Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Pfurtscheller, G; Neuper, C; Pichler-Zalaudek, K; Edlinger, G; Lopes da Silva, FH.
Do brain oscillations of different frequencies indicate interaction between cortical areas in humans?
Neurosci Lett. 2000; 286(1):66-68
Doi: 10.1016/S0304-3940(00)01055-7
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- Co-Autor*innen der Med Uni Graz
- Schmid-Zalaudek Karin
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- Abstract:
- Oscillatory cortical activity in the beta frequency range (14-32 Hz) was investigated in a voluntary movement task using closely-spaced electroencephalogram recordings over the sensorimotor cortex. According to recent studies, short-lasting beta oscillations were observed within the first second after termination of a self-paced finger movement. In this study we show, moreover, that finger movement creates beta bursts not only overlying the hand representation area, but also, at a higher frequency, over neighboring cortical areas representing the foot. The results indicate that, related to the same event, distinct cortical areas can display increased synchronized activity at different frequencies, providing evidence for interaction between the corresponding neuronal networks.
- Find related publications in this database (using NLM MeSH Indexing)
- Action Potentials - physiology
- Adult -
- Biological Clocks - physiology
- Brain Mapping -
- Cortical Synchronization -
- Electroencephalography -
- Female -
- Fingers - innervation Fingers - physiology
- Foot - innervation Foot - physiology
- Humans -
- Male -
- Motor Cortex - anatomy & histology Motor Cortex - physiology
- Movement - physiology
- Neural Pathways - anatomy & histology Neural Pathways - physiopathology
- Psychomotor Performance - physiology
- Somatosensory Cortex - anatomy & histology Somatosensory Cortex - physiology
- Time Factors -
- Find related publications in this database (Keywords)
- electroencephalogram
- beta oscillations
- event-related desynchronization
- event-related synchronization
- sensorimotor function
- voluntary movement