Natalie Grizenko

Summary

Affiliation: McGill University
Country: Canada

Publications

  1. doi Is the inattentive subtype of ADHD different from the combined/hyperactive subtype?
    Natalie Grizenko
    McGill University
    J Atten Disord 13:649-57. 2010
  2. pmc Relation of maternal stress during pregnancy to symptom severity and response to treatment in children with ADHD
    Natalie Grizenko
    Department of Psychiatry, McGill University, Montreal, Canada
    J Psychiatry Neurosci 33:10-6. 2008
  3. pmc Efficacy of methylphenidate in children with attention-deficit hyperactivity disorder and learning disabilities: a randomized crossover trial
    Natalie Grizenko
    Department of Psychiatry, McGill University and Division of Child and Adolescent Psychiatry, Douglas Hospital, Montreal, Que
    J Psychiatry Neurosci 31:46-51. 2006
  4. ncbi Relationship between response to methylphenidate treatment in children with ADHD and psychopathology in their families
    Natalie Grizenko
    McGill University and Douglas Hospital, Montreal, Quebec, Canada
    J Am Acad Child Adolesc Psychiatry 45:47-53. 2006
  5. pmc COMT Val108/158Met polymorphism and the modulation of task-oriented behavior in children with ADHD
    Sarojini Sengupta
    Department of Human Genetics, McGill University, Montreal, QC, Canada
    Neuropsychopharmacology 33:3069-77. 2008
  6. doi Factor structure of the restricted academic situation scale: implications for ADHD
    Sherif Karama
    Department of Psychiatry, McGill University, Douglas Hospital Research Centre, Montreal, Canada
    J Atten Disord 12:442-8. 2009
  7. ncbi Association between obesity-related gene FTO and ADHD
    Zia Choudhry
    Clinical Research Division, Douglas Mental Health University Institute, McGill University, Quebec, Canada Department of Human Genetics, McGill University, Quebec, Canada
    Obesity (Silver Spring) 21:E738-44. 2013
  8. pmc Body weight and ADHD: examining the role of self-regulation
    Zia Choudhry
    Department of Human Genetics, McGill University, Montreal, Canada
    PLoS ONE 8:e55351. 2013
  9. ncbi Dopamine transporter 3'-UTR VNTR genotype and ADHD: a pharmaco-behavioural genetic study with methylphenidate
    Ridha Joober
    Department of Psychiatry, McGill University and Douglas Hospital Research Centre, Montreal, QC, Canada
    Neuropsychopharmacology 32:1370-6. 2007
  10. doi Catechol-o-methyltransferase gene and executive function in children with ADHD
    Zia Choudhry
    1McGill University, Montreal, Quebec, Canada
    J Atten Disord 18:202-11. 2014

Collaborators

Detail Information

Publications31

  1. doi Is the inattentive subtype of ADHD different from the combined/hyperactive subtype?
    Natalie Grizenko
    McGill University
    J Atten Disord 13:649-57. 2010
    ..To compare the ADHD combined/hyperactive subtype (ADHD/CH) to the ADHD inattentive subtype (ADHD/I) on the level of comorbidity, treatment response, and possible etiological factors...
  2. pmc Relation of maternal stress during pregnancy to symptom severity and response to treatment in children with ADHD
    Natalie Grizenko
    Department of Psychiatry, McGill University, Montreal, Canada
    J Psychiatry Neurosci 33:10-6. 2008
    ..A second objective was to examine whether there is an association between maternal stress and children's response to methylphenidate (MPH)...
  3. pmc Efficacy of methylphenidate in children with attention-deficit hyperactivity disorder and learning disabilities: a randomized crossover trial
    Natalie Grizenko
    Department of Psychiatry, McGill University and Division of Child and Adolescent Psychiatry, Douglas Hospital, Montreal, Que
    J Psychiatry Neurosci 31:46-51. 2006
    ..To determine whether children with attention-deficit hyperactivity disorder (ADHD) and learning disabilities respond differently to methylphenidate (MPH) compared with children with ADHD only...
  4. ncbi Relationship between response to methylphenidate treatment in children with ADHD and psychopathology in their families
    Natalie Grizenko
    McGill University and Douglas Hospital, Montreal, Quebec, Canada
    J Am Acad Child Adolesc Psychiatry 45:47-53. 2006
    ..To compare the pattern of familial aggregation of psychopathology in children who are good responders (GR) to methylphenidate (MPH) versus those who are poor responders (PR)...
  5. pmc COMT Val108/158Met polymorphism and the modulation of task-oriented behavior in children with ADHD
    Sarojini Sengupta
    Department of Human Genetics, McGill University, Montreal, QC, Canada
    Neuropsychopharmacology 33:3069-77. 2008
    ..However, no genotype by treatment interaction was observed. These results suggest that the COMT Val(108/158)Met polymorphism modulates task-oriented behavior, but it does not modulate the response of this behavior with MPH treatment...
  6. doi Factor structure of the restricted academic situation scale: implications for ADHD
    Sherif Karama
    Department of Psychiatry, McGill University, Douglas Hospital Research Centre, Montreal, Canada
    J Atten Disord 12:442-8. 2009
    ..25 mg/kg of methylphenidate. Placebo and methylphenidate were each administered according to a double-blind placebo-controlled crossover design...
  7. ncbi Association between obesity-related gene FTO and ADHD
    Zia Choudhry
    Clinical Research Division, Douglas Mental Health University Institute, McGill University, Quebec, Canada Department of Human Genetics, McGill University, Quebec, Canada
    Obesity (Silver Spring) 21:E738-44. 2013
    ..The objective of this study is to explore the association between ADHD and FTO, a gene strongly associated with obesity in genome-wide studies...
  8. pmc Body weight and ADHD: examining the role of self-regulation
    Zia Choudhry
    Department of Human Genetics, McGill University, Montreal, Canada
    PLoS ONE 8:e55351. 2013
    ..The objective of this study is to investigate the relation between body weight/BMI and cognitive, emotional and motor characteristics in children with ADHD...
  9. ncbi Dopamine transporter 3'-UTR VNTR genotype and ADHD: a pharmaco-behavioural genetic study with methylphenidate
    Ridha Joober
    Department of Psychiatry, McGill University and Douglas Hospital Research Centre, Montreal, QC, Canada
    Neuropsychopharmacology 32:1370-6. 2007
    ..They also suggest the presence of genetic heterogeneity that could be indexed by the quality of behavioral response to MPH...
  10. doi Catechol-o-methyltransferase gene and executive function in children with ADHD
    Zia Choudhry
    1McGill University, Montreal, Quebec, Canada
    J Atten Disord 18:202-11. 2014
    ..To examine the association between functional haplotypes in the catechol-o-methyltransferase (COMT) gene and ADHD diagnosis, and executive function (EF) in children with ADHD...
  11. pmc Comprehensive phenotype/genotype analyses of the norepinephrine transporter gene (SLC6A2) in ADHD: relation to maternal smoking during pregnancy
    Geeta A Thakur
    Integrated Program in Neuroscience, McGill University, Montreal, Quebec, Canada
    PLoS ONE 7:e49616. 2012
    ..We tested the association between 30 tag SNPs within the SLC6A2 gene and ADHD, with stratification based on maternal smoking during pregnancy, an environmental factor strongly associated with ADHD...
  12. pmc Dopamine transporter 3'UTR VNTR genotype is a marker of performance on executive function tasks in children with ADHD
    Sherif Karama
    Department of Psychiatry, McGill University, Montreal, Canada
    BMC Psychiatry 8:45. 2008
    ..Executive function deficits are considered among the most important pathogenic pathways leading to ADHD and may index part of the heterogeneity in this disorder...
  13. pmc The 5-HTTLPR polymorphism of the serotonin transporter gene and short term behavioral response to methylphenidate in children with ADHD
    Geeta A Thakur
    Integrated Program in Neuroscience, McGill University, 3801 University Street, Montreal, H3A 2B4, Canada
    BMC Psychiatry 10:50. 2010
    ..In this study, we have investigated the relationship between the 5-HTTLPR polymorphism in the serotonin transporter gene (SLC6A4) and the response of ADHD relevant behaviors with methylphenidate treatment...
  14. ncbi Clinical response to methylphenidate in children diagnosed with attention-deficit hyperactivity disorder and comorbid psychiatric disorders
    Mariam Ter-Stepanian
    Department of Educational and Counselling Psychology, McGill University, Montreal, Quebec
    Can J Psychiatry 55:305-12. 2010
    ..To determine to what extent the clinical response to methylphenidate (MPH) is affected by psychiatric comorbidities in children diagnosed with attention-deficit hyperactivity disorder (ADHD)...
  15. pmc Relation between therapeutic response and side effects induced by methylphenidate as observed by parents and teachers of children with ADHD
    James Lee
    Department of Psychiatry, McGill University, Montreal, Canada
    BMC Psychiatry 11:70. 2011
    ..The desired (therapeutic) and undesired (side) effects of methylphenidate might have underlying correlations. The aim of this study was to explore the strength and the possible sources of these correlations...
  16. pmc Performance on the continuous performance test in children with ADHD is associated with sleep efficiency
    Reut Gruber
    Douglas Mental Health University Institute and McGill University, Montreal, Canada
    Sleep 30:1003-9. 2007
    ..To examine whether the level of sleep efficiency of children diagnosed with ADHD moderates their performance on the Continuous Performance Test (CPT) while receiving a placebo and while receiving methylphenidate (MPH)...
  17. pmc Perinatal complications in children with attention-deficit hyperactivity disorder and their unaffected siblings
    Leila Ben Amor
    Department of Psychiatry, Laval University, Quebec
    J Psychiatry Neurosci 30:120-6. 2005
    ..We aimed to identify those elements of the PLDNC that are more likely to be of a nonshared nature...
  18. doi LPHN3 and attention-deficit/hyperactivity disorder: interaction with maternal stress during pregnancy
    Zia Choudhry
    Douglas Mental Health University Institute, McGill University, Verdun, QC, Canada
    J Child Psychol Psychiatry 53:892-902. 2012
    ..Recently, a significant association was reported between ADHD and LPHN3 (which codes for latrophilin 3), and replicated in independent samples...
  19. doi Maternal smoking during pregnancy and ADHD: a comprehensive clinical and neurocognitive characterization
    Geeta A Thakur
    Integrated Program in Neuroscience, McGill University, Montreal, Canada
    Nicotine Tob Res 15:149-57. 2013
    ..The objective of this study is to test the hypothesis that children with ADHD exposed to MSDP show a distinctive clinical and neurocognitive profile when compared with unexposed children...
  20. doi Family-based association study of ADHD and genes increasing the risk for smoking behaviours
    Geeta A Thakur
    Douglas Mental Health University Institute, 6875 LaSalle Blvd, Montreal, Quebec, Canada
    Arch Dis Child 97:1027-33. 2012
    ....
  21. pmc Dopamine transporter genotype and stimulant side effect factors in youth diagnosed with attention-deficit/hyperactivity disorder
    Reut Gruber
    Douglas Mental Health University Institute, Department of Psychiatry, McGill University, Montreal, Canada
    J Child Adolesc Psychopharmacol 19:233-9. 2009
    ..Preliminary evidence suggests that pharmacogenetic analysis using DAT1 variants shows promise for identifying individuals at increased or decreased risk for poor tolerability...
  22. ncbi COMT Val108/158Met gene variant, birth weight, and conduct disorder in children with ADHD
    Sarojini M Sengupta
    Department of Human Genetics, McGill University, and Douglas Hospital Research Centre, Montreal, Quebec, Canada
    J Am Acad Child Adolesc Psychiatry 45:1363-9. 2006
    ..We have attempted to replicate these findings in a group of ADHD children using a similar research design...
  23. ncbi Actigraphic monitoring during sleep of children with ADHD on methylphenidate and placebo
    George Schwartz
    Douglas Hospital Research Centre and the Department of Psychiatry, McGill University, Montreal, Canada
    J Am Acad Child Adolesc Psychiatry 43:1276-82. 2004
    ..The aim of this study was to investigate the relationship of activity levels during sleep and therapeutic response to methylphenidate (MPH)...
  24. ncbi Physical activity experiences of boys with and without ADHD
    William J Harvey
    Department of Kinesiology and Physical Education, McGill University, Montreal, Quebec, Canada
    Adapt Phys Activ Q 26:131-50. 2009
    ..Task-specific interventions and a wider range of mixed methods research are recommended for future research studies in ADHD...
  25. ncbi Fundamental movement skills and children with attention-deficit hyperactivity disorder: peer comparisons and stimulant effects
    William J Harvey
    Department of Kinesiology and Physical Education, McGill University, 475 Pine Avenue West, Montreal, QC, Canada
    J Abnorm Child Psychol 35:871-82. 2007
    ..It is concluded that children with ADHD may be at risk for developmental delays in movement skill performance. Potential factors underlying the movement skill difficulties are discussed, with suggestions for future research...
  26. ncbi Effects of methylphenidate on acute math performance in children with attention-deficit hyperactivity disorder
    Natalie Grizenko
    Associate Professor, Department of Psychiatry, McGill University, Montreal, Quebec Medical Chief, Child Psychiatry and Adolescent Program, Douglas Mental Health University Institute, Montreal, Quebec Medical Chief, Severe Disruptive Behaviour Disorders Program, Douglas Mental Health University Institute, Montreal, Quebec
    Can J Psychiatry 58:632-9. 2013
    ..Examine the short-term (acute) effects of methylphenidate (MPH) on math performance in children with attention-deficit hyperactivity disorder (ADHD) and what factors predict improvement in math performance...
  27. pmc Catechol-O-methyltransferase (COMT) Val108/158 Met polymorphism does not modulate executive function in children with ADHD
    Evan Taerk
    Department of Psychiatry, McGill University and Douglas Hospital Research Centre, Montreal, Quebec, H4H 1R3, Canada
    BMC Med Genet 5:30. 2004
    ....
  28. ncbi Effectiveness of a therapeutic summer camp for children with ADHD: Phase I Clinical Intervention Trial
    Julie Hantson
    McGill University, Montreal, Quebec, Canada
    J Atten Disord 16:610-7. 2012
    ..This was an open-label, nonrandomized Phase I Clinical Intervention Trial...
  29. pmc Maternal Stress during Pregnancy, ADHD Symptomatology in Children and Genotype: Gene-Environment Interaction
    Natalie Grizenko
    Department of Psychiatry, McGill University, Montreal, Quebec
    J Can Acad Child Adolesc Psychiatry 21:9-15. 2012
    ..Our objective was to control for these factors by using an intra-familial design, and investigate gene-environment interactions...
  30. pmc Efficacy of Methylphenidate in ADHD Children across the Normal and the Gifted Intellectual Spectrum
    Natalie Grizenko
    Department of Psychiatry, McGill University, Montreal, Canada Douglas Mental Health University Institute, Montreal
    J Can Acad Child Adolesc Psychiatry 21:282-8. 2012
    ....
  31. pmc Sensitivity of scales to evaluate change in symptomatology with psychostimulants in different ADHD subtypes
    Natalie Grizenko
    Department of Psychiatry, McGill University, Montreal, Quebec Douglas Mental Health University Institute, Montreal, Quebec
    J Can Acad Child Adolesc Psychiatry 22:153-8. 2013
    ....