Inserm Unit 1172 Lille Neuroscience & Cognition
Degenerative and vascular cognitive disorders team
Human interactions are enabled by a set of neurocognitive mechanisms defined by the concept of “social cognition”. In order to identify social cognition disorders, specialists use internationally validated evaluation tests. However, these are most often developed in western, industrialized countries, which could question the relevance of applying them to all humanity. A research team from Inserm, University Hospital Lille, and Université de Lille within the Lille Neuroscience & Cognition laboratory looked at the impact of cultural differences on the performances on two of the neurocognitive tests most used worldwide, comparing the results of around 600 healthy participants across 12 countries. Their study, to be published in Neuropsychology, highlights notable differences in performance from one country to another and calls for more consideration to be given to the social sciences when developing such tests.
The concept of “social cognition” designates the various cognitive processes (perception, memorization, reasoning, emotion…) involved in social interactions. Disorders of social cognition are encountered in many diseases, such as schizophrenia and Parkinson’s, and in neurodevelopmental disorders, such as autism. They are responsible for highly incapacitating interpersonal difficulties that strongly impact the lives of patients and those around them. Consequently, the detection, quality of evaluation, and treatment of such disorders represent a major challenge for mental health specialists.
However, these reference cognitive tests are most often developed in western, industrialized, and democratic countries and their “norms” for the most part based on profiles of well-educated, rich, white people. Insofar as such individuals constitute only 12 % of humanity, their overrepresentation in the development of neuropsychological tests calls into question the relevance of their application to other populations.
A team of scientists led by Inserm researcher Maxime Bertoux within the Lille Neuroscience & Cognition laboratory (Inserm/University Hospital Lille/Université de Lille) sought to determine whether cultural differences have a notable impact on the results of the most commonly used social cognition tests. This involved conducting a vast international study on 587 healthy participants, from 18 to 89 years of age, across 12 countries (Germany, England, Argentina, Brazil, Canada, Chili, China, Colombia, Spain, France, Italy, and Russia). Neuropsychologists subjected the participants to two types of test evaluating the capacities considered essential in social cognition.
The first, devised in the UK, evaluated the capacity to decode social rules and infer others’ mental state by asking the participants to identify, in various short scenes, whether one of the characters was committing a social faux pas (for example, mistaking a customer for a waiter in a restaurant). The second test, devised in the US, evaluated the capacity to recognize the expression of emotions by asking the participants to identify various facial expressions on photographs.
The results of the study show that a large proportion of the divergences in performance on these two tests (around one quarter for the faux pas test and over 20 % for the emotions recognition test) is attributable to the differences in nationality of the participants.
The best performances in the faux pas test were obtained by the English participants, without the literal translation from English to the other participants’ native languages having an impact on the results.
For example, 100 % of the English participants considered it a faux pas to mistake a customer for a waiter in a restaurant versus only 65 % of the Canadian participants. Furthermore, while 100 % of the English participants considered it normal to give up their seat on a bus for an elderly person, 21 % of the Chinese participants considered it a faux pas.
In the results of the emotional facial expression recognition test, the comparison between the countries reveals that some emotions were not identified in the same way by all participants. While positive expressions such as joy were interpreted unambiguously from one country to another, the interpretation of negative emotions was much more variable. For example, fear was confused with surprise by the majority of the Canadian and Brazilian participants, whereas the English and Argentinians had virtually no difficulty differentiating them.
“This study shows that individual and cultural factors have a strong impact on social cognition measures, declares Bertoux. Beyond the effect of age, gender, and education, there is an influence of local concepts, norms and habits on the categorization of emotions, inferring others’ intentions and understanding their behavior.“ As such, the use of tests devised by rich, white US or UK scientists, would favor the performance of the participants from the same country, culture, and social level.
“Of course, this does not mean that the inhabitants of one country are superior or inferior to those of another, adds the researcher. Our study shows that a test devised in a specific context favors those who are familiar with that context. For example, identifying a faux pas requires detecting that an implicit social rule has been broken – but social rules fluctuate from one country to another.”
For its future studies, the research team would like to enrich its data by including more participants and countries – particularly regions of the world not represented in this research, such as Africa and the Middle East –, but also by exploring the neurocognitive and cultural variations within vast countries such as China and Canada. “The neurosciences need to interact more with the social sciences in exploring and considering cultural diversity in order to build a more rigorous, relevant, and inclusive neuropsychology,” concludes Bertoux.
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Does culture shape our understanding of others’ thoughts and emotions? An investigation across 12 countries
Neuropsychology, juillet 2022
Quesque François1, Coutrot Antoine2, Cox Sharon3, de Souza Leonardo Cruz4, Baez Sandra5, Cardona Juan Felipe6, Mulet-Perreault Hannah7, Flanagan Emma8, 9, Neely-Prado Alejandra10, Clarens Maria Florencia11, Cassimiro Luciana12, Musa Gada13, Kemp Jennifer14, Botzung Anne14, Philippi Nathalie14, Cosseddu Maura15, Trujillo Catalina6, Grisales Johan Sebastián6, Fittipaldi Sol16, 17, Magrath Guimet Nahuel11, Calandri Ismael Luis11, Crivelli Lucia11, Sedeno Lucas17, Garcia Adolfo M16, 17, 18, 19, Moreno Fermin20, Indakoetxea Begoña20, Benussi Alberto21, Brandão Moura Millena Vieira4, Santamaria-Garcia Hernando 22, Matallana Diana 22, Prianishnikova Galina23, Morozova Anna23, Iakovleva Olga23, Veryugina Nadezda23, Levin Oleg23, Zhao Lina24, Liang Junhua24, Duning Thomas25, Lebouvier Thibaud1, Pasquier Florence1, Huepe David10, Barandiaran Myriam20, Johnen Andreas25, Lyashenko Elena23, Allegri Ricardo F11, Borroni Barbara21, Blanc Frederic14, Wang Fen24, Yassuda Monica Sanches12, Lillo Patricia13, Teixeira Antônio Lúcio4, Caramelli Paulo4, Hudon Carol7, Slachevsky Andrea26, 27, 28, 29, Ibáñez Agustin10, 16, 17, 19, 30†, Hornberger Michael8, 9†, Bertoux Maxime1, 9.
1 Univ. Lille, Inserm, CHU Lille, U1172 – LilNCog – Lille Neuroscience & Cognition, F-59000 Lille, France – LiCEND
2 Université de Nantes, CNRS, LS2N, F-44000 Nantes, France
3 Department of Behavioural Science and Health, Institute of Epidemiology and Healthcare,
University College London, London, UK
4 University of Belo Horizonte, Brazil.
5 Universidad de los Andes, Bogotá, Colombia
6 Instituto de Psicología, Universidad del Valle, Cali, Colombia
7 Université Laval and CERVO Brain Research Centre, Québec, Canada
8 Norwich Medical School, University of East Anglia, UK
9 Department of Clinical Neurosciences, University of Cambridge, UK
10 Center for Social and Cognitive Neuroscience, School of Psychology, Adolfo Ibáñez University, Santiago, Chile
11 FLENI Fondation, Department of Neurology, Buenos Aires, Argentina
12 School of Arts, Sciences and Humanities, University of São Paulo, Department of Neurology, São Paulo, Brazil
13 Universidad de Chile, Santiago, Chile
14 University of Strasbourg, Strasbourg, France
15 Neurology Unit, Spedali Civili Hospital, Brescia, Italy
16 Universidad de San Andrés, Buenos Aires, Argentina
17 National Scientific and Technical Research Council (CONICET), Argentina
18 Departamento de Lingüística y Literatura, Facultad de Humanidades, Universidad de Santiago de Chile, Santiago, Chile.
19 Global Brain Health Institute (GBHI), University of California-San Francisco (UCSF), San Francisco, California, United States.
20 Department of Neurology, Unit of Cognitive Disorders, Hospital Universitario Donostia, San Sebastian, Spain
21 Centre for Neurodegenerative Disorders, Department of Clinical and Experimental Sciences, University of Brescia, Brescia, Italy
22 School of Medicine, Neuroscience Doctorate. Aging Institute, Physiology and Psychiatry Department. Pontificia Universidad Javeriana, Bogotá, Colombia
23 Central Clinic No 1 of the Ministry of Internal Affairs, Moskva, Russia
24 Innovation center for neurological disorders, Department of Neurology, Xuan Wu Hospital, Capital Medical University, 45 Changchun Street, Beijing
25 Clinic of Neurology with Institute for Translational Neurology, University Hospital Münster, Münster, Germany
26 Geroscience Center for Brain Health and Metabolism (GERO), Faculty of Medicine, University of Chile, Santiago, Chile.
27 Neuropsychology and Clinical Neuroscience Laboratory (LANNEC), Physiopathology Department – ICBM, Neurocience and East Neuroscience Departments, Faculty of Medicine, University of Chile, Santiago, Chile.
28 Memory and Neuropsychiatric Clinic (CMYN) Neurology Department, Hospital del Salvador and Faculty of Medicine, University of Chile, Santiago, Chile.
29 Servicio de Neurología, Departamento de Medicina, Clínica Alemana-Universidad del Desarrollo, Santiago, Chile.
30 Universidad Autónoma del Caribe, Barranquilla, Colombia.
† These authors contributed equally