Publication: Effects of psychosocial stress on the hormonal and affective response in T children with dyslexia
Authors
Espín López, Laura ; García, Irene ; Sánchez López, María del Pino ; Román, Francisco ; Salvador, Alicia
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Facultades de la UMU::Facultad de Psicología y Logopedia
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Publisher
Elsevier
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DOI
https://doi.org/10.1016/j.tine.2019.03.001
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info:eu-repo/semantics/article
Description
Abstract
Introduction: Research on stress and dyslexia has mainly focused on chronic and contextual stress caused by the school environment. Our goal was to test individual differences in the hypothalamic-pituitary-adrenal (HPA) axis reactivity of dyslexic and non-dyslexic children and the related emotional manifestations associated with ex- posure to a psychosocial stressor.
Methods: Eighty-one children (11–14 years old; 38 dyslexic) were exposed to the Trier Social Stress Test adapted to children or to a control condition. The salivary cortisol response, anxiety, and mood were measured before and after the stress.
Results: Dyslexic children did not show the expected cortisol response, as the highest percentage of children who were non-reactive to stress was found in this group. Cortisol reactivity to stress was related to higher levels of anxiety and lower positive affect in the non-dyslexic children.
Conclusion: These results suggest a pattern of hypo-activation of the HPA axis to psychosocial stress in children with dyslexia.
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Citation
Trends in Neuroscience and Education, Volume 15, June 2019, Pages 1-9
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