Measurement of Social Cognition in Amyotrophic Lateral Sclerosis: A Population Based Study

Tom Burke, Marta Pinto-Grau, Katie Lonergan, Marwa Elamin, Peter Bede, Emmet Costello, Orla Hardiman and Niall Pender

PLOS ONE, 2016, vol. 11, issue 8, 1-12

Abstract: Background: Amyotrophic lateral sclerosis (ALS) is a rapidly progressive neurodegenerative disease. Executive dysfunction is common in patients with ALS, with up to 50% of patients performing within an impaired range. There is evidence that social cognitive deficits associated with ALS are a function of deficits in executive function. The ‘Reading the Mind in the Eyes’ Test is a recognized test of social cognitive function, although the reliability of this instrument remains to be established. Methodology: Patients with ALS (n = 106), and age and IQ matched controls (n = 50) were recruited and asked to perform the Reading the Mind in the Eyes Test as part of an on-going population-based study of cognitive function. ALS patients were sub-stratified based on the presence, and/or extent of executive dysfunction. Results: Cronbach’s Alpha of .73 was observed, indicating good reliability on this measure. Split-half reliability analysis further confirms these findings (p = 0.826). The Reading the Mind in the Eyes test had excellent psychometric properties when discriminating between ALS patients who are cognitively intact, and those who have executive impairment, with an overall medium difficulty. There was a large magnitude significant difference between patients and controls (p

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0160850

DOI: 10.1371/journal.pone.0160850

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