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Inferior PFC Subregions Have Broad Cognitive Roles

2015; Elsevier BV; Volume: 19; Issue: 12 Linguagem: Inglês

10.1016/j.tics.2015.09.010

1879-307X

Adam Hampshire, David Sharp,

Neural dynamics and brain function

Aron and colleagues provide an interesting critique [ 1 Aron A.R. et al. Evidence supports specific braking function for inferior PFC. Trends Cogn. Sci. 2015; 19https://doi.org/10.1016/j.tics.2015.09.001 Abstract Full Text Full Text PDF PubMed Scopus (31) Google Scholar ] of our article [ 2 Hampshire A. Sharp D.J. Contrasting network and modular perspectives on inhibitory control. Trends Cogn. Sci. 2015; 19: 445-452 Abstract Full Text Full Text PDF PubMed Scopus (139) Google Scholar ] that highlights important areas of debate. Our hypotheses are similar insofar as we propose a significant role for the right inferior frontal gyrus and anterior insula (rIFG/aIns) in supporting response inhibition tasks [ 2 Hampshire A. Sharp D.J. Contrasting network and modular perspectives on inhibitory control. Trends Cogn. Sci. 2015; 19: 445-452 Abstract Full Text Full Text PDF PubMed Scopus (139) Google Scholar , 3 Aron A.R. et al. Inhibition and the right inferior frontal cortex. Trends Cogn. Sci. 2004; 8: 170-177 Abstract Full Text Full Text PDF PubMed Scopus (2294) Google Scholar , 4 Hampshire A. et al. The role of the right inferior frontal gyrus: inhibition and attentional control. Neuroimage. 2010; 50: 1313-1319 Crossref PubMed Scopus (884) Google Scholar , 5 Sharp D.J. et al. Distinct frontal systems for response inhibition, attentional capture, and error processing. Proc. Natl. Acad. Sci. U.S.A. 2010; 107: 6106-6111 Crossref PubMed Scopus (400) Google Scholar ]. However, our perspectives differ regarding the nature of functional organisation within this region. Specifically, we seek to account for the wide variety of cognitive tasks that activate rIFG/aIns subregions and their associations with distributed functional networks.