When used in conjunction with an occluding cuff, electrical bioimpedance measurements on limbs can assess arterial blood flow and venous thrombosis. To prevent venous outflow without significantly changing arterial inflow, rapidly inflate the TSD120 cuff to 40-50 mmHg. The blood inflow causes an increase in the volume of the limb. To measure the arterial flow rate, use the slope of the initial impedance change. The volume change that occurs after the impedance change reaches a plateau is a measure of the compliance of the venous system. Once the volume has stabilized, quickly deflate the cuff. For thrombosis to exist in the veins, the time constant of the outflow lengthens. The percentage outflow drop can be measured directly, at any time, once the cuff pressure is released.
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This EDA webinar will cover recording techniques and strategies for optimizing electrodermal activity data quality. Emphasis will focus on signal quality for in-lab and remote recording applications, including techniques for capturing event triggers for event-related applications.
You will learn how to
– Record great EDA data
– Prepare data for analysis
– Identify and remove artifact from data
– Use AcqKnowledge automated routines
– Run Batch processing
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Register NowResearchers utilize electrodermal activity (EDA) data in a wide array of protocols. These recent studies join thousands of BIOPAC citations for EDA and represent just a few of BIOPAC’s hardware options for wired, wireless, logged, or MRI protocols with reusable or disposable EDA accessories and AcqKnowledge software solutions for Automated EDA Analysis Routines and EDA Measurement Tools. Caffeine Delivery […]
BIOPAC’s comprehensive EDA Guide provides an introduction to Electrodermal Activity (EDA or GSR) and details topics including: EDA Complex: SCL, SCR, tonic, phasic, specific SCR, non-specific SCR Participant Prep & Electrode Placement Data Recording tips Automated EDA Analysis Routines Digital input to Stim Events Stim-Response Analysis Derive Phasic EDA from Tonic Event-related EDA Analysis Locate […]
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