Thomas Espeseth

Summary

Affiliation: Institute of Medicine
Country: Norway

Publications

  1. pmc A genetic deconstruction of neurocognitive traits in schizophrenia and bipolar disorder
    Carla P D Fernandes
    K G Jebsen Centre for Psychosis Research and the Norwegian Centre for Mental Disorders Research NORMENT, Department of Clinical Science, University of Bergen, Bergen, Norway Dr Einar Martens Research Group for Biological Psychiatry, Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
    PLoS ONE 8:e81052. 2013
  2. pmc The Imaging and Cognition Genetics Conference 2011, ICG 2011: A Meeting of Minds
    Stephanie Le Hellard
    Centre for Advanced Study Oslo, Norway
    Front Neurosci 6:74. 2012
  3. pmc DCLK1 variants are associated across schizophrenia and attention deficit/hyperactivity disorder
    Bjarte Håvik
    Dr E Martens Research Group for Biological Psychiatry, Department of Clinical Medicine, University of Bergen, Bergen, Norway
    PLoS ONE 7:e35424. 2012
  4. pmc Variants in doublecortin- and calmodulin kinase like 1, a gene up-regulated by BDNF, are associated with memory and general cognitive abilities
    Stephanie Le Hellard
    Bergen Mental Health Research Center, Department of Clinical Medicine, University of Bergen, Bergen, Norway
    PLoS ONE 4:e7534. 2009
  5. pmc Gene-based analysis of regionally enriched cortical genes in GWAS data sets of cognitive traits and psychiatric disorders
    Kari M Ersland
    Dr E Martens Research Group for Biological Psychiatry, Department of Clinical Medicine, University of Bergen, Bergen, Norway
    PLoS ONE 7:e31687. 2012
  6. doi request reprint Unawareness of olfactory dysfunction and its association with cognitive functioning in middle aged and old adults
    Eike Wehling
    Department of Biological and Medical Psychology, University of Bergen, Norway
    Arch Clin Neuropsychol 26:260-9. 2011
  7. doi request reprint Neuropsychological performance in older insomniacs
    Børge Sivertsen
    Division of Mental Health, Norwegian Institute of Public Health, Bergen, Norway
    Neuropsychol Dev Cogn B Aging Neuropsychol Cogn 20:34-48. 2013
  8. doi request reprint Episodic memory of APOE ε4 carriers is correlated with fractional anisotropy, but not cortical thickness, in the medial temporal lobe
    Erling Tjelta Westlye
    Neuroinformatics and Image Analysis Laboratory, Department of Biomedicine, University of Bergen, NO 5020 Bergen, Norway
    Neuroimage 63:507-16. 2012
  9. doi request reprint Familiarity, cued and free odor identification and their association with cognitive functioning in middle aged and older adults
    Eike Ines Wehling
    Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway
    Neuropsychol Dev Cogn B Aging Neuropsychol Cogn 17:205-19. 2010
  10. pmc Cortical gray matter atrophy in healthy aging cannot be explained by undetected incipient cognitive disorders: a comment on Burgmans et al. (2009)
    Anders M Fjell
    Department of Psychology, University of Oslo, Norway, P B 1094 Blindern, 0317 Oslo, Norway
    Neuropsychology 24:258-63; discussion 264-266. 2010

Collaborators

Detail Information

Publications13

  1. pmc A genetic deconstruction of neurocognitive traits in schizophrenia and bipolar disorder
    Carla P D Fernandes
    K G Jebsen Centre for Psychosis Research and the Norwegian Centre for Mental Disorders Research NORMENT, Department of Clinical Science, University of Bergen, Bergen, Norway Dr Einar Martens Research Group for Biological Psychiatry, Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
    PLoS ONE 8:e81052. 2013
    ..Cognitive traits have been proposed as useful for understanding the biological and genetic mechanisms implicated in cognitive function in healthy individuals and in the dysfunction observed in psychiatric disorders...
  2. pmc The Imaging and Cognition Genetics Conference 2011, ICG 2011: A Meeting of Minds
    Stephanie Le Hellard
    Centre for Advanced Study Oslo, Norway
    Front Neurosci 6:74. 2012
    ..The final theme is the importance of establishing functional correlates of newly identified genetic variants...
  3. pmc DCLK1 variants are associated across schizophrenia and attention deficit/hyperactivity disorder
    Bjarte Håvik
    Dr E Martens Research Group for Biological Psychiatry, Department of Clinical Medicine, University of Bergen, Bergen, Norway
    PLoS ONE 7:e35424. 2012
    ..Given that DCLK1 variants were previously found to be associated with cognitive traits, these results are consistent with the role of DCLK1 in neurodevelopment and synaptic plasticity...
  4. pmc Variants in doublecortin- and calmodulin kinase like 1, a gene up-regulated by BDNF, are associated with memory and general cognitive abilities
    Stephanie Le Hellard
    Bergen Mental Health Research Center, Department of Clinical Medicine, University of Bergen, Bergen, Norway
    PLoS ONE 4:e7534. 2009
    ..Human memory and general cognitive abilities are complex functions of high heritability and wide variability in the population. The brain-derived neurotrophic factor (BDNF) plays an important role in mammalian memory formation...
  5. pmc Gene-based analysis of regionally enriched cortical genes in GWAS data sets of cognitive traits and psychiatric disorders
    Kari M Ersland
    Dr E Martens Research Group for Biological Psychiatry, Department of Clinical Medicine, University of Bergen, Bergen, Norway
    PLoS ONE 7:e31687. 2012
    ..In addition, we explored GWAS data sets for the serious psychiatric disorders schizophrenia (SCZ) (n = 3 samples) and bipolar affective disorder (BP) (n = 3 samples), to which cognitive impairment is linked...
  6. doi request reprint Unawareness of olfactory dysfunction and its association with cognitive functioning in middle aged and old adults
    Eike Wehling
    Department of Biological and Medical Psychology, University of Bergen, Norway
    Arch Clin Neuropsychol 26:260-9. 2011
    ....
  7. doi request reprint Neuropsychological performance in older insomniacs
    Børge Sivertsen
    Division of Mental Health, Norwegian Institute of Public Health, Bergen, Norway
    Neuropsychol Dev Cogn B Aging Neuropsychol Cogn 20:34-48. 2013
    ..We conclude that DSM-IV defined insomnia was not associated with any performance based measure; only with self-reported symptoms...
  8. doi request reprint Episodic memory of APOE ε4 carriers is correlated with fractional anisotropy, but not cortical thickness, in the medial temporal lobe
    Erling Tjelta Westlye
    Neuroinformatics and Image Analysis Laboratory, Department of Biomedicine, University of Bergen, NO 5020 Bergen, Norway
    Neuroimage 63:507-16. 2012
    ..Thus, increased susceptibility of the WM structures underpinning the entorhinal-hippocampal network, offers a plausible explanation for the earlier onset of cognitive decline previously reported in APOE ε4 carriers...
  9. doi request reprint Familiarity, cued and free odor identification and their association with cognitive functioning in middle aged and older adults
    Eike Ines Wehling
    Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway
    Neuropsychol Dev Cogn B Aging Neuropsychol Cogn 17:205-19. 2010
    ..The results suggest that the different olfactory tasks involve different levels of cognitive processing...
  10. pmc Cortical gray matter atrophy in healthy aging cannot be explained by undetected incipient cognitive disorders: a comment on Burgmans et al. (2009)
    Anders M Fjell
    Department of Psychology, University of Oslo, Norway, P B 1094 Blindern, 0317 Oslo, Norway
    Neuropsychology 24:258-63; discussion 264-266. 2010
    ..Longitudinally, 1-year atrophy was identified in all tested regions. It is likely that cortical brain atrophy is manifested in cognitively normal elderly without subclinical cognitive disorders...
  11. ncbi request reprint Lack of association of the rs1344706 ZNF804A variant with cognitive functions and DTI indices of white matter microstructure in two independent healthy populations
    Carla Patricia Duarte Fernandes
    K G Jebsen Centre for Psychosis Research, Norwegian Centre for Mental Disorders Research NORMENT, Department of Clinical Science, University of Bergen, Bergen, Norway Dr Einar Martens Research Group for Biological Psychiatry, Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway K G Jebsen Centre for Psychosis Research, Norwegian Centre for Mental Disorders Research NORMENT, Department of Clinical Science, University of Bergen, Bergen, Norway
    Psychiatry Res 222:60-6. 2014
    ..No significant associations were found between rs1344706 and the cognitive traits or white matter microstructure. We conclude that the rs1344706 SNP has no significant effect on these phenotypes in our two reasonably powered samples. ..
  12. doi request reprint General fluid-type intelligence is related to indices of white matter structure in middle-aged and old adults
    Judit Haász
    Department of Biological and Medical Psychology, University of Bergen, 5009 Bergen, Norway Neuroinformatics and Image Analysis Laboratory, Department of Biomedicine, University of Bergen, 5009 Bergen, Norway Department of Clinical Medicine, University of Bergen, 5020 Bergen, Norway Electronic address
    Neuroimage 83:372-83. 2013
    ..Thus, although all subcomponents loaded high on gF factor, the speed-related components were most strongly associated with DT-MRI-derived measures. These results suggest that DT-MRI can be used to parse gF...
  13. pmc Hippocampal volumes are important predictors for memory function in elderly women
    Martin A Ystad
    Department of Biomedicine, Neuroinformatics and Image Analysis Laboratory, University of Bergen, Jonas Lies vei 91, 5009 Bergen, Norway
    BMC Med Imaging 9:17. 2009
    ..In the present study we utilize 3D MR imaging, genetic analysis and assessment of verbal memory function to investigate relationships between these factors in a sample of 170 healthy volunteers (age range 46-77 years)...