Research Topics
Genomes and GenesSpecies | Joachim F HallmayerSummaryAffiliation: Stanford University Country: USA Publications
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Publications
On the twin risk in autismJoachim Hallmayer
Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA, 94304, USA
Am J Hum Genet 71:941-6. 2002..Our results are in agreement with those of two similar studies by Croen et al. (2002) in California and Hultman et al. (2002) in Sweden...- Association of alleles carried at TNFA -850 and BAT1 -22 with Alzheimer's diseaseAnastazija Gnjec
Centre of Excellence for Alzheimer s Disease Research and Care, Faculty of Computing, Health and Science, School of Exercise, Biomedical and Health Sciences, Edith Cowan University, Joondalup, 6027, WA, Australia
J Neuroinflammation 5:36. 2008..In the current study TNFA and BAT1 promoter polymorphisms were analysed in AD and control cases and BAT1 mRNA levels were investigated in brain tissue from AD and control cases... 
Linkage analysis of candidate regions using a composite neurocognitive phenotype correlated with schizophreniaJ F Hallmayer
School of Psychiatry and Clinical Neurosciences, University of Western Australia, Perth, Australia
Mol Psychiatry 8:511-23. 2003....
Genetic heritability and shared environmental factors among twin pairs with autismJoachim Hallmayer
Departmentof Psychiatry, Stanford UniversitySchool of Medicine, USA
Arch Gen Psychiatry 68:1095-102. 2011..Autism is considered the most heritable of neurodevelopmental disorders, mainly because of the large difference in concordance rates between monozygotic and dizygotic twins...- Psychiatric genetics: what to expectJoachim F Hallmayer
Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, 1201 Welch Road, Room P112, Palo Alto, CA 94304, USA
Curr Psychiatry Rep 6:149-50. 2004 - Perinatal factors and the development of autism: a population studyEmma J Glasson
Schools of Population Health and Psychiatry and Clinical Neurosciences, University of Western Australia, Crawley, Australia
Arch Gen Psychiatry 61:618-27. 2004..Some investigations have shown an association with obstetric complications but findings have been inconsistent owing to differences in sampling and methods... - Genetic evidence for a distinct subtype of schizophrenia characterized by pervasive cognitive deficitJoachim F Hallmayer
Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Palo Alto, CA, USA
Am J Hum Genet 77:468-76. 2005.... - COMT genotype affects prefrontal white matter pathways in children and adolescentsMoriah E Thomason
Department of Psychology, Stanford University, Jordan Hall, Bldg 420, Stanford, CA 94305 2130, USA
Neuroimage 53:926-34. 2010..This investigation paves the way for further studies of how common functional variants in the genome might influence the development of brain white matter... - COMT genotype, gender and cognition in community-dwelling, older adultsRuth O'Hara
Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford University, Stanford, CA 94305 5550, USA
Neurosci Lett 409:205-9. 2006..Further, when gender is taken into consideration, any negative impact of COMT genotype may extend to cognitive domains other than those associated with prefrontal regions... - Serotonin transporter polymorphism predicts waking cortisol in young girlsMichael C Chen
Stanford University, Department of Psychology, United States
Psychoneuroendocrinology 34:681-6. 2009..This finding suggests that genetic susceptibility to HPA-axis dysregulation, especially apparent in levels of waking cortisol, is detectable in individuals as young as 9 years of age... - HPA axis reactivity: a mechanism underlying the associations among 5-HTTLPR, stress, and depressionIan H Gotlib
Department of Psychology, Stanford University, Stanford, California 94305, USA
Biol Psychiatry 63:847-51. 2008.... - Brief report: effect of maternal age on severity of autismAlisa C Baxter
Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA 94305 5719, USA
J Autism Dev Disord 37:976-82. 2007..Results indicate that there is no relationship between IQ or selected CBCL subtests and maternal age, suggesting that maternal age does not influence the severity of autism as measured by these indicators... - Oxytocin receptor gene polymorphism (rs2254298) interacts with familial risk for psychopathology to predict symptoms of depression and anxiety in adolescent girlsRenee J Thompson
Department of Psychology, Stanford University, Stanford, CA, USA
Psychoneuroendocrinology 36:144-7. 2011..These findings highlight the potential importance of this OXTR gene polymorphism in the etiology of depression and anxiety disorders... - Impact of Neuritin 1 (NRN1) polymorphisms on fluid intelligence in schizophreniaDavid Chandler
Centre for Medical Research Western Australian Institute for Medical Research, The University of Western Australia, Perth, Australia
Am J Med Genet B Neuropsychiatr Genet 153:428-37. 2010..The findings suggest a role of NRN1 as a modifier of cognitive functioning in SZ, with implications for future research into the impact of the environment on the development and maintenance of "fluid" intelligence... - Serotonin transporter polymorphism and stress: a view across the lifespanJoachim F Hallmayer
Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, C 305, Stanford, CA 94305-5550, USA
Curr Psychiatry Rep 9:173-5. 2007 - Catechol-O-methyltransferase Val158Met polymorphism moderates anterior cingulate volume in posttraumatic stress disorderR Jay Schulz-Heik
National Center for PTSD, Veterans Affairs Palo Alto Healthcare System, 3801 Miranda Avenue, Palo Alto, CA 94304, USA
Biol Psychiatry 70:1091-6. 2011..The Val158Met polymorphism in the catechol-O-methyltransferase gene, which substantially influences dopamine inactivation in the frontal lobe in general and in ACC in particular, may moderate ACC integrity in PTSD... - Narcolepsy is strongly associated with the T-cell receptor alpha locusJoachim Hallmayer
Center for Sleep Sciences, Stanford University School of Medicine, Palo Alto, California, USA
Nat Genet 41:708-11. 2009.... - A pilot study of antidepressant-induced mania in pediatric bipolar disorder: Characteristics, risk factors, and the serotonin transporter geneFiona M Baumer
Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, California 94305-5540, USA
Biol Psychiatry 60:1005-12. 2006..In this preliminary study, we did not find that the 5-HTT polymorphism significantly influenced vulnerability to AIM... - Is the discrepancy criterion for defining developmental disorders valid?Murray J Dyck
School of Psychology, Curtin University of Technology, Perth, Australia
J Child Psychol Psychiatry 45:979-95. 2004..We evaluated the validity of this discrepancy criterion by assessing parameters that determine variability across abilities and by assessing relationships between achievement discrepancies and behavioral disturbances... - Interacting and paradoxical forces in neuroscience and societyJennifer Singh
Stanford Center for Biomedical Ethics, Center for Integration of Research on Genetics and Ethics, 701 Welch Road, Building A, Suite 1105, Palo Alto, California 94304 5748, USA
Nat Rev Neurosci 8:153-60. 2007.... - Trends in US autism research fundingJennifer Singh
Stanford Center for Biomedical Ethics, Center for Integration of Research on Genetics and Ethics, Stanford University, Palo Alto, CA, USA
J Autism Dev Disord 39:788-95. 2009..In conclusion, this study demonstrates the shifting landscape of autism research from basic science to clinical and translational research... - Immunology: hepatitis A virus link to atopic diseaseJennifer J McIntire
Division of Immunology and Allergy, Department of Pediatrics, Stanford University, Stanford, California 94305-5208, USA
Nature 425:576. 2003 - Increasing seasonality of suicide in Australia 1970-1999Daniel Rock
Centre for Clinical Research in Neuropsychiatry, Locked Bag No 1, Claremont, Western Australia, 6910, Australia
Psychiatry Res 120:43-51. 2003..We suggest that this may be related to differences in patterns of anti-depressant use and also the effect of migration on the number of seasonally vulnerable individuals in Australia... - Abnormal cortical activation during response inhibition in 22q11.2 deletion syndromeDoron Gothelf
The Behavioral Neurogenetics Center, Child Psychiatry Department, Schneider Children s Medical Center of Israel, Petah Tiqwa, Israel
Hum Brain Mapp 28:533-42. 2007..2DS may recruit additional cingulate activation for tasks requiring attention and inhibition. 22q11.2DS is a unique model for learning about the deleterious effects of decreased dosage of the COMT gene on brain function...
Research Grants
- INFRASTRUCTURE TO FACILITATE DISCOVERY OF AUTISM GENESJoachim Hallmayer; Fiscal Year: 2006..abstract_text> ..
- A California Population-Based Twin Study of AutismJoachim Hallmayer; Fiscal Year: 2007..3) is there a continuum between the quantitative neurocognitive traits and clinical disorder? (4) what proportion of the variance in the neurocognitive traits is accounted for by genetic and non-genetic factors? ..