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  High Resolution Functional Mapping of Primary Motor Cortex & Primary Somatosensory Cortex in Humans at 7T

Trampel, R., Schäfer, A., Heidemann, R., Ivanov, D., Lohmann, G., Geyer, S., et al. (2011). High Resolution Functional Mapping of Primary Motor Cortex & Primary Somatosensory Cortex in Humans at 7T. In 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011).

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 Creators:
Trampel, R, Author
Schäfer, A, Author
Heidemann, RM, Author
Ivanov, D, Author
Lohmann, G1, Author              
Geyer, S, Author
Turner, R, Author
Affiliations:
1Max Planck Institute for Human Cognitive & Brain Sciences, Leipzig, ou_persistent22              

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 Abstract: The functional properties of the sensorimotor system have been intensively studied by functional MRI over the last decades. Typical fMRI resolution at field strengths at 3 Tesla and below enables a rough somatotopic mapping, but may not unambiguously differentiate between primary motor cortex (M1) and primary somatosensory cortex (S1). Here, we performed isotropic sub-millimeter fMRI at 7 Tesla, using a paradigm comprising finger tapping, finger movement without touching the finger tips and imagined finger movement. Spatial differences in activation in S1 and M1 could be distinguished, and also signal time courses dependent on the laminar position across M1 cortex were obtained.

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 Dates: 2011-05
 Publication Status: Published in print
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Title: 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011)
Place of Event: Montréal, Canada
Start-/End Date: 2011-05-07 - 2011-05-13

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Title: 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 3586 Start / End Page: - Identifier: -