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02702nam a2200457Ia 4500 |
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10.1016-j.bandc.2020.105651 |
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220427s2021 CNT 000 0 und d |
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|a 02782626 (ISSN)
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|a Language and action in Broca's area: Computational differentiation and cortical segregation
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| 260 |
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|b Academic Press Inc.
|c 2021
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|z View Fulltext in Publisher
|u https://doi.org/10.1016/j.bandc.2020.105651
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|a Actions have been proposed to follow hierarchical principles similar to those hypothesized for language syntax. These structural similarities are claimed to be reflected in the common involvement of certain neural populations of Broca's area, in the Inferior Frontal Gyrus (IFG). In this position paper, we follow an influential hypothesis in linguistic theory to introduce the syntactic operation Merge and the corresponding motor/conceptual interfaces. We argue that actions hierarchies do not follow the same principles ruling language syntax. We propose that hierarchy in the action domain lies in predictive processing mechanisms mapping sensory inputs and statistical regularities of action-goal relationships. At the cortical level, distinct Broca's subregions appear to support different types of computations across the two domains. We argue that anterior BA44 is a major hub for the implementation of the syntactic operation Merge. On the other hand, posterior BA44 is recruited in selecting premotor mental representations based on the information provided by contextual signals. This functional distinction is corroborated by a recent meta-analysis (Papitto, Friederici, & Zaccarella, 2020). We conclude by suggesting that action and language can meet only where the interfaces transfer abstract computations either to the external world or to the internal mental world. © 2020 The Author(s)
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|a Action
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|a article
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|a brain mapping
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|a Brain Mapping
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|a Broca area
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|a Broca Area
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|a Broca's area
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|a controlled study
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|a frontal lobe
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|a Frontal Lobe
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|a Hierarchy
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|a human
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|a human experiment
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|a Humans
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|a language
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|a Language
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|a Language
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|a linguistics
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|a Linguistics
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|a Magnetic Resonance Imaging
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| 650 |
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|a mental representation
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| 650 |
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|a nuclear magnetic resonance imaging
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| 650 |
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|a pars opercularis
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| 650 |
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|a sensory stimulation
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| 650 |
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|a Syntax
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| 700 |
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|a Friederici, A.D.
|e author
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|a Papitto, G.
|e author
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|a Zaccarella, E.
|e author
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| 773 |
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|t Brain and Cognition
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