Fast, flexible closed-loop feedback: Tracking movement in “real-millisecond-time”
Sehara, Keisuke; Bahr, Viktor; Mitchinson, Ben; Pearson, Martin J.; Larkum, Matthew E.; Sachdev, Robert N. S.
Martin Pearson Martin.Pearson@uwe.ac.uk
Senior Research Fellow
Matthew E. Larkum
Robert N. S. Sachdev
© 2019 Sehara et al. One of the principal functions of the brain is to control movement and rapidly adapt behavior to a changing external environment. Over the last decades our ability to monitor activity in the brain, manipulate it while also manipulating the environment the animal moves through, has been tackled with increasing sophistication. However, our ability to track the movement of the animal in real time has not kept pace. Here, we use a dynamic vision sensor (DVS) based event-driven neuromorphic camera system to implement real-time, low-latency tracking of a single whisker that mice can move at 25 Hz. The customized DVS system described here converts whisker motion into a series of events that can be used to estimate the position of the whisker and to trigger a position-based output interactively within 2 ms. This neuromorphic chip-based closed-loop system provides feedback rapidly and flexibly. With this system, it becomes possible to use the movement of whiskers or in principal, movement of any part of the body to reward, punish, in a rapidly reconfigurable way. These methods can be used to manipulate behavior, and the neural circuits that help animals adapt to changing values of a sequence of motor actions.
Sehara, K., Bahr, V., Mitchinson, B., Pearson, M. J., Larkum, M. E., & Sachdev, R. N. S. (2019). Fast, flexible closed-loop feedback: Tracking movement in “real-millisecond-time”. eNeuro, 6(6), https://doi.org/10.1523/eneuro.0147-19.2019
|Journal Article Type||Article|
|Acceptance Date||Sep 16, 2019|
|Online Publication Date||Oct 14, 2019|
|Publication Date||Nov 1, 2019|
|Deposit Date||Apr 21, 2020|
|Publicly Available Date||Apr 23, 2020|
|Publisher||Society for Neuroscience|
|Peer Reviewed||Peer Reviewed|
Fast, Flexible Closed-Loop Feedback: Tracking Movement in “Real-Millisecond-Time”
Publisher Licence URL
This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license, which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.
You might also like
Active whisker placement and exploration for rapid object recognition
Feed-forward selection of cerebellar models for calibration of robot sound source localization
Audio Localization for Robots Using Parallel Cerebellar Models
Whisker-ratSLAM applied to 6D object identification and spatial localisation