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Imaging human intra-cerebral connectivity by PET during TMS
Abstract
Non-invasive imaging of human inter-regional neural connectivity by positron emission tomography (PET) during transcranial magnetic stimulation (TMS) was performed. The hand area of primary motor cortex (M1) in the left cerebral hemisphere was stimulated with TMS while local and remote effects were recorded with PET. At the stimulated site, TMS increased blood flow (12-20%) in a highly focal manner, without an inhibitory surround. Remote covariances, an index of connectivity with M1, were also focal. Connectivity patterns established in non-human species were generally confirmed. Excitatory connectivity (positive covariance) was observed in ipsilateral primary and secondary somatosensory areas (S1 and S2), in ipsilateral ventral, lateral premotor cortex (M2) and in contralateral supplementary motor area (SMA). Inhibitory connectivity (negative covariance) was observed in contralateral M1.
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Cited by
Lefaucheur, J.-P., André-Obadia, N., Antal, A., Ayache, S. S., Baeken, C., Benninger, D. H., Cantello, R. M., Cincotta, M., de Carvalho, M., De Ridder, D., et al. (2014) · Clinical Neurophysiology · doi:10.1016/j.clinph.2014.05.021 · Cited by 2,119
George, M. S., Lisanby, S. H., Avery, D., McDonald, W. M., Durkalski, V., Pavlicova, M., Anderson, B., Nahas, Z., Bulow, P., Zarkowski, P., et al. (2010) · Archives of General Psychiatry · doi:10.1001/archgenpsychiatry.2010.46 · Cited by 1,092
Self-citationStrafella, A. P., Paus, T., Barrett, J., & Dagher, A. (2001) · The Journal of Neuroscience · doi:10.1523/jneurosci.21-15-j0003.2001 · Cited by 1,058
Noninvasive Human Brain Stimulation
Wagner, T., Valero-Cabre, A., & Pascual-Leone, A. (2007) · Annual Review of Biomedical Engineering · doi:10.1146/annurev.bioeng.9.061206.133100 · Cited by 873
Transcranial magnetic stimulation and cognitive neuroscience
Walsh, V., & Cowey, A. (2000) · Nature Reviews Neuroscience · doi:10.1038/35036239 · Cited by 814
Metadata
- Authors
- Fox, P., Ingham, R., George, M. S., Mayberg, H., Ingham, J., Roby, J., Martin, C., & Jerabek, P.
- Venue
- NeuroReport
- Published
- 1997-08
- Volume
- 8
- Issue
- 12
- Pages
- 2787-2791
- ISSN
- 0959-4965 (ISSN-L)
- OpenAlex
- W2065691725
- Cited by
- 395
- References
- 0
- FWCI
- 10.74
- Type
- journal article
- Language
- en
- Open access
- closed
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- Fox, P., Ingham, R., George, M. S., Mayberg, H., Ingham, J., Roby, J., Martin, C., & Jerabek, P. (1997). Imaging human intra-cerebral connectivity by PET during TMS. NeuroReport. https://doi.org/10.1097/00001756-199708180-00027
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