Web of Science: 34 cites, Scopus: 32 cites, Google Scholar: cites,
A lesion model of envy and Schadenfreude : legal, deservingness and moral dimensions as revealed by neurodegeneration
Santamaría-García, Hernando (Grupo de Investigación en Cerebro y Cognición Social, Bogotá, Colombia)
Baez, Sandra (Universidad de los Andes, Bogotá, Colombia)
Reyes, Pablo (Pontificia Universidad Javeriana, Departments of Physiology, Psychiatry and Aging Institute Bogotá, Colombia)
Santamaría-García, José A (Universidad de los Andes, Bogotá, Colombia)
Santacruz-Escudero, José M (Universitat Autònoma de Barcelona. Departament de Psiquiatria i de Medicina Legal)
Matallana, Diana (Pontificia Universidad Javeriana, Departments of Physiology, Psychiatry and Aging Institute Bogotá, Colombia)
Arévalo, Analía (Departamento de Neurologia, Faculdade de Medicina, Universidade de Sao Paulo (FMUSP), Sao Paulo, Brazil)
Sigman, Mariano (Universidad Torcuato di Tella, Laboratorio de Neurociencias, Buenos Aires, Argentina)
García, Adolfo M (Faculty of Education, National University of Cuyo (UNCuyo), Mendoza, Argentina)
Ibáñez, Agustín (Australian Research Council Centre of Excellence in Cognition and its Disorders, Sydney, Australia)

Data: 2017
Resum: Moral emotions have been assessed with correlational imaging techniques and framed as monolithic domains. Hernando et al. present a novel task indexing dimensions of schadenfreude and envy: deservingness, morality, and legality. An increase in both schadenfreude and envy accompanies atrophy of social cognition networks in patients with behavioural variant FTD. The study of moral emotions (i. e. Schadenfreude and envy) is critical to understand the ecological complexity of everyday interactions between cognitive, affective, and social cognition processes. Most previous studies in this area have used correlational imaging techniques and framed Schadenfreude and envy as unified and monolithic emotional domains. Here, we profit from a relevant neurodegeneration model to disentangle the brain regions engaged in three dimensions of Schadenfreude and envy: deservingness, morality, and legality. We tested a group of patients with behavioural variant frontotemporal dementia (bvFTD), patients with Alzheimer's disease, as a contrastive neurodegeneration model, and healthy controls on a novel task highlighting each of these dimensions in scenarios eliciting Schadenfreude and envy. Compared with the Alzheimer's disease and control groups, patients with bvFTD obtained significantly higher scores on all dimensions for both emotions. Correlational analyses revealed an association between envy and Schadenfreude scores and greater deficits in social cognition, inhibitory control, and behaviour disturbances in bvFTD patients. Brain anatomy findings (restricted to bvFTD and controls) confirmed the partially dissociable nature of the moral emotions' experiences and highlighted the importance of socio-moral brain areas in processing those emotions. In all subjects, an association emerged between Schadenfreude and the ventral striatum, and between envy and the anterior cingulate cortex. In addition, the results supported an association between scores for moral and legal transgression and the morphology of areas implicated in emotional appraisal, including the amygdala and the parahippocampus. By contrast, bvFTD patients exhibited a negative association between increased Schadenfreude and envy across dimensions and critical regions supporting social-value rewards and social-moral processes (dorsolateral prefrontal cortex, angular gyrus and precuneus). Together, this study provides lesion-based evidence for the multidimensional nature of the emotional experiences of envy and Schadenfreude. Our results offer new insights into the mechanisms subsuming complex emotions and moral cognition in neurodegeneration. Moreover, this study presents the exacerbation of envy and Schadenfreude as a new potential hallmark of bvFTD that could impact in diagnosis and progression.
Nota: Altres ajuts: This work was supported by grants from CONICYT/FONDECYT Regular (1170010), PICT 2012-0412, PICT 2012-1309, CONICET, CONICYT/FONDAP 15150012, and the INECO Foundation. This work also received support from Colciencias and APS Project 697 -2014. Finally, the Frontal Lobe Project from Universidad Javeriana and Hospital Universitario San Ignacio, Centro de Memoria y Cognición Intellectus also provided support for this study.
Drets: Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original. Creative Commons
Llengua: Anglès
Document: Article ; recerca ; Versió publicada
Matèria: Dementia ; Social cognition ; Brain atrophy ; Frontotemporal dementia
Publicat a: Brain, Vol. 140 (november 2017) , p. 3357-3377, ISSN 1460-2156

DOI: 10.1093/brain/awx269
PMID: 29112719

21 p, 1.0 MB

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