doi:10.1152/jn.01334.2005 · Cited by 337
Attention influences the excitability of cortical motor areas in healthy humans
Conte, A., Gilio, F., Iezzi, E., Frasca, V., Inghilleri, M., & Berardelli, A. (2007) · Experimental Brain Research · doi:10.1007/s00221-007-0975-3 · Cited by 118
Expectancy Induces Dynamic Modulation of Corticospinal Excitability
van Elswijk, G., Kleine, B. U., Overeem, S., & Stegeman, D. F. (2007) · Journal of Cognitive Neuroscience · doi:10.1162/jocn.2007.19.1.121 · Cited by 101
Human VMPFC encodes early signatures of confidence in perceptual decisions
Gherman, S., & Philiastides, M. G. (2018) · eLife · doi:10.7554/elife.38293 · Cited by 107
Metadata
- Authors
- Chen, R., Yaseen, Z., Cohen, L. G., & Hallett, M.
- Venue
- Annals of Neurology
- Publisher
- Wiley
- Published
- 1998-09
- Volume
- 44
- Issue
- 3
- Pages
- 317-325
- ISSN
- 0364-5134 (ISSN-L)
- 1531-8249
- OpenAlex
- W2146754591
- Cited by
- 423
- References
- 42
- FWCI
- 5.85
- Type
- journal article
- Language
- en
- Open access
- closed
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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