Research Topics
Genomes and GenesSpecies | Howard SteigerSummaryAffiliation: McGill University Country: Canada Publications
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Publications
Childhood and adulthood abuse in bulimic and nonbulimic women: prevalences and psychological correlatesStephanie Leonard
Eating Disorders Program, Douglas Hospital, Verdun, Quebec, Canada
Int J Eat Disord 33:397-405. 2003..We evaluated associations between childhood physical and sexual abuse in bulimic women and eating disturbances, psychiatric symptoms, and likelihood of later abuse in adulthood...
The 5HTTLPR polymorphism, psychopathologic symptoms, and platelet [3H-] paroxetine binding in bulimic syndromesHoward Steiger
Eating Disorders Program, Douglas Hospital, Montreal, Quebec, Canada
Int J Eat Disord 37:57-60. 2005....
Interaction of the BcII glucocorticoid receptor polymorphism and childhood abuse in Bulimia Nervosa (BN): relationship to BN and to associated trait manifestationsHoward Steiger
Eating Disorders Program, Douglas University Institute, Montreal, Quebec, Canada
J Psychiatr Res 46:152-8. 2012..We discuss theoretical and clinical implications of these observations...
Childhood abuse and platelet tritiated-paroxetine binding in bulimia nervosa: implications of borderline personality disorderH Steiger
Eating Disorders Program, Douglas Hospital, Verdun, Quebec, Canada
J Clin Psychiatry 61:428-35. 2000..To explore this notion, we conducted a controlled assessment of childhood abuse and 5-HT function in bulimics with and without borderline personality disorder...
Association of trait-defined, eating-disorder sub-phenotypes with (biallelic and triallelic) 5HTTLPR variationsHoward Steiger
Eating Disorders Program, Douglas University Institute in Mental Health, Quebec, Canada
J Psychiatr Res 43:1086-94. 2009..We explored the extent to which an empirical, trait-defined typology of eating-disordered individuals coincided systematically with variations in 5HTTLPR, assayed using biallelic and triallelic models...
Serotonin-system polymorphisms (5-HTTLPR and -1438G/A) and responses of patients with bulimic syndromes to multimodal treatmentsHoward Steiger
Eating Disorders Program, Douglas Mental Health University Institute, 6875 LaSalle Blvd, Montreal, Quebec, Canada H4H 1R3
J Clin Psychiatry 69:1565-71. 2008....
The 5HTTLPR polymorphism, prior maltreatment and dramatic-erratic personality manifestations in women with bulimic syndromesHoward Steiger
Eating Disorders Program, Douglas Hospital, 6875 LaSalle Blvd, Montreal QC H4H 1R3, Canada
J Psychiatry Neurosci 32:354-62. 2007..In women with bulimic syndromes, we explored associations with personality pathology of 5HTTLPR and prior sexual or physical maltreatment...
Dissocial behavior, the 5HTTLPR polymorphism, and maltreatment in women with bulimic syndromesHoward Steiger
Eating Disorders Program, Douglas Institute, Montreal, Quebec, Canada
Am J Med Genet B Neuropsychiatr Genet 147:128-30. 2008..c) 2007 Wiley-Liss, Inc...
Mood- and restraint-based antecedents to binge episodes in bulimia nervosa: possible influences of the serotonin systemHoward Steiger
Eating Disorders Program, Douglas Hospital, 6875 LaSalle Boulevard, Montreal Verdun, Quebec, Canada H4H 1R3
Psychol Med 35:1553-62. 2005..However, as central serotonin (5-hydroxytryptamine: 5-HT) mechanisms regulate appetite and mood, the 5-HT system could be implicated in diet- and mood-based binge antecedents...
Phenotypes, endophenotypes, and genotypes in bulimia spectrum eating disordersHoward Steiger
Psychiatry Department, McGill University, Montreal, Quebec
Can J Psychiatry 52:220-7. 2007....
Intrafamilial correspondences on platelet [3H-]paroxetine-binding indices in bulimic probands and their unaffected first-degree relativesHoward Steiger
Eating Disorders Program, Douglas Hospital, Montreal, QC, Canada
Neuropsychopharmacology 31:1785-92. 2006..We propose that, under conducive circumstances, such a trait may increase risk of binge-eating behavior, or associated symptoms of affective or behavioral dysregulation...
Reduced density of platelet-binding sites for [3H]paroxetine in remitted bulimic womenHoward Steiger
Eating Disorders Program, Douglas Hospital, Montreal, Quebec, Canada
Neuropsychopharmacology 30:1028-32. 2005....
Trait-defined eating-disorder subtypes and history of childhood abuseHoward Steiger
Eating Disorders Program, Douglas University Institute, Montreal, Quebec, Canada
Int J Eat Disord 43:428-32. 2010....
Serotonin function, personality-trait variations, and childhood abuse in women with bulimia-spectrum eating disordersHoward Steiger
Eating Disorders Program, Douglas Hospital, Verdun, Quebec, Canada
J Clin Psychiatry 65:830-7. 2004..We explored relationships among measures of 5-HT system functioning, behavioral inhibition/disinhibition, and childhood abuse in women with bulimia-spectrum eating syndromes...
Self-destructiveness and serotonin function in bulimia nervosaH Steiger
Eating Disorders Program, Douglas Hospital, Quebec, Verdun, Canada
Psychiatry Res 103:15-26. 2001..These findings suggest that some serotonergic anomalies reported in BN sufferers (i.e. reduced neuroendocrine response after m-CPP) may be most characteristic of individuals in the population showing clear-cut self-destructive potential...
Neural circuits, neurotransmitters, and behavior: serotonin and temperament in bulimic syndromesHoward Steiger
Douglas University Institute, 6875 LaSalle Blvd, Montreal Verdun, QC, Canada, H4H 1R3
Curr Top Behav Neurosci 6:125-38. 2011....
Contributions of the glucocorticoid receptor polymorphism (Bcl1) and childhood abuse to risk of bulimia nervosaHoward Steiger
Eating Disorders Program, Douglas University Institute, Montreal, Quebec, Canada
Psychiatry Res 187:193-7. 2011..We interpret our findings as indicating that traumatic stress, when impacting individuals disposed to lower GR modulation, can be etiological for BN...
Molecular-genetic correlates of self-harming behaviors in eating-disordered women: findings from a combined Canadian-German sampleHoward Steiger
Eating Disorders Program, Douglas University Institute, Montreal, Canada
Prog Neuropsychopharmacol Biol Psychiatry 35:102-6. 2011..As in other populations, our findings link the MAOAuVNTR high-function alleles with increased risk of self-directed harm in bulimic females. We discuss theoretical and clinical ramifications of our results...
Implications of compulsive and impulsive traits for serotonin status in women with bulimia nervosaHoward Steiger
Eating Disorders Program, Douglas Hospital, 6875 LaSalle Blvd, Verdun, Quebec H4H 1R3, Canada
Psychiatry Res 120:219-29. 2003..Our findings suggest that 5-HT status in BN may correspond to impulsive or compulsive traits, and they encourage multidimensional modeling of the pathophysiological role of 5-HT in BN...
Eating disorders and the serotonin connection: state, trait and developmental effectsHoward Steiger
Eating Disorders Program, Douglas Hospital, and the Psychiatry Department, McGill University, Montreal, Que
J Psychiatry Neurosci 29:20-9. 2004....
Impulsivity in women with eating disorders: problem of response inhibition, planning, or attention?Lindsay Rosval
Eating Disorders Program, Douglas Hospital, Montreal, Quebec, Canada
Int J Eat Disord 39:590-3. 2006..However, studies have not exhaustively explored the association between EDs and various component dimensions of the impulsivity construct...
Relevance of the 5-HTTLPR polymorphism and childhood abuse to increased psychiatric comorbidity in women with bulimia-spectrum disordersJodie Richardson
Eating Disorders Program, Douglas Mental Health University Institute, Montreal, Quebec, Canada
J Clin Psychiatry 69:981-90. 2008....
Association of the promoter polymorphism -1438G/A of the 5-HT2A receptor gene with behavioral impulsiveness and serotonin function in women with bulimia nervosaKenneth R Bruce
Eating Disorders Program, Research Centre, Douglas Hospital, Department of Psychiatry, McGill University, 6875 LaSalle Boulevard, Montreal, Quebec H4H 1R3, Canada
Am J Med Genet B Neuropsychiatr Genet 137:40-4. 2005..These findings implicate the GG genotype in the co-aggregation of impulsive behaviors and alterations of post-synaptic 5-HT functioning in women with BN...
Epistatic interactions implicating dopaminergic genes in bulimia nervosa (BN): relationships to eating- and personality-related psychopathologyLea Thaler
Eating Disorders Program, Douglas University Institute, Montreal, Quebec, Canada
Prog Neuropsychopharmacol Biol Psychiatry 39:120-8. 2012..We discuss the implications of our observations...
Reduced platelet [3H]paroxetine binding in anorexia nervosa: relationship to eating symptoms and personality pathologyKenneth R Bruce
Eating Disorders Program, Douglas Hospital, Montreal, Quebec, Canada
Psychiatry Res 142:225-32. 2006..Findings suggest that reduced peripheral serotonin transporter density in AN relates to increased dieting preoccupations, affective instability and anxiousness-fearfulness...
Childhood sexual abuse in relation to neurobiological challenge tests in patients with borderline personality disorder and normal controlsHallie Zweig-Frank
Department of Psychology, Concordia University, Montreal, , Canada
Psychiatry Res 141:337-41. 2006..No differences were found between abused and non-abused patients with BPD. These results do not support the hypothesis that CSA is directly related to neurobiological abnormalities in BPD...
Dopamine-system genes, childhood abuse, and clinical manifestations in women with Bulimia-Spectrum DisordersPatricia Groleau
Eating Disorders Program, Douglas University Institute, Montreal, Quebec, Canada
J Psychiatr Res 46:1139-45. 2012....
Cortisol responses on the dexamethasone suppression test among women with Bulimia-spectrum eating disorders: associations with clinical symptomsKenneth R Bruce
Douglas Mental Health University Institute and McGill University, Montreal, Canada
Prog Neuropsychopharmacol Biol Psychiatry 38:241-6. 2012..We contrasted cortisol responses to the dexamethasone suppression test (DST) in bulimic and non-eating disordered women and examined relationships among DST cortisol responses, eating symptoms and co-morbid disturbances...
Childhood emotional abuse and eating symptoms in bulimic disorders: an examination of possible mediating variablesPatricia Groleau
Eating Disorders Program, Douglas University Institute, Montreal, Quebec, Canada
Int J Eat Disord 45:326-32. 2012..We also examined potential mediators of the link between CEA and disordered eating...
Neurobiological correlates of diagnosis and underlying traits in patients with borderline personality disorder compared with normal controlsJoel Paris
Institute of Community and Family Psychiatry, SMBD Jewish General Hospital, 4333 Chemin de la Cote Ste Catherine, Montreal, Quebec, Canada H3T 1E4
Psychiatry Res 121:239-52. 2004..There were no differences in cortisol response to m-CPP, or on the cholinergic and noradrenergic challenges. The results suggest that impulsive traits in borderline patients are associated with abnormalities in serotonergic systems...
Effects of acute alcohol intoxication on eating-related urges among women with bulimia nervosaKenneth R Bruce
Eating Disorders Program, Douglas Institute, Montreal, Quebec, Canada Research Centre, Douglas Institute, Montreal, Quebec, Canada
Int J Eat Disord 44:333-9. 2011..To investigate the effects of acute alcohol intoxication on eating-related urges among women with bulimia nervosa (BN)...
Impaired platelet [3H]paroxetine binding in female patients with borderline personality disorderN M K Ng Ying Kin
Department of Psychiatry, McGill University, Montreal, Quebec, Canada
Psychopharmacology (Berl) 182:447-51. 2005..There were no associations with trait dimensions independent of diagnosis. CONCLUSIONS: Reduced platelet paroxetine binding in female BPD patients may reflect presynaptic serotonin dysfunction...
Autonomous motivation: a predictor of treatment outcome in bulimia-spectrum eating disordersSandra Mansour
Eating Disorders Program, Douglas Mental Health University Institute, Quebec, Canada
Eur Eat Disord Rev 20:e116-22. 2012..Self-Determination Theory postulates that autonomous motivation for therapy exists when individuals view their participation as freely chosen...
Impact of acute tryptophan depletion on mood and eating-related urges in bulimic and nonbulimic womenKenneth R Bruce
Eating Disorders Program, Douglas Institute, Montreal, Canada
J Psychiatry Neurosci 34:376-82. 2009..We investigated mood and other consequences of ATD in women with bulimia nervosa who were or were not using concurrent serotonergic medications compared with women without bulimia...
Laxative misuse and behavioral disinhibition in bulimia nervosaKenneth R Bruce
Eating Disorders Program, Douglas Hospital, Montreal, Quebec, Canada
Int J Eat Disord 33:92-7. 2003..Various reports suggest that purging with laxatives is associated with greater behavioral impulsivity in bulimia nervosa (BN) patients. We investigated the extent to which laxative misuse corresponds to specific impulse-control problems...
Expectancies related to thinness, dietary restriction, eating, and alcohol consumption in women with bulimia nervosaKenneth Bruce
Eating Disorders Program, Douglas Mental Health University Institute, Montreal, Quebec, Canada
Int J Eat Disord 42:253-8. 2009..To investigate behavior-outcome expectancies relating to thinness, dietary restriction, eating, and alcohol consumption in women with bulimia nervosa (BN)...
Binge antecedents in bulimic syndromes: an examination of dissociation and negative affectMarla J Engelberg
Department of Psychology, McGill University, Montreal, Quebec
Int J Eat Disord 40:531-6. 2007..We conducted a naturalistic study to examine negative affect and dissociative experiences as antecedents to binge episodes...
A naturalistic evaluation of the relation between dietary restraint, the urge to binge, and actual binge eating: a clarificationMarla J Engelberg
Department of Psychology, McGill University, Montreal, Quebec, Canada
Int J Eat Disord 38:355-60. 2005..The current study attempted to characterize the natural course of events linking dietary restraint to urges to binge and actual binge episodes...
Eating-disorder symptoms and syndromes in a sample of urban-dwelling Canadian women: contributions toward a population health perspectiveLise Gauvin
Department of Social and Preventive Medicine, Universite de Montreal, Quebec, Canada
Int J Eat Disord 42:158-65. 2009..We estimated the prevalence of eating disorders and maladaptive eating behaviors in a population-based sample and examined the association of maladaptive eating with self-rated physical and mental health...
The relationship of self-esteem and body esteem in women with and without eating disordersBeverley K Mendelson
, Montreal, , Canada
Int J Eat Disord 31:318-23. 2002..DISCUSSION: Our results contribute to an emerging profile of ED patients as highly socially sensitive...
Overcoming the unhealthy pursuit of thinness: reaction to the Québec Charter for a Healthy and Diverse Body ImageLise Gauvin
Department of Social and Preventive Medicine, Universite de Montreal, and the Centre de recherche du Centre Hospitalier de l Université de Montréal, Montreal, Quebec, Canada
Am J Public Health 102:1600-6. 2012..The Charter, developed through consensus building by a multisectoral, government-led task force, outlined actions to be undertaken by organizations or citizens to reduce media pressures favoring thinness...
Determinants of expressed emotion in mothers of schizophrenia patientsSuzanne King
McGill University and Douglas Hospital Research Center, 6875 LaSalle Blvd, Verdun, Quebec, Canada H4H 1R3
Psychiatry Res 117:211-22. 2003..These results characterize the high EE mother as low in neuroticism and high in conscientiousness with a particular sensitivity to excitement and depression in the patient...
Personality subtyping and bulimia nervosa: psychopathological and genetic correlatesStephen A Wonderlich
University of North Dakota School of Medicine and Health Sciences, Department of Neurosciences, Neuropsychiatric Research Institute, ND 58102, USA
Psychol Med 35:649-57. 2005..In this study, latent profile analysis was used to attempt to identify clusters of bulimic subjects based on psychiatric co-morbidity and personality...
The relationship of momentary anger and impulsivity to bulimic behaviorScott G Engel
Department of Clinical Research, Neuropsychiatric Research Institute, 120 S 8th Street, P O Box 1415, Fargo, ND 58078, USA
Behav Res Ther 45:437-47. 2007..They also suggest that the variability of antecedent anger may be a fruitful avenue for future research for those interested in causal variables associated with bulimia nervosa...
Impulsivity and compulsivity in bulimia nervosaScott G Engel
Neuropsychiatric Research Institute, University of North Dakota School of Medicine and Health Sciences, Fargo, North Dakota 58107, USA
Int J Eat Disord 38:244-51. 2005..A second goal is to explore the relationship between impulsivity and compulsivity and related psychiatric problems...
Eating disorder paradigms for the new millennium: do "attachment" and "culture" appear on brain and genome scans?Howard Steiger
Can J Psychiatry 52:209-11. 2007
