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Table 3 Signal to Noise Ratio (SNR) of Images (device in 200 mT line)

From: fMRI-compatible rehabilitation hand device

Description of the Test Mean of SNR ± SD
Control (no device) 145.46 ± 1.02
ERF Resistive Element 144.66 ± 1.48
Handles 145.43 ± 1.33
Handles and ERF Resistive Element 144.70 ± 0.93
Handles and Encoder 145.33 ± 0.74
Force sensor 144.90 ± 0.85
ERF hand device 144.65 ± 0.78
ERF hand device, actuated at 0.8 kV 144.53 ± 0.81
ERF hand device, actuated at 2 kV 144.40 ± 1.12