Dynamic changes of timing precision in timed actions during a behavioural task in guinea pigs.

Abstract:

:Temporal precision is a determinant of performance in various motor activities. Although the accuracy and precision of timing in activities have been previously measured and quantified, temporal dynamics with flexible precision have not been considered. Here, we examined the temporal dynamics in timed motor activities (timed actions) using a guinea pig model in a behavioural task requiring an animal to control action timing to obtain a water reward. In well-trained animals, momentary variations in timing precision were extracted from the temporal distribution of the timed actions measured over daily 12-h sessions. The resampling of the observed time of action in each session demonstrated significant changes of timing precision within a session. Periods with higher timing precision appeared indiscriminately during the same session, and such periods lasted ~ 20 min on average. We conclude that the timing precision in trained actions is flexible and changes dynamically in guinea pigs. By elucidating the brain mechanisms involved in flexibility and dynamics with an animal model, future studies should establish more effective methods to actively enhance timing precision in our motor activities, such as sports.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Nishimura M,Wang C,Shu R,Song WJ

doi

10.1038/s41598-020-76953-y

subject

Has Abstract

pub_date

2020-11-18 00:00:00

pages

20079

issue

1

issn

2045-2322

pii

10.1038/s41598-020-76953-y

journal_volume

10

pub_type

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