Decoding the neural representation of fine-grained conceptual categories

NeuroImage
Marta GhioMarco Tettamanti

Abstract

Neuroscientific research on conceptual knowledge based on the grounded cognition framework has shed light on the organization of concrete concepts into semantic categories that rely on different types of experiential information. Abstract concepts have traditionally been investigated as an undifferentiated whole, and have only recently been addressed in a grounded cognition perspective. The present fMRI study investigated the involvement of brain systems coding for experiential information in the conceptual processing of fine-grained semantic categories along the abstract-concrete continuum. These categories consisted of mental state-, emotion-, mathematics-, mouth action-, hand action-, and leg action-related meanings. Thirty-five sentences for each category were used as stimuli in a 1-back task performed by 36 healthy participants. A univariate analysis failed to reveal category-specific activations. Multivariate pattern analyses, in turn, revealed that fMRI data contained sufficient information to disentangle all six fine-grained semantic categories across participants. However, the category-specific activity patterns showed no overlap with the regions coding for experiential information. These findings demonstrate the possi...Continue Reading

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Citations

Apr 17, 2016·Behavioural Brain Research·Marta GhioChristian Bellebaum
Dec 19, 2017·Frontiers in Psychology·Laura BarcaAnna M Borghi
May 4, 2018·Cerebral Cortex·Atesh KoulCristina Becchio
Jun 20, 2018·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Marta GhioMarco Tettamanti
Nov 22, 2016·Frontiers in Psychology·Giosuè BaggioRoberto Eleopra
Jun 20, 2018·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Friedemann Pulvermüller
Jun 20, 2018·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Rutvik H DesaiWessel van Dam

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