This BSL PRO Lesson examines the principle of compartmental modeling, which is based on the fact that electrical circuits can describe and simulate neural, biochemical, and biomechanical systems. Gerald Westheimer published the first quantitative saccadic eye movement model in 1954. He examined a 20° saccade recording, and assumed a step controller, to propose this second-order model to characterize eye motion.
Explore Westheimer’s saccadic eye movement model, which represents the eye as a second-order system.
Record eye motion via EOG setup.
Compare recorded EOG to modeled results.
Tasks Performed by the Student
Record the subject with a 20° saccade.
Record the subject with a 40° saccade.
Create the original Westheimer model.
Adjust the model for a 20° saccade and again for a 40° saccade.
Measure actual results and compare to the adjusted model.
The software automates the calibration procedure for the student. There are no knobs and dials to confuse the student.
Graph template files ensure consistent setup for subsequent Subjects or repeated trials—plus, you can easily add your own lesson plan to the onscreen journal.
The lesson will also work as part of a group study.
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.
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.
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