Nathan A Gillespie

Summary

Affiliation: Virginia Commonwealth University
Country: USA

Publications

  1. pmc The Brisbane Longitudinal Twin Study: Pathways to Cannabis Use, Abuse, and Dependence project-current status, preliminary results, and future directions
    Nathan A Gillespie
    Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA
    Twin Res Hum Genet 16:21-33. 2013
  2. pmc Modeling the direction of causation between cross-sectional measures of disrupted sleep, anxiety and depression in a sample of male and female Australian twins
    Nathan A Gillespie
    Queensland Institute of Medical Research, Brisbane, QLD, Australia
    J Sleep Res 21:675-83. 2012
  3. pmc Two-part random effects growth modeling to identify risks associated with alcohol and cannabis initiation, initial average use and changes in drug consumption in a sample of adult, male twins
    Nathan A Gillespie
    Virginia Institute for Psychiatric and Behavior Genetics, Department of Psychiatry, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Drug Alcohol Depend 123:220-8. 2012
  4. pmc Are the symptoms of cannabis use disorder best accounted for by dimensional, categorical, or factor mixture models? A comparison of male and female young adults
    Nathan A Gillespie
    Virginia Institute for Psychiatric and Behavior Genetics, Department of Psychiatry, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Psychol Addict Behav 26:68-77. 2012
  5. pmc Pathways to cannabis abuse: a multi-stage model from cannabis availability, cannabis initiation and progression to abuse
    Nathan A Gillespie
    Department of Psychiatry, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Addiction 104:430-8. 2009
  6. ncbi request reprint Factor and item-response analysis DSM-IV criteria for abuse of and dependence on cannabis, cocaine, hallucinogens, sedatives, stimulants and opioids
    Nathan A Gillespie
    Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, VA 23219 1534, USA
    Addiction 102:920-30. 2007
  7. pmc Longitudinal modeling of genetic and environmental influences on self-reported availability of psychoactive substances: alcohol, cigarettes, marijuana, cocaine and stimulants
    Nathan A Gillespie
    Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Psychol Med 37:947-59. 2007
  8. pmc A finite mixture model for genotype and environment interactions: detecting latent population heterogeneity
    Nathan A Gillespie
    Virginia Institute of Psychiatric and Behavioral Genetics, Department of Psychiatry, Virginia Commonwealth University, Richmond, 23219, USA
    Twin Res Hum Genet 9:412-23. 2006
  9. pmc Psychometric modeling of cannabis initiation and use and the symptoms of cannabis abuse, dependence and withdrawal in a sample of male and female twins
    Nathan A Gillespie
    Department of Psychiatry, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Drug Alcohol Depend 118:166-72. 2011
  10. doi request reprint A genome-wide scan for Eysenckian personality dimensions in adolescent twin sibships: psychoticism, extraversion, neuroticism, and lie
    Nathan A Gillespie
    Queensland Institute of Medical Research, Brisbane, Australia
    J Pers 76:1415-46. 2008

Detail Information

Publications26

  1. pmc The Brisbane Longitudinal Twin Study: Pathways to Cannabis Use, Abuse, and Dependence project-current status, preliminary results, and future directions
    Nathan A Gillespie
    Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA, USA
    Twin Res Hum Genet 16:21-33. 2013
    ....
  2. pmc Modeling the direction of causation between cross-sectional measures of disrupted sleep, anxiety and depression in a sample of male and female Australian twins
    Nathan A Gillespie
    Queensland Institute of Medical Research, Brisbane, QLD, Australia
    J Sleep Res 21:675-83. 2012
    ..Results for males were equivocal. The nosological implications of our findings are discussed...
  3. pmc Two-part random effects growth modeling to identify risks associated with alcohol and cannabis initiation, initial average use and changes in drug consumption in a sample of adult, male twins
    Nathan A Gillespie
    Virginia Institute for Psychiatric and Behavior Genetics, Department of Psychiatry, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Drug Alcohol Depend 123:220-8. 2012
    ..Our aim was to profile alcohol and cannabis initiation and to characterize the effects of developmental and environmental risk factors on changes in average drug use over time...
  4. pmc Are the symptoms of cannabis use disorder best accounted for by dimensional, categorical, or factor mixture models? A comparison of male and female young adults
    Nathan A Gillespie
    Virginia Institute for Psychiatric and Behavior Genetics, Department of Psychiatry, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Psychol Addict Behav 26:68-77. 2012
    ..An almost 2-fold sex difference in item endorsement was best explained by a single mean difference on the CUD factor, indicating that young men have a greater latent liability toward expressing CUD...
  5. pmc Pathways to cannabis abuse: a multi-stage model from cannabis availability, cannabis initiation and progression to abuse
    Nathan A Gillespie
    Department of Psychiatry, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Addiction 104:430-8. 2009
    ..Our aim is to determine whether the genetic and environmental risk factors for cannabis availability also generate variation in cannabis initiation and/or progression to DSM-IV symptoms of abuse...
  6. ncbi request reprint Factor and item-response analysis DSM-IV criteria for abuse of and dependence on cannabis, cocaine, hallucinogens, sedatives, stimulants and opioids
    Nathan A Gillespie
    Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, VA 23219 1534, USA
    Addiction 102:920-30. 2007
    ....
  7. pmc Longitudinal modeling of genetic and environmental influences on self-reported availability of psychoactive substances: alcohol, cigarettes, marijuana, cocaine and stimulants
    Nathan A Gillespie
    Department of Psychiatry, Virginia Institute of Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Psychol Med 37:947-59. 2007
    ..Although an obvious environmental factor influencing drug use, the sources of individual differences in drug availability (DA) are unknown...
  8. pmc A finite mixture model for genotype and environment interactions: detecting latent population heterogeneity
    Nathan A Gillespie
    Virginia Institute of Psychiatric and Behavioral Genetics, Department of Psychiatry, Virginia Commonwealth University, Richmond, 23219, USA
    Twin Res Hum Genet 9:412-23. 2006
    ..These results suggest that factor mixture modeling is sufficiently robust for detecting heterogeneous populations even when group mean differences are modest...
  9. pmc Psychometric modeling of cannabis initiation and use and the symptoms of cannabis abuse, dependence and withdrawal in a sample of male and female twins
    Nathan A Gillespie
    Department of Psychiatry, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Drug Alcohol Depend 118:166-72. 2011
    ..Despite an emerging consensus that the DSM-IV diagnostic criteria for cannabis abuse and dependence are best represented by a single underlying liability, it remains unknown if latent class or hybrid models can better explain the data...
  10. doi request reprint A genome-wide scan for Eysenckian personality dimensions in adolescent twin sibships: psychoticism, extraversion, neuroticism, and lie
    Nathan A Gillespie
    Queensland Institute of Medical Research, Brisbane, Australia
    J Pers 76:1415-46. 2008
    ..The highest linkage peaks were found on chromosomes 16 and 19 for Neuroticism, on chromosomes 1, 7, 10, 13 m, and 18 for Psychoticism, and on chromosomes 2 and 3 for Extraversion...
  11. pmc Modeling the genetic and environmental association between peer group deviance and cannabis use in male twins
    Nathan A Gillespie
    Department of Psychiatry, Virginia Commonwealth University, Richmond, VA 23219 1534, USA
    Addiction 104:420-9. 2009
    ..Peer group deviance (PGD) is linked strongly to liability to drug use, including cannabis. Our aim was to model the genetic and environmental association, including direction of causation, between PGD and cannabis use (CU)...
  12. ncbi request reprint Do the genetic or environmental determinants of anxiety and depression change with age? A longitudinal study of Australian twins
    Nathan A Gillespie
    Queensland Institute of Medical Research, Brisbane, Australia
    Twin Res 7:39-53. 2004
    ..These findings have significance for large scale depression prevention projects...
  13. ncbi request reprint Genetic simplex modeling of Eysenck's dimensions of personality in a sample of young Australian twins
    Nathan A Gillespie
    Queensland Institute of Medical Research, Brisbane, Australia
    Twin Res 7:637-48. 2004
    ....
  14. pmc Do 5HTTLPR and stress interact in risk for depression and suicidality? Item response analyses of a large sample
    William L Coventry
    Genetic Epidemiology Unit, Queensland Institute of Medical Research, Brisbane, Queensland, Australia
    Am J Med Genet B Neuropsychiatr Genet 153:757-65. 2010
    ..01) and are not significantly associated with any of the genotype main effects (5HTTLPR, 5HTTLPR + rs25531) or interactions (stress x genotype). We find no evidence to support the hypothesis of any 5HTTLPR genotype by stress interaction...
  15. pmc Suicidal ideation, depression, and conduct disorder in a sample of adolescent and young adult twins
    Julie Linker
    Department of Psychiatry, Virginia Commonwealth University, Richmond, VA 23298 0003, USA
    Suicide Life Threat Behav 42:426-36. 2012
    ..These findings underscore that prevention and intervention strategies should reflect the different underlying mechanisms involving depression and conduct disorder to assist in identifying adolescents at suicidal risk...
  16. doi request reprint Comparing Factor, Class, and Mixture Models of Cannabis Initiation and DSM Cannabis Use Disorder Criteria, Including Craving, in the Brisbane Longitudinal Twin Study
    Thomas S Kubarych
    Department of Psychiatry, Virginia Commonwealth University, Richmond, VA, USA
    Twin Res Hum Genet 17:89-98. 2014
    ....
  17. ncbi request reprint Direction of causation modeling between cross-sectional measures of parenting and psychological distress in female twins
    Nathan A Gillespie
    Genetic Epidemiology Unit, Queensland Institute of Medical Research, Royal Brisbane Hospital, Brisbane, Queensland 4029, Australia
    Behav Genet 33:383-96. 2003
    ..Power analyses and limitations of the findings are discussed...
  18. ncbi request reprint Is there heterogeneity among syndromes of substance use disorder for illicit drugs?
    Cheryl Beseler
    Center for Behavioral Genomics, Department of Psychiatry, University of California, 9500 Gilman Drive, Mail Code 0603, La Jolla, San Diego, CA 92093, and Veterans Medical Research Foundation, La Jolla 92161, USA
    Addict Behav 31:929-47. 2006
    ....
  19. ncbi request reprint The relationship between stressful life events, the serotonin transporter (5-HTTLPR) genotype and major depression
    Nathan A Gillespie
    Queensland Institute of Medical Research, Royal Brisbane Hospital, Herston, Australia
    Psychol Med 35:101-11. 2005
    ....
  20. ncbi request reprint A genome scan for eye color in 502 twin families: most variation is due to a QTL on chromosome 15q
    Gu Zhu
    Queensland Institute of Medical Research, Brisbane, Australia
    Twin Res 7:197-210. 2004
    ..We conclude that most variation in eye color in Europeans is due to polymorphism in OCA2 but that there may be modifiers at several other loci...
  21. pmc Assessment of a modified DSM-5 diagnosis of alcohol use disorder in a genetically informative population
    Alexis C Edwards
    Virginia Institute for Psychiatric and Behavioral Genetics, Department of Psychiatry, Virginia Commonwealth University, Richmond, Virginia 23298 0126, USA
    Alcohol Clin Exp Res 37:443-51. 2013
    ..Few published studies empirically assess the potential consequences of the proposed changes...
  22. pmc Meta-analyses of genome-wide linkage scans of anxiety-related phenotypes
    Bradley T Webb
    Department of Psychiatry, Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University, Richmond, VA 23298, USA
    Eur J Hum Genet 20:1078-84. 2012
    ..This may prove useful for prioritizing emerging genome-wide association data for anxiety disorders...
  23. ncbi request reprint A transdiagnostic approach to understanding eating disorders
    Tracey D Wade
    School of Psychology, Flinders University, Adelaide, South Australia, Australia
    J Nerv Ment Dis 194:510-7. 2006
    ..The number of LEDB was associated with the degree of impaired functioning. This impairment was associated with conflict between parents and criticism from parents when growing up...
  24. ncbi request reprint Familial clustering of major depression and anxiety disorders in Australian and Dutch twins and siblings
    Christel M Middeldorp
    Department of Biological Psychology, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
    Twin Res Hum Genet 8:609-15. 2005
    ..Furthermore, different genetic risk factors appear to contribute to the vulnerability for panic disorder and/or agoraphobia in men and women. No other sex differences were found...
  25. ncbi request reprint Psychological masculinity-femininity via the gender diagnosticity approach: heritability and consistency across ages and populations
    John C Loehlin
    University of Texas at Austin, Psychology Department, 78712, USA
    J Pers 73:1295-319. 2005
    ..Cross-age continuity appeared mainly to reflect the influence of the genes...
  26. ncbi request reprint Genetic basis of male pattern baldness
    Dale R Nyholt
    J Invest Dermatol 121:1561-4. 2003