Investigating predictive coding in younger and older children using MEG and a multi-feature auditory oddball paradigm

Author:

Rapaport Hannah1234ORCID,Seymour Robert A5ORCID,Benikos Nicholas12ORCID,He Wei12ORCID,Pellicano Elizabeth3467ORCID,Brock Jon12ORCID,Sowman Paul F12ORCID

Affiliation:

1. School of Psychological Sciences , 16 University Ave, , Sydney, 2109 , Australia

2. Macquarie University , 16 University Ave, , Sydney, 2109 , Australia

3. Macquarie School of Education , 26 Wally’s Walk, , Sydney, 2109 , Australia

4. Macquarie University , 26 Wally’s Walk, , Sydney, 2109 , Australia

5. Wellcome Centre for Human Neuroimaging , 12 Queen Square, London WC1N 3AR , United Kingdom

6. Department of Clinical , Educational and Health Psychology, 26 Bedford Way, , London WC1E 6BT , United Kingdom

7. University College London , Educational and Health Psychology, 26 Bedford Way, , London WC1E 6BT , United Kingdom

Abstract

AbstractThere is mounting evidence for predictive coding theory from computational, neuroimaging, and psychological research. However, there remains a lack of research exploring how predictive brain function develops across childhood. To address this gap, we used pediatric magnetoencephalography to record the evoked magnetic fields of 18 younger children (M = 4.1 years) and 19 older children (M = 6.2 years) as they listened to a 12-min auditory oddball paradigm. For each child, we computed a mismatch field “MMF”: an electrophysiological component that is widely interpreted as a neural signature of predictive coding. At the sensor level, the older children showed significantly larger MMF amplitudes relative to the younger children. At the source level, the older children showed a significantly larger MMF amplitude in the right inferior frontal gyrus relative to the younger children, P < 0.05. No differences were found in 2 other key regions (right primary auditory cortex and right superior temporal gyrus) thought to be involved in mismatch generation. These findings support the idea that predictive brain function develops during childhood, with increasing involvement of the frontal cortex in response to prediction errors. These findings contribute to a deeper understanding of the brain function underpinning child cognitive development.

Funder

Australian Research Council Discovery Projects

Publisher

Oxford University Press (OUP)

Subject

Cellular and Molecular Neuroscience,Cognitive Neuroscience

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