Low Salivary Cortisol Levels and Externalizing Behavior Problems in Youths  

Oleh:

Granger, Douglas A. ; Booth, Alan ; Johnson, David ; Shirtcliff, Elizabeth A.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Development and Psychopathology vol. 17 no. 1 (2005), page 167-184.
Topik: BEHAVIOUR; youths; low salivary cortisol levels; externalizing behaviour problems
Fulltext: DD21_17_01_ELIZABETH A. SHIRTCLIFF.pdf (197.43KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: DD21.8 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Research linking basal cortisol levels with internalizing and externalizing behaviour problems in youth has yielded inconsistent results. We hypothesize that the high moment to moment variation in adrenocortical activity requires an analytical strategy that separates variance in cortisol levels attributable to "stable traitlike" versus "state or situationally specific sources. Early morning saliva samples were obtained from 724 youths (M age = 13.5 years; range = 6 – 16 years in Year 1) on 2 successive days 1 year apart. Latent state – trait modeling revealed that 70% of the variance in cortisol levels could be attributed to statelike sources, and 28% to traitlike sources. For boys only, higher levels of externalizing problem behaviors were consistently associated with lower cortisol attributable to traitlike sources across 3 years of behavioural assessment. The inverse association between individual differences in cortisol and externalizing problem behaviour has previously only been reported in studies of at-risk or clinical groups. The present findings suggest the relationship is a stable phenomenon that spans both normative and atypical child development. Studies are needed to reveal the biosocial mechanisms involved in the establishment and maintenance of this phenomenon, and to decipher whether individual differences in this hormone – behaviour link confers risk or resilience.

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