Behavioral and Neural Indices of Metacognitive Sensitivity in Preverbal Infants

Article


Goupil, L. and Kouider, S. 2016. Behavioral and Neural Indices of Metacognitive Sensitivity in Preverbal Infants. Current Biology. 26 (22), pp. 3038-3045. https://doi.org/10.1016/j.cub.2016.09.004
AuthorsGoupil, L. and Kouider, S.
Abstract

Humans adapt their behavior not only by observing
the consequences of their actions but also by internally
monitoring their performance. This capacity, termed metacognitive sensitivity [1, 2], has traditionally been denied to young children because they have poor capacities in verbally reporting their own mental states [3–5]. Yet, these observations might reflect children’s limited capacities for explicit self-reports, rather than limitations in metacognition per se.
Indeed, metacognitive sensitivity has been shown to reflect simple computational mechanisms [1, 6–8], and can be found in various non-verbal species [7–10]. Thus, it might be that this faculty is present early in development, although it would be discernible through implicit behaviors and neural indices rather than explicit self-reports. Here, by relying on such non-verbal indices, we show that 12- and 18-monthold
infants internally monitor the accuracy of their own decisions. At the behavioral level, infants showed increased persistence in their initial choice after making a correct as compared to an incorrect response, evidencing an appropriate evaluation of decision confidence.
Moreover, infants were able to use decision confidence adaptively to either confirm their initial choice or change their mind. At the neural level, we found that a well-established electrophysiological signature of error monitoring in adults, the errorrelated negativity, is similarly elicited when infants make an incorrect choice. Hence, although explicit forms of metacognition mature later during childhood, infants already estimate decision confidence, monitor their errors, and use these metacognitive evaluations to regulate subsequent behavior.

JournalCurrent Biology
Journal citation26 (22), pp. 3038-3045
ISSN0960-9822
Year2016
PublisherElsevier
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Digital Object Identifier (DOI)https://doi.org/10.1016/j.cub.2016.09.004
Publication dates
Online20 Oct 2016
Publication process dates
Accepted06 Sep 2016
Deposited23 Nov 2020
FunderEuropean Research Council
Copyright holder© 2016 The Authors
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