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A low-cost system for monitoring skin conductance during functional MRI
A Shastri1, M P Lomarev, S J Nelson
1Functional Neuroimaging Research Division, Department of Radiology, Medical University of South Carolina, Charleston, South Carolina, USA. shastri@mnstate.edu
Journal of Magnetic Resonance Imaging : JMRI
|July 31, 2001
Abstract:
We built a low-cost system for monitoring human skin conductance responses (SCRs) in a clinical magnetic resonance (MR) scanner during functional imaging. The average scanner-induced conductance noise level was suppressed sufficiently to allow SCR measurements over the full range of SCR amplitudes, and functional image signal-to-noise ratio was unaffected by the skin conductance apparatus. The system may be useful for a variety of imaging studies.