How accurate and precise are wearable devices to measure galvanic skin response compared to laboratory quality equipment? This discussion includes some details on the accuracy of wrist-based measurement devices but not for devises that measure at palms and fingers (see response here and here).
Steven Jeuris lists three wearable devices supporting electrodes on the palms/fingers:
How accurate and precise are they compared to laboratory quality equipment, how do they compare with each other and how do they compare with wrist-based measurement devices?