Abstract
Extracellular recordings of 43 spinal interneurons were performed in the decerebrate cat while its hindlimb was manipulated in 3 dimensional space with a 6-degree of freedom robotic arm. Internal/external rotations, toe in/toe out and flexion/extension movements were performed about the ankle joint. Peripheral nerve stimulation was used to categorize cells by field potential threshold into gr la and gr II types. 80% (16/20) of the gr la cells showed firing frequency changes to less than half of the rotations imposed by the robot and only 20% to more than half. 39% (9/23) of the gr II cells showed responses to less than half of the imposed movements and 61% (14/23) of the gr II cells responded to more than half of the imposed movements.
Original language | English (US) |
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Pages (from-to) | 3837-3839 |
Number of pages | 3 |
Journal | Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings |
Volume | 4 |
State | Published - 2003 |
Event | A New Beginning for Human Health: Proceedings of the 25th Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Cancun, Mexico Duration: Sep 17 2003 → Sep 21 2003 |
Keywords
- Interneurons
- Sensorimotor transformation
- Spinal cord
ASJC Scopus subject areas
- Signal Processing
- Biomedical Engineering
- Computer Vision and Pattern Recognition
- Health Informatics