Browsing by Author "Huepe, David"

Now showing 1 - 3 of 3
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    Does culture shape our understanding of others' thoughts and emotions? An investigation across 12 countries
    (2022) Quesque, François; Coutrot, Antoine; Cox, Sharon; Cruz de Souza, Leonardo; Baez, Sandra; Cardona, Juan; Mulet, Hannah; Flanagan, Emma; Neely, Alejandra; Clarens, María; Cassimiro, Luciana; Musa, Gada; Kemp, Jennifer; Botzung, Anne; Philippi, Nathalie; Cosseddu, Maura; Trujillo, Catalina; Grisales, Johan; Fittipaldi, Sol; Magrath, Nahuel; Calandri, Ismael; Crivelli, Lucia; Sedeno, Lucas; Sedeno, Lucas; Garcia, Adolfo; Moreno, Fermin; Indakoetxea, Begoña; Benussi, Alberto; Brandão, Millena; Santamaria, Hernando; Matallana, Diana; Pryanishnikova, Galina; Morozova, Anna; Iakovleva, Olga; Veryugina, Nadezda; Levin, Oleg; Zhao, Lina; Liang, Junhua; Duning, Thomas; Lebouvier, Thibaud; Pasquier, Florence; Huepe, David; Barandiaran, Myriam; Johnen, Andreas; Lyashenko, Elena; Allegri, Ricardo; Borroni, Barbara; Blanc, Frederic; Wang, Fen; Sanches, Monica; Lillo, Patricia; Teixeira, Antonio; Caramelli, Paulo; Hudon, Carol; Andrea Slachevsky; Ibáñez, Agustin; Hornberger, Michael; Bertoux, Maxime
    Measures of social cognition have now become central in neuropsychology, being essential for early and differential diagnoses, follow-up, and rehabilitation in a wide range of conditions. With the scientific world becoming increasingly interconnected, international neuropsychological and medical collaborations are burgeoning to tackle the global challenges that are mental health conditions. These initiatives commonly merge data across a diversity of populations and countries, while ignoring their specificity. Objective: In this context, we aimed to estimate the influence of participants' nationality on social cognition evaluation. This issue is of particular importance as most cognitive tasks are developed in highly specific contexts, not representative of that encountered by the world's population. Method: Through a large international study across 18 sites, neuropsychologists assessed core aspects of social cognition in 587 participants from 12 countries using traditional and widely used tasks. Results: Age, gender, and education were found to impact measures of mentalizing and emotion recognition. After controlling for these factors, differences between countries accounted for more than 20% of the variance on both measures. Importantly, it was possible to isolate participants' nationality from potential translation issues, which classically constitute a major limitation. Conclusions: Overall, these findings highlight the need for important methodological shifts to better represent social cognition in both fundamental research and clinical practice, especially within emerging international networks and consortia. (PsycInfo Database Record (c) 2022 APA, all rights reserved)
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    Standardization and diagnostic utility of the Frontal Assessment Battery for healthy people and patients with dementia in the Chilean population
    (2022) Grandi, Fabrissio; Martínez, David; Parra, Mario; Olavarria, Loreto; Huepe, David; Alegría, Patricia; Aliaga, Álvaro; Lillo, Patricia; Delgado, Carolina; Tenorio, Marcela; Rosas, Ricardo; López, Oscar; Becker, James; Slachevsky Chonchol, Andrea
    The Frontal Assessment Battery (FAB) is a screening test that measures executive functions. Although this instrument has been validated in several countries, its diagnostic utility in a Chilean population has not been studied yet. Objectives: This study aimed to (1) adapt FAB in a Chilean population; (2) study the psychometric properties of the FAB in a Chilean population; (3) assess the sociodemographic influence in the performance of the FAB in a sample of healthy controls (HC); and (4) develop normative data for this healthy group. Methods: A HC (n=344) and a group of patients with dementia (n=156) were assessed with the Chilean version of FAB. Results: FAB showed good internal consistency (Cronbach's alpha=0.79) and acceptable validity based on the relationship with other variables. Factor analysis showed the unidimensionality of the instrument. Significant differences were found in the total FAB value between the HC and dementia groups. With the matched sample, the established cutoff point was 13.5, showing a sensitivity of 80.8% and a specificity of 90.4%. Regression analysis showed that education and age significantly predicted FAB performance in the healthy group. Finally, normative data are provided. Conclusions: This study shows that FAB is a useful tool to discriminate between healthy people and people with dementia. However, further studies are needed to explore the capacity of the instrument to characterize the dysexecutive syndrome in people with dementia in the Chilean population.
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    Your perspective and my benefit: multiple lesion models of self-other integration strategies during social bargaining
    (01/09/2016) Melloni, Margherita; Billeke, Pablo; Baez, Sandra; Hesse, Eugenia; De la Fuente, Laura; Forno, Gonzalo; Birba, Agustina; García-Cordero, Indira; Serrano, Cecilia; Plastino, Angelo; Slachevsky, Andrea; Huepe, David; Sigman, Mariano; Manes, Facundo; García, Adolfo; Sedeño, Lucas; Ibáñez, Agustín
    Recursive social decision-making requires the use of flexible, context-sensitive long-term strategies for negotiation. To succeed in social bargaining, participants' own perspectives must be dynamically integrated with those of interactors to maximize self-benefits and adapt to the other's preferences, respectively. This is a prerequisite to develop a successful long-term self-other integration strategy. While such form of strategic interaction is critical to social decision-making, little is known about its neurocognitive correlates. To bridge this gap, we analysed social bargaining behaviour in relation to its structural neural correlates, ongoing brain dynamics (oscillations and related source space), and functional connectivity signatures in healthy subjects and patients offering contrastive lesion models of neurodegeneration and focal stroke: behavioural variant frontotemporal dementia, Alzheimer's disease, and frontal lesions. All groups showed preserved basic bargaining indexes. However, impaired self-other integration strategy was found in patients with behavioural variant frontotemporal dementia and frontal lesions, suggesting that social bargaining critically depends on the integrity of prefrontal regions. Also, associations between behavioural performance and data from voxel-based morphometry and voxel-based lesion-symptom mapping revealed a critical role of prefrontal regions in value integration and strategic decisions for self-other integration strategy. Furthermore, as shown by measures of brain dynamics and related sources during the task, the self-other integration strategy was predicted by brain anticipatory activity (alpha/beta oscillations with sources in frontotemporal regions) associated with expectations about others' decisions. This pattern was reduced in all clinical groups, with greater impairments in behavioural variant frontotemporal dementia and frontal lesions than Alzheimer's disease. Finally, connectivity analysis from functional magnetic resonance imaging evidenced a fronto-temporo-parietal network involved in successful self-other integration strategy, with selective compromise of long-distance connections in frontal disorders. In sum, this work provides unprecedented evidence of convergent behavioural and neurocognitive signatures of strategic social bargaining in different lesion models. Our findings offer new insights into the critical roles of prefrontal hubs and associated temporo-parietal networks for strategic social negotiation

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