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Degree of automaticity and the prefrontal cortex

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Jeon,  Hyeon-Ae
Department Neuropsychology, 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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Citation

Jeon, H.-A., & Friederici, A. D. (2015). Degree of automaticity and the prefrontal cortex. Trends in Cognitive Sciences, 19(5), 244-250. doi:10.1016/j.tics.2015.03.003.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0025-08D9-F
Abstract
The dorsolateral prefrontal cortex (PFC), with more anterior areas [Brodmann area (BA) 45, 47, and 10], has been known to be activated as cognitive hierarchy increases. However, this does not hold for highly automatic processes such as first language (L1), where the posterior region (BA 44) is known as the key area for the processing of complex linguistic hierarchy. Discussing this disparity, we propose that the degree of automaticity (DoA) is a crucial factor for the framework of functional mapping in the PFC: the posterior-to-anterior gradient system for more controlled processes and the posterior-confined system for automatic processes. We support this view with previous findings and provide a new perspective on the functional organization of the PFC.