Abstract
The human somatomotor cortex displays prominent rhythmic oscillations around 10 and 20 Hz. The 10-Hz rhythm seems to receive its major contribution from the postcentral somatosensory cortex whereas the 20-Hz rhythm clusters slightly more anterior, suggesting generation in the precentral motor cortex. The 20-Hz rhythm is strongly enhanced after voluntary movements, with the generation sites following in a somatotopical manner the body part moved. Similar 20-Hz enhancements are also observed after electric stimulation of the peripheral nerves.
This is a preview of subscription content, log in via an institution to check access.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
References
Hari R, Salmelin R. Human cortical rhythms: a neuromagnetic view through the skull. Trends Neurosci 1997, 20: 44–49.
Salenius S, Portin K, Kajola M, Salmelin R, Hari R. Cortical control of human motoneuron firing during isometric contraction. J Neurosci 1997, in press.
Salmelin R, Hämäläinen M, Kajola M, Hari R. Functional segregation of movement-related rhythmic activity in the human brain. NeuroImage 1995, 2: 237–243.
Editor information
Rights and permissions
Copyright information
© 1997 Springer-Verlag Berlin Heidelberg
About this chapter
Cite this chapter
von Steinbüchel, N., Steffen, A., Wittmann, M. (1997). Symposium 11. In: von Steinbüchel, N., Steffen, A., Wittmann, M. (eds) 29th Annual General Meeting of the European Brain and Behaviour Society. Experimental Brain Research. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-40459-1_12
Download citation
DOI: https://doi.org/10.1007/978-3-662-40459-1_12
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-39400-7
Online ISBN: 978-3-662-40459-1
eBook Packages: Springer Book Archive