Attentional modulation of affective versus sensory processing: functional connectivity and a top-down biased activation theory of selective attention

Journal of Neurophysiology
Fabian Grabenhorst, Edmund T Rolls

Abstract

Top-down selective attention to the affective properties of taste stimuli increases activation to the taste stimuli in the orbitofrontal cortex (OFC) and pregenual cingulate cortex (PGC), and selective attention to the intensity of the stimuli increases the activation in the insular taste cortex, but the origin of the top-down attentional biases is not known. Using psychophysiological interaction connectivity analyses, we showed that in the anterior lateral prefrontal cortex (LPFC) at Y = 53 mm the correlation with activity in OFC and PGC seed regions was greater when attention was to pleasantness compared with when attention was to intensity. Conversely, we showed that in a more posterior region of the LPFC at Y = 34 the correlation with activity in the anterior insula seed region was greater when attention was to intensity compared with when attention was to pleasantness. We also showed that correlations between areas in these separate processing streams were dependent on selective attention to affective value versus physical intensity of the stimulus. We then propose a biased activation theory of selective attention to account for the findings and contrast this with a biased competition theory of selective attention.

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Citations

Sep 20, 2012·The Proceedings of the Nutrition Society·Edmund T Rolls
Dec 3, 2011·Pain Research and Treatment·Marta CekoRichard H Gracely
Mar 1, 2012·Chemosensory Perception·Maria G VeldhuizenDana M Small
Oct 4, 2014·Neuroscience and Biobehavioral Reviews·E Quattrocki, Karl Friston
Jul 19, 2011·Brain Research·Yuko NakamuraKazunori Yoshiura
Jan 21, 2014·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Edmund T Rolls
Sep 10, 2013·Neuropsychologia·Nazbanou Nozari, Sharon L Thompson-Schill
Dec 24, 2014·Neurobiology of Learning and Memory·Edmund T Rolls, Gustavo Deco
May 6, 2016·Annual Review of Nutrition·Edmund T Rolls
Sep 17, 2013·Human Brain Mapping·Fabian Grabenhorst, Edmund T Rolls
Feb 6, 2020·Frontiers in Systems Neuroscience·Louisa DahmaniVéronique D Bohbot
Apr 8, 2018·Cognitive, Affective & Behavioral Neuroscience·Benjamin Ernst, Marco Steinhauser
Dec 29, 2020·Brain Communications·Edmund T RollsJianfeng Feng
Apr 9, 2021·Social Cognitive and Affective Neuroscience·Edmund T Rolls

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