Primary somatosensory contextual modulation is encoded by oscillation frequency change

Highlights • Very early somatosensory evoked responses show context-dependent modulation by auditory stimuli. • Our delay differential equation model strongly suggests cortico-thalamic feedback in primary somatosensory processing. • Frequency encoding, in contrast to network coupling, seems to play...

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Bibliographic Details
Published in:Clinical neurophysiology 2015-09, Vol.126 (9), p.1769-1779
Main Authors: Götz, T, Milde, T, Curio, G, Debener, S, Lehmann, T, Leistritz, L, Witte, O.W, Witte, H, Haueisen, J
Format: Article
Language:English
Subjects:
600 Hz wavelets
Acoustic Stimulation - methods
Adult
Auditory oddball
Cerebral Cortex - physiology
Electric Stimulation - methods
Electroencephalography
Evoked Potentials, Somatosensory - physiology
Female
Humans
Magnetoencephalography
Male
Median nerve
Median Nerve - physiology
Nerve Net - physiology
Neurology
Primary somatosensory cortex
Psychomotor Performance - physiology
Somatosensory Cortex - physiology
Thalamus - physiology
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Summary:Highlights • Very early somatosensory evoked responses show context-dependent modulation by auditory stimuli. • Our delay differential equation model strongly suggests cortico-thalamic feedback in primary somatosensory processing. • Frequency encoding, in contrast to network coupling, seems to play an important role in contextual modulation in the somatosensory thalamo-cortical network.
ISSN:1388-2457
1872-8952
DOI:10.1016/j.clinph.2014.12.028