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H06 Finger Twitch (SS61L)

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This BSL PRO Lesson describes hardware and software setup of the BSL PRO System to record and measure the finger twitch from a human subject using a finger twitch transducer and a stimulator.

Experimental Objectives

  1. To record the response generated from the twitch of a finger.
  2. To measure the stimulus frequency required to induce fatigue.

Tasks Performed by the Student

Subject will:

Videos

Biopac Student Lab Student Download

Student Prep & Distance Learning

Click the link(s) below for sample data and/or lesson procedure video(s), BSL PRO Lesson procedures (PDF) for human lessons*, and graph template files (*.gtl) for BSL PRO Lessons. If more than one .gtl is available, download the .gtl with the _suffix to match BSL version and hardware.

Lesson Hardware

This lesson requires a Biopac Student Lab (BSL) System and the following hardware. If your BSL System does not include all hardware items, expand your system by selecting required items below. For more details, review the Lesson: L# BSL Lessons - see the Lab Manual or launch BSL; A# and H# BSL PRO Lessons, click the PDF link above to review full setup, recording, and analysis procedures.

Item Name Cart
SS61L Finger Twitch Transducer, BSL Add to Cart
GEL1 Electrode gel 50 g Add to Cart
STMHUM Human-safe Stimulator 0-100 V Add to Cart
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Basic principles of physiological data collection covers fundamentals of data collection and equipment configuration equipment to help you refine experiment protocols and avoid costly missteps. Frazer Findlay, CEO of BIOPAC, discusses common mistakes with physiology recording and shares his secrets for collecting great data. Topics include: How to prep a subject and where to place electrodes; Which type of electrodes work for different body signals; Analog to Digital Conversion; Sample rates (correct vs. incorrect); Filtering; and Scaling and calibration.
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