Hair glucocorticoids in adults with intellectual disabilities and depressive symptoms pre-and post-bright light therapy: First explorations.

P.C.M. Hamers*, M. Savas, E. F. C. van Rossum, Y. B. de Rijke, P. J. E. Bindels , D. A. M. Festen, H. Hermans

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

BACKGROUND: Depressive symptoms and stress are common in adults with intellectual disabilities. Our aim was to explore long-term biological stress levels, assessed by hair cortisol (HairF) and cortisone (HairE) concentrations, in adults with intellectual disabilities and depressive symptoms and to investigate the effects of bright light therapy (BLT) on hair glucocorticoids.

METHOD: Scalp hair samples (n = 14) were retrospectively examined at baseline and post-BLT (10.000 and 300 lux). Liquid chromatography-tandem mass spectrometry was used to measure hair glucocorticoids.

RESULTS: A significant correlation was found between baseline HairF and depression scores (r = .605, p = .028). Post-intervention HairE levels were significantly increased ([95% CI: 11.2-17.4 pg/mg], p = .003), in particular after dim light (300 lux) ([95% CI: 10.0-18.3 pg/mg], p = .020).

CONCLUSIONS: This study showed that retrospectively examining biological levels of stress in adults with intellectual disabilities seems a potentially promising and objective method to gain insight in the stress level of adults with intellectual disabilities.
Original languageEnglish
Pages (from-to)1549-1559
Number of pages11
JournalJournal of Applied Research in Intellectual Disabilities
Volume34
Issue number6
Publication statusPublished - 2021
Externally publishedYes

Keywords

  • Bright light therapy
  • Cortisol
  • Cortison
  • Depression
  • Intellectual disabilities
  • Long‐term stress

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