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257 – Safe Use of Electrical Stimulators

IMPORTANT SAFETY NOTE

When using the STMISOC, STMISOD or STMISOE stimulus isolation adapter, it is possible to generate high peak-peak voltages. These voltages are potentially damaging, especially if the high voltage outputs are connected from the stimulator across the heart of the subject–meaning that the heart is potentially in the electrical path from lead to lead. This occurs when stimulation electrodes are placed on opposite sides of the body.

When using the STM200 or STMISOL/LA stimulation units it is similarly possible to generate high voltages. With these latter two units, however, extra precautions are required when using on subjects.

This application note details safety guidelines, regulatory standards, and setup for electrical stimulators, including electrial stimulators in the MRI, from BIOPAC.

electrical stimulator safety
electrical stimulator safety
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Electrodermal Activity (EDA) is an objective index for understanding emotional states. Researchers measure EDA to gain insights on psychological or physiological response, leading them down the path of scientific discovery. Because EDA is so important to research, BIOPAC has created tools to optimize event-related EDA analysis. Topics include: how to identify skin conductance responses, convert stim events from E-Prime SuperLab, Presentation, Vizard, etc., into AcqKnowledge events that can used for analysis, and score skin conductance responses using the AcqKnowledge automated EDA analysis tool.

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