User profiles for Tomas Hajek

Tomas Hajek

- Verified email at dal.ca - Cited by 10160

Tomáš Hájek

- Verified email at prf.jcu.cz - Cited by 3145

Risk of mental illness in offspring of parents with schizophrenia, bipolar disorder, and major depressive disorder: a meta-analysis of family high-risk studies

D Rasic, T Hajek, M Alda, R Uher - Schizophrenia bulletin, 2014 - academic.oup.com
Objective: Offspring of parents with severe mental illness (SMI; schizophrenia, bipolar
disorder, major depressive disorder) are at an increased risk of developing mental illness. We …

Cortical abnormalities in bipolar disorder: an MRI analysis of 6503 individuals from the ENIGMA Bipolar Disorder Working Group

…, S Sarró, S Frangou, TD Satterthwaite, T Hajek… - Molecular …, 2018 - nature.com
Despite decades of research, the pathophysiology of bipolar disorder (BD) is still not well
understood. Structural brain differences have been associated with BD, but results from …

The ENIGMA Consortium: large-scale collaborative analyses of neuroimaging and genetic data

…, RC Gur, HHH Göring, S Hagenaars, T Hajek… - Brain imaging and …, 2014 - Springer
The Enhancing NeuroImaging Genetics through Meta-Analysis (ENIGMA) Consortium is a
collaborative network of researchers working together on a range of large-scale studies that …

Atmospheric nitrogen deposition promotes carbon loss from peat bogs

…, T Ellis, R Gerdol, M Hájek, T Hájek… - Proceedings of the …, 2006 - National Acad Sciences
Peat bogs have historically represented exceptional carbon (C) sinks because of their
extremely low decomposition rates and consequent accumulation of plant remnants as peat. …

Subcortical volumetric abnormalities in bipolar disorder

…, RS Kahn, M Bauer, A Pfennig, M Alda, T Hajek… - Molecular …, 2016 - nature.com
Considerable uncertainty exists about the defining brain changes associated with bipolar
disorder (BD). Understanding and quantifying the sources of uncertainty can help generate …

ENIGMA and global neuroscience: A decade of large-scale studies of the brain in health and disease across more than 40 countries

…, D Garijo, Y Gil, HJ Grabe, KL Grasby, T Hajek… - Translational …, 2020 - nature.com
This review summarizes the last decade of work by the ENIGMA (Enhancing NeuroImaging
Genetics through Meta Analysis) Consortium, a global alliance of over 1400 scientists across …

Early stages in the development of bipolar disorder

A Duffy, M Alda, T Hajek, SB Sherry, P Grof - Journal of affective disorders, 2010 - Elsevier
BACKGROUND: Numerous studies have observed that offspring of bipolar parents manifest
a broad spectrum of psychiatric disorders. We tested the hypothesis that in high risk offspring…

Enhanced drought and heat stress tolerance of tobacco plants with ectopically enhanced cytokinin oxidase/dehydrogenase gene expression

…, V Motyka, D Haisel, T Hájek… - Journal of …, 2013 - academic.oup.com
Responses to drought, heat, and combined stress were compared in tobacco (Nicotiana
tabacum L.) plants ectopically expressing the cytokinin oxidase/dehydrogenase CKX1 gene of …

Nutritional constraints in ombrotrophic Sphagnum plants under increasing atmospheric nitrogen deposition in Europe

…, H Rydin, J Limpens, M Hájek, P Grosvernier, T Hájek… - New Phytologist, 2004 - JSTOR
• We studied the effects of increasing levels of atmospheric nitrogen (N) deposition on
nutrient limitation of ombrotrophic Sphagnum plants. • Fifteen mires in 11 European countries …

Nitrogen concentration and δ15N signature of ombrotrophic Sphagnum mosses at different N deposition levels in Europe

…, P Grosvernier, M Hájek, T Hájek… - Global Change …, 2005 - Wiley Online Library
Alteration of the global nitrogen (N) cycle because of human‐enhanced N fixation is a major
concern particularly for those ecosystems that are nutrient poor by nature. Because …