Anxiety and depressive symptoms in childhood--a genetic study of comorbidity

Thapar, Anita ORCID: https://orcid.org/0000-0002-3689-737X and McGuffin, P. 1997. Anxiety and depressive symptoms in childhood--a genetic study of comorbidity. Journal of Child Psychology and Psychiatry 38 (6) , pp. 651-656. 10.1111/j.1469-7610.1997.tb01692.x

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Abstract

Anxiety and depressive symptoms commonly co-occur yet the underlying mechanisms for this covariation remain poorly understood. Genetic strategies are a useful means of investigating whether the comorbidity of two sets of symptoms or disorders can be explained by the same aetiological factors. In this paper we use a systematically ascertained sample of 172 twin pairs aged 8 to 16 years to examine the causes of covariation of maternally rated anxiety and depressive symptoms. The results suggest that most of the covariation can be explained by a common set of genes that influence anxiety and depressive symptoms. Some covariation between anxiety and depressive symptoms is also explained by environmental influences of the non-shared type. In addition, depressive symptoms also appear to be influenced by specific genetic factors.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine MRC Centre for Neuropsychiatric Genetics and Genomics (CNGG) Neuroscience and Mental Health Research Institute (NMHRI)
Subjects:	R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Publisher:	Wiley-Blackwell
ISSN:	0021-9630
Last Modified:	22 Jul 2024 14:16
URI:	https://orca.cardiff.ac.uk/id/eprint/81836

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