Why Don't We Move Slower? The Value of Time in the Neural Control of Action

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
Bastien Berret, Frédéric Jean

Abstract

To want something now rather than later is a common attitude that reflects the brain's tendency to value the passage of time. Because the time taken to accomplish an action inevitably delays task achievement and reward acquisition, this idea was ported to neural movement control within the "cost of time" theory. This theory provides a normative framework to account for the underpinnings of movement time formation within the brain and the origin of a self-selected pace in human and animal motion. Then, how does the brain exactly value time in the control of action? To tackle this issue, we used an inverse optimal control approach and developed a general methodology allowing to squarely sample infinitesimal values of the time cost from experimental motion data. The cost of time underlying saccades was found to have a concave growth, thereby confirming previous results on hyperbolic reward discounting, yet without making any prior assumption about this hypothetical nature. For self-paced reaching, however, movement time was primarily valued according to a striking sigmoidal shape; its rate of change consistently presented a steep rise before a maximum was reached and a slower decay was observed. Theoretical properties of uniquenes...Continue Reading

Citations

Mar 15, 2018·Journal of Neurophysiology·Erik M SummersideAlaa A Ahmed
May 17, 2018·Journal of Neurophysiology·Thomas R ReppertReza Shadmehr
Jan 17, 2019·Journal of Neurophysiology·Emmanuel GuigonAgnès Roby-Brami
Feb 29, 2020·PLoS Computational Biology·Bastien Berret, Frédéric Jean
Apr 27, 2017·Frontiers in Psychology·Lior NoyJason Friedman
Oct 17, 2018·Proceedings of the National Academy of Sciences of the United States of America·Tehrim YoonReza Shadmehr
Jan 31, 2018·Frontiers in Human Neuroscience·Luka PeternelJan Babič
Aug 29, 2018·Scientific Reports·Jose Garcia Vivas MirandaPaolo Bonato
Jun 3, 2017·Scientific Reports·Ezequiel MikulanAgustín Ibáñez
Jul 15, 2018·Scientific Reports·Bastien BerretThomas Deroche
Dec 29, 2019·Scientific Reports·Luka Peternel, Jan Babič
Jan 28, 2021·Brain Sciences·Misaki TakedaYasuhiro Wada
Feb 12, 2021·Frontiers in Psychology·Ségolène M R GuérinYvonne N Delevoye-Turrell
Mar 18, 2019·Trends in Neurosciences·Reza ShadmehrAlaa A Ahmed
Apr 15, 2021·Journal of Neurophysiology·Antoine De ComitePhilippe Lefèvre
Sep 19, 2020·Current Biology : CB·Maria-Teresa Jurado-ParrasDavid Robbe
Jul 16, 2021·Scientific Reports·Florian FischerJörg Müller
Nov 19, 2021·Frontiers in Human Neuroscience·Clara Saleri LunazziDavid Thura

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