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Abstract:

Abstract Introduction Basic emotions are biologically determined emotional states , their expression and recognition is universal and innate . Complex emotions arise from the combination of basic emotions and their recognition is achieved by means of Theory of Mind ( ToM ) . Objective To investigate the presence of alterations in facial recognition of basic emotions ( FRBE ) and its relation to the recognition of complex emotions in a group of patients with beheavioural variant of Frontotemporal Dementia ( bvFTD ) . Patients and methods Sixty pictures from the Pictures of Facial Affect set were selected based on Calder et al . ( 1996 ) selection and a three tests battery for FRBE was administrated . The test of complex emotions Reading the Mind in the Eyes ( RME ) was also administered . Subjects : A cohort of 14 patients diagnosed with bvFTD from Laboratorio de Deterioro Cognitivo - HIGA Eva Perón , and a control group for FRBE tasks . A multiple study of isolated cases was conducted . Results Significant differences between controls and patients were found for FRBE . RME showed correlations with the three tasks FRBE : Selection ( r :  .570 , _P_ = .034 ) , Mating ( r :  .600 , _P_ = .023 ) , and Naming ( r :  .770 , _P_ = .001 ) . Double dissociations were observed between LMO and RFEB tasks . Conclusions The presence of group - level correlations could indicate that basic emotions are involved in the formation of secondary emotions . However , the presence of double dissociations between tasks could indicate that its execution involves partially independent processes .
beheavioural variant of Frontotemporal Dementia
bvFTD
bvFTD