Linking neurogenetics and individual differences in language learning: the dopamine hypothesis.

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
Patrick C M WongJing Zheng

Abstract

Fundamental advances in neuroscience have come from investigations into neuroplasticity and learning. These investigations often focus on identifying universal principles across different individuals of the same species. Increasingly, individual differences in learning success have also been observed, such that any seemingly universal principle might only be applicable to a certain extent within a particular learner. One potential source of this variation is individuals' genetic differences. Adult language learning provides a unique opportunity for understanding individual differences and genetic bases of neuroplasticity because of the large individual differences in learning success that have already been documented, and because of the body of empirical work connecting language learning and neurocognition. In this article, we review the literature on the genetic bases of neurocognition, especially studies examining polymorphisms of dopamine (DA)-related genes and procedural learning. This review leads us to hypothesize that there may be an association between DA-related genetic variation and language learning differences. If this hypothesis is supported by future empirical findings we suggest that it may point to neurogenetic ...Continue Reading

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Citations

Jun 7, 2013·PloS One·Patrick C M WongJing Zheng
Oct 23, 2015·Journal of Experimental Child Psychology·Rachel ReetzkeBharath Chandrasekaran
Apr 14, 2015·Biological Reviews of the Cambridge Philosophical Society·Judy A Stamps
Jul 24, 2015·Cognitive Science·Marc EttlingerPatrick C M Wong
Sep 21, 2013·Neuroscience and Biobehavioral Reviews·Mark AntoniouPatrick C M Wong
Sep 4, 2015·The Journal of the Acoustical Society of America·Mark Antoniou, Patrick C M Wong
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Dec 17, 2014·Respiratory Physiology & Neurobiology·Krystyna SzymańskaUrszula Demkow
May 11, 2016·Brain and Language·Chantel S PratAndrea Stocco
May 23, 2014·Psychiatric Genetics·Catherine M SteinSudha K Iyengar
Mar 30, 2018·Frontiers in Psychology·David Birdsong
Jul 25, 2018·Journal of Neurolinguistics·Kelly A Vaughn, Arturo E Hernandez

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