Revue neurologique · 2025
Assessment of social cognition impairments in patients with amyotrophic lateral sclerosis: How can it be improved? A systematic review.
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Vovard B, Faure-de Baets J, Codron P, Allain P, Cassereau J
Аннотация
OBJECTIVES: The aim of this review was to evaluate the current evidence on which part of social cognition is impaired in amyotrophic lateral sclerosis (ALS) patients among emotion recognition, affective empathy and Theory of Mind (ToM) and to suggest improvements in social cognition testing protocols.
METHODS: A systematic review was conducted according to PRISMA guidelines. We included controlled cross-sectional or longitudinal studies published in English before September 1, 2024, that assessed social cognition in non-demented ALS patients. Searches were performed in Medline, Embase, Web of Science, and PsycINFO using specific MeSH terms. Studies using social cognition tests as a primary or secondary outcome were included.
RESULTS: Thirty-four studies were analyzed. Impairments in emotion recognition - especially for negative emotions - were frequently reported, even in cognitively preserved ALS patients. Results for cognitive ToM were mixed and may be confounded by executive dysfunction or test limitations. In contrast, affective ToM deficits were more consistently identified. However, no included study directly assessed affective empathy. Tests used in the reviewed studies were often overly specific and lacked ecological validity, which may explain inconsistent results across domains and weak correlations with imaging or executive function.
CONCLUSION: Social cognition is increasingly recognized as a key non-motor domain affected in ALS. However, current assessment tools may lack the sensitivity and ecological validity needed to capture real-life deficits. The implementation of dynamic, multimodal assessments such as real-life social interaction tests or tests like the Movie Assessment for Social Cognition (MASC) could improve detection and guide clinical interventions but remain to be validated for ALS patients.
METHODS: A systematic review was conducted according to PRISMA guidelines. We included controlled cross-sectional or longitudinal studies published in English before September 1, 2024, that assessed social cognition in non-demented ALS patients. Searches were performed in Medline, Embase, Web of Science, and PsycINFO using specific MeSH terms. Studies using social cognition tests as a primary or secondary outcome were included.
RESULTS: Thirty-four studies were analyzed. Impairments in emotion recognition - especially for negative emotions - were frequently reported, even in cognitively preserved ALS patients. Results for cognitive ToM were mixed and may be confounded by executive dysfunction or test limitations. In contrast, affective ToM deficits were more consistently identified. However, no included study directly assessed affective empathy. Tests used in the reviewed studies were often overly specific and lacked ecological validity, which may explain inconsistent results across domains and weak correlations with imaging or executive function.
CONCLUSION: Social cognition is increasingly recognized as a key non-motor domain affected in ALS. However, current assessment tools may lack the sensitivity and ecological validity needed to capture real-life deficits. The implementation of dynamic, multimodal assessments such as real-life social interaction tests or tests like the Movie Assessment for Social Cognition (MASC) could improve detection and guide clinical interventions but remain to be validated for ALS patients.