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Goldsmiths - University of London

Embodiment and the origin of interval timing: kinematic and electromyographic data

Addyman, Caspar; Rocha, Sinead; Fautrelle, Lilian; French, Robert M.; Thomas, Elizabeth and Mareschal, Denis. 2016. Embodiment and the origin of interval timing: kinematic and electromyographic data. Experimental Brain Research, ISSN 0014-4819 [Article]

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Abstract or Description

Recent evidence suggests that interval timing (the judgment of durations lasting from approximately 500 ms. to a few minutes) is closely coupled to the action control system. We used surface electromyography (EMG) and motion capture technology to explore the emergence of this coupling in 4-, 6-, and 8-month-olds. We engaged infants in an active and socially relevant arm-raising task with seven cycles and response period. In one condition, cycles were slow (every 4 s); in another, they were fast (every 2 s). In the slow condition, we found evidence of time-locked sub-threshold EMG activity even in the absence of any observed overt motor responses at all three ages. This study shows that EMGs can be a more sensitive measure of interval timing in early development than overt behavior.

Item Type: Article

Identification Number (DOI):

10.1007/s00221-016-4842-y

Keywords:

Interval timing, Infants, Electromyography, Embodiment, Open Data, Open Materials

Departments, Centres and Research Units:

Psychology

Dates:

DateEvent
18 November 2016Accepted
9 December 2016Published Online

Item ID:

19333

Date Deposited:

13 Dec 2016 15:58

Last Modified:

30 Jun 2017 12:48

URI: http://research.gold.ac.uk/id/eprint/19333

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