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Seven-year-olds’ recollection of non-adjacent dependencies after overnight retention

MPS-Authors
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Schaadt,  Gesa
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Paul,  Mariella
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Berlin School of Mind and Brain, Humboldt-Universität zu Berlin;

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Muralikrishnan,  R.
Max Planck Institute for Empirical Aesthetics, Max Planck Society;

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Männel,  Claudia
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Friederici,  Angela D.
Department Neuropsychology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Schaadt_2019.pdf
(Preprint), 2MB

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Citation

Schaadt, G., Paul, M., Muralikrishnan, R., Männel, C., & Friederici, A. D. (2019). Seven-year-olds’ recollection of non-adjacent dependencies after overnight retention. bioRxiv. doi:10.1101/670257.


Cite as: http://hdl.handle.net/21.11116/0000-0004-C735-0
Abstract
Becoming a successful speaker depends on acquiring and learning grammatical dependencies between neighboring and non-neighboring linguistic elements (non-adjacent dependencies; NADs). Previous studies have demonstrated children’s and adults’ ability to distinguish NADs from NAD violations right after familiarization. However, demonstrating NAD-recollection and processing after retention is crucial to demonstrate NAD-learning. We tested 7-year-old’s NAD-learning in a natural, non-native language on one day and NADrecollection on the next day by means of event-related potentials (ERPs). Our results revealed ERPs with a more positive amplitude to NAD violations than correct NADs after familiarization on day one, but ERPs with a more negative amplitude to NAD violations on day two. This change from more positive to more negative ERPs to NAD violations possibly indicates that children’s representations of NADs changed during an overnight retention period, potentially associated with children’s NAD-learning. Indeed, both ERP patterns (i.e., day one: positive, day two: negative) were related to stronger behavioral improvement (i.e., more correct answers on day two compared to day one) in a grammaticality judgment task from day one to day two. We suggest these findings to indicate that children showing more correct answers at day two, compared to day one, successfully built associative representations of NADs on day one and then successfully strengthened these associations during overnight retention, revealing NAD-recollection on day two. The present results suggest that 7-year-olds readily track NADs in a natural, non-native language and are able to show recollection after a retention period involving sleep, providing strong evidence of NAD recollection.