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Neural correlates underlying the comprehension of deceitful and ironic communicative intentions
Abstract: Neuroimaging studies have shown that a left fronto-temporoparietal cerebral network is recruited in the comprehension of both deceitful and ironic speech acts. However, no studies to date have directly compared neural activation during the comprehension of these pragmatic phenomena. We used fMRI to investigate the existence of common and specific neural circuits underlying the comprehension of the same speech act, uttered with different communicative intentions, i.e. of being sincere, deceitful or ironic. In particular, the novelty of the present study is that it explores the existence of a specific cerebral area involved in the recognition of irony vs. deceit. We presented 23 healthy participants with 48 context stories each followed by a target sentence. For each story we designed different versions eliciting, respectively, different pragmatic interpretations of the same target sentence - literal, deceitful or ironic -. We kept the semantic and syntactic complexity of the target sentence constant across the conditions. Our results showed that the recognition of ironic communicative intention activated the left temporo-parietal junction (lTPJ), the left inferior frontal gyrus (lIFG), the left middle frontal gyrus (lMFG), the left middle temporal gyrus (lMTG), and the left dorsolateral frontal cortex (lDLPFC). Comprehension of deceitful communicative intention activated the lIFG, the lMFG, and the lDLPFC. fMRI analysis revealed that a left fronto-temporal network - including the IFG, the DLPFC and the MFG - is activated in both irony and deceit recognition. The original result of the present investigation is that the lMTG was found to be more active in the comprehension of ironic vs. deceitful communicative intention, thus suggesting its specific role in irony recognition. To conclude, our results showed that common cerebral areas are recruited in the comprehension of both pragmatic phenomena, while the lMTG has a key role in the recognition of ironic vs. deceitful communicative intention.
Keyword: Cognitive Neuroscience; Communicative intention; Comprehension; Deceit; Experimental and Cognitive Psychology; fMRI; Irony; Neuropsychology and Physiological Psychology; Pragmatics; Speech act
URL: http://hdl.handle.net/2318/1653038
https://pubmed.ncbi.nlm.nih.gov/28728080/
https://doi.org/10.1016/j.cortex.2017.06.010
http://www.cortex-online.org/
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2
Schizophrenia
Bosco, Francesca Marina; Parola, Alberto. - : Cummings, Louise, 2017. : country:GBR, 2017. : place:Cambridge, 2017
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3
Communicative-pragmatic disorders in traumatic brain injury: The role of theory of mind and executive functions
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