Influence of age, sex and genetic factors on the human brain

We report effects of age, age<sup>2</sup>, sex and additive genetic factors on variability in gray matter thickness, surface area and white matter integrity in 1,010 subjects from the Genetics of Brain Structure and Function Study. Age was more strongly associated with gray matter thickn...

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Hlavní autoři: McKay, DR, Knowles, E, Winkler, A, Sprooten, E, Kochunov, P, Olvera, R, Curran, J, Kent, J, Carless, M, Göring, H, Dyer, T, Duggirala, R, Almasy, L, Fox, P, Blangero, J, Glahn, D
Médium: Journal article
Jazyk:English
Vydáno: Springer US 2014
Témata:
_version_ 1826305049830096896
author McKay, DR
Knowles, E
Winkler, A
Sprooten, E
Kochunov, P
Olvera, R
Curran, J
Kent, J
Carless, M
Göring, H
Dyer, T
Duggirala, R
Almasy, L
Fox, P
Blangero, J
Glahn, D
author_facet McKay, DR
Knowles, E
Winkler, A
Sprooten, E
Kochunov, P
Olvera, R
Curran, J
Kent, J
Carless, M
Göring, H
Dyer, T
Duggirala, R
Almasy, L
Fox, P
Blangero, J
Glahn, D
author_sort McKay, DR
collection OXFORD
description We report effects of age, age<sup>2</sup>, sex and additive genetic factors on variability in gray matter thickness, surface area and white matter integrity in 1,010 subjects from the Genetics of Brain Structure and Function Study. Age was more strongly associated with gray matter thickness and fractional anisotropy of water diffusion in white matter tracts, while sex was more strongly associated with gray matter surface area. Widespread heritability of neuroanatomic traits was observed, suggesting that brain structure is under strong genetic control. Furthermore, our findings indicate that neuroimaging-based measurements of cerebral variability are sensitive to genetic mediation. Fundamental studies of genetic influence on the brain will help inform gene discovery initiatives in both clinical and normative samples.
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spelling oxford-uuid:f4a2a826-9fcc-4143-8e8f-80e66a4281452022-03-27T12:21:21Z Influence of age, sex and genetic factors on the human brainJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:f4a2a826-9fcc-4143-8e8f-80e66a428145NeuroscienceNeurogeneticsEnglishSymplectic Elements at OxfordSpringer US2014McKay, DRKnowles, EWinkler, ASprooten, EKochunov, POlvera, RCurran, JKent, JCarless, MGöring, HDyer, TDuggirala, RAlmasy, LFox, PBlangero, JGlahn, DWe report effects of age, age<sup>2</sup>, sex and additive genetic factors on variability in gray matter thickness, surface area and white matter integrity in 1,010 subjects from the Genetics of Brain Structure and Function Study. Age was more strongly associated with gray matter thickness and fractional anisotropy of water diffusion in white matter tracts, while sex was more strongly associated with gray matter surface area. Widespread heritability of neuroanatomic traits was observed, suggesting that brain structure is under strong genetic control. Furthermore, our findings indicate that neuroimaging-based measurements of cerebral variability are sensitive to genetic mediation. Fundamental studies of genetic influence on the brain will help inform gene discovery initiatives in both clinical and normative samples.
spellingShingle Neuroscience
Neurogenetics
McKay, DR
Knowles, E
Winkler, A
Sprooten, E
Kochunov, P
Olvera, R
Curran, J
Kent, J
Carless, M
Göring, H
Dyer, T
Duggirala, R
Almasy, L
Fox, P
Blangero, J
Glahn, D
Influence of age, sex and genetic factors on the human brain
title Influence of age, sex and genetic factors on the human brain
title_full Influence of age, sex and genetic factors on the human brain
title_fullStr Influence of age, sex and genetic factors on the human brain
title_full_unstemmed Influence of age, sex and genetic factors on the human brain
title_short Influence of age, sex and genetic factors on the human brain
title_sort influence of age sex and genetic factors on the human brain
topic Neuroscience
Neurogenetics
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