Valerie S. Knopik, Ph.D. - Publications

Affiliations: 
University of Colorado, Boulder, Boulder, CO, United States 
Area:
Behavior Genetics

87 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2017 Ayorech Z, Selzam S, Smith-Woolley E, Knopik VS, Neiderhiser JM, DeFries JC, Plomin R. Erratum to: Publication Trends Over 55 Years of Behavioral Genetic Research. Behavior Genetics. PMID 28474239 DOI: 10.1007/s10519-017-9849-z  0.96
2016 Bidwell LC, Palmer RH, Brick L, Madden PA, Heath AC, Knopik VS. A Propensity Scoring Approach to Characterizing the Effects of Maternal Smoking During Pregnancy on Offspring's Initial Responses to Cigarettes and Alcohol. Behavior Genetics. PMID 27098899 DOI: 10.1007/s10519-016-9791-5  0.96
2016 Knopik VS, Neiderhiser JM, de Geus E, Boomsma D. The Importance of the Prenatal Environment in Behavioral Genetics: Introduction to Special Issue. Behavior Genetics. PMID 27085879 DOI: 10.1007/s10519-016-9790-6  0.96
2016 Kudinova AY, Deak T, Hueston CM, McGeary J, Knopik VS, Palmer RH, Gibb BE. Cross-Species Evidence for the Role of Interleukin-33 in Depression Risk. Journal of Abnormal Psychology. PMID 27054346 DOI: 10.1037/abn0000158  0.96
2016 Stuart GL, McGeary J, Shorey RC, Knopik VS. Genetics Moderate Alcohol and Intimate Partner Violence Treatment Outcomes in a Randomized Controlled Trial of Hazardous Drinking Men in Batterer Intervention Programs: A Preliminary Investigation. Journal of Consulting and Clinical Psychology. PMID 27018532 DOI: 10.1037/a0040219  0.96
2016 Ayorech Z, Selzam S, Smith-Woolley E, Knopik VS, Neiderhiser JM, DeFries JC, Plomin R. Publication Trends Over 55 Years of Behavioral Genetic Research. Behavior Genetics. PMID 26992731 DOI: 10.1007/s10519-016-9786-2  0.96
2016 Marceau K, McMaster MT, Smith TF, Daams JG, van Beijsterveldt CE, Boomsma DI, Knopik VS. The Prenatal Environment in Twin Studies: A Review on Chorionicity. Behavior Genetics. PMID 26944881 DOI: 10.1007/s10519-016-9782-6  0.96
2016 Smith TF, Schmidt-Kastner R, McGeary JE, Kaczorowski JA, Knopik VS. Pre- and Perinatal Ischemia-Hypoxia, the Ischemia-Hypoxia Response Pathway, and ADHD Risk. Behavior Genetics. PMID 26920003 DOI: 10.1007/s10519-016-9784-4  0.96
2016 Palmer RH, Bidwell LC, Heath AC, Brick LA, Madden PA, Knopik VS. Effects of Maternal Smoking during Pregnancy on Offspring Externalizing Problems: Contextual Effects in a Sample of Female Twins. Behavior Genetics. PMID 26826031 DOI: 10.1007/s10519-016-9779-1  0.96
2016 Plomin R, DeFries JC, Knopik VS, Neiderhiser JM. Top 10 Replicated Findings From Behavioral Genetics. Perspectives On Psychological Science : a Journal of the Association For Psychological Science. 11: 3-23. PMID 26817721 DOI: 10.1177/1745691615617439  0.96
2016 Marceau K, Palmer RH, Neiderhiser JM, Smith TF, McGeary JE, Knopik VS. Passive rGE or Developmental Gene-Environment Cascade? An Investigation of the Role of Xenobiotic Metabolism Genes in the Association Between Smoke Exposure During Pregnancy and Child Birth Weight. Behavior Genetics. PMID 26803317 DOI: 10.1007/s10519-016-9778-2  0.96
2016 Knopik VS, Marceau K, Bidwell LC, Palmer RH, Smith TF, Todorov A, Evans AS, Heath AC. Smoking during pregnancy and ADHD risk: A genetically informed, multiple-rater approach. American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics : the Official Publication of the International Society of Psychiatric Genetics. PMID 26799787 DOI: 10.1002/ajmg.b.32421  0.96
2015 Knopik VS, Marceau K, Palmer RH, Smith TF, Heath AC. Maternal Smoking During Pregnancy and Offspring Birth Weight: A Genetically-Informed Approach Comparing Multiple Raters. Behavior Genetics. PMID 26494459 DOI: 10.1007/s10519-015-9750-6  0.96
2015 Bidwell LC, McGeary JE, Gray JC, Palmer RH, Knopik VS, MacKillop J. An initial investigation of associations between dopamine-linked genetic variation and smoking motives in African Americans. Pharmacology, Biochemistry, and Behavior. 138: 104-110. PMID 26410615 DOI: 10.1016/j.pbb.2015.09.018  0.96
2015 Knopik VS, Heath AC, Marceau K, Palmer RH, McGeary JE, Todorov A, Evans AS. Missouri Mothers and Their Children: A Family Study of the Effects of Genetics and the Prenatal Environment. Twin Research and Human Genetics : the Official Journal of the International Society For Twin Studies. 1-12. PMID 26220592 DOI: 10.1017/thg.2015.46  0.96
2015 Palmer RH, McGeary JE, Heath AC, Keller MC, Brick LA, Knopik VS. Shared Additive Genetic Influences on DSM-IV Criteria for Alcohol Dependence in Subjects of European Ancestry. Addiction (Abingdon, England). PMID 26211938 DOI: 10.1111/add.13070  0.96
2015 Metrik J, Aston ER, Kahler CW, Rohsenow DJ, McGeary JE, Knopik VS. Marijuana's acute effects on cognitive bias for affective and marijuana cues. Experimental and Clinical Psychopharmacology. 23: 339-50. PMID 26167716 DOI: 10.1037/pha0000030  0.96
2015 Bidwell LC, Knopik VS, Audrain-McGovern J, Glynn TR, Spillane NS, Ray LA, Riggs NR, Guillot CR, Pang RD, Leventhal AM. Novelty Seeking as a Phenotypic Marker of Adolescent Substance Use. Substance Abuse : Research and Treatment. 9: 1-10. PMID 26106262 DOI: 10.4137/SART.S22440  0.96
2015 Owens M, Harrison AJ, Burkhouse KL, McGeary JE, Knopik VS, Palmer RH, Gibb BE. Eye tracking indices of attentional bias in children of depressed mothers: Polygenic influences help to clarify previous mixed findings. Development and Psychopathology. 1-13. PMID 26030911 DOI: 10.1017/S0954579415000462  0.96
2015 Blanco NJ, Love BC, Cooper JA, McGeary JE, Knopik VS, Maddox WT. A frontal dopamine system for reflective exploratory behavior. Neurobiology of Learning and Memory. 123: 84-91. PMID 26004676 DOI: 10.1016/j.nlm.2015.05.004  0.96
2015 Marceau K, Knopik VS, Neiderhiser JM, Lichtenstein P, Spotts EL, Ganiban JM, Reiss D. Adolescent age moderates genetic and environmental influences on parent-adolescent positivity and negativity: Implications for genotype-environment correlation. Development and Psychopathology. 1-18. PMID 25924807 DOI: 10.1017/S0954579415000358  0.96
2015 Woody ML, Kudinova AY, McGeary JE, Knopik VS, Palmer RH, Gibb BE. Influence of maternal depression on children's brooding rumination: Moderation by CRHR1 TAT haplotype. Cognition & Emotion. 1-13. PMID 25648046 DOI: 10.1080/02699931.2014.998631  0.96
2015 Burkhouse KL, Woody ML, Owens M, McGeary JE, Knopik VS, Gibb BE. Sensitivity in detecting facial displays of emotion: Impact of maternal depression and oxytocin receptor genotype. Cognition & Emotion. 1-13. PMID 25622005 DOI: 10.1080/02699931.2014.996531  0.96
2015 Kudinova AY, Gibb BE, McGeary JE, Knopik VS. Brain derived neurotrophic factor (BDNF) polymorphism moderates the interactive effect of 5-HTTLPR polymorphism and childhood abuse on diagnoses of major depression in women. Psychiatry Research. 225: 746-7. PMID 25500322 DOI: 10.1016/j.psychres.2014.10.030  0.96
2015 Xie Z, Maddox WT, Knopik VS, McGeary JE, Chandrasekaran B. Dopamine receptor D4 (DRD4) gene modulates the influence of informational masking on speech recognition. Neuropsychologia. 67: 121-31. PMID 25497692 DOI: 10.1016/j.neuropsychologia.2014.12.013  0.96
2015 Palmer RH, Brick L, Nugent NR, Bidwell LC, McGeary JE, Knopik VS, Keller MC. Examining the role of common genetic variants on alcohol, tobacco, cannabis and illicit drug dependence: genetics of vulnerability to drug dependence. Addiction (Abingdon, England). 110: 530-7. PMID 25424661 DOI: 10.1111/add.12815  0.96
2015 Bidwell LC, McGeary JE, Gray JC, Palmer RH, Knopik VS, MacKillop J. NCAM1-TTC12-ANKK1-DRD2 variants and smoking motives as intermediate phenotypes for nicotine dependence. Psychopharmacology. 232: 1177-86. PMID 25273375 DOI: 10.1007/s00213-014-3748-2  0.96
2014 Kahler CW, Metrik J, Spillane NS, Day A, Leventhal AM, McKee SA, Tidey JW, McGeary JE, Knopik VS, Rohsenow DJ. Acute effects of low and high dose alcohol on smoking lapse behavior in a laboratory analogue task. Psychopharmacology. 231: 4649-57. PMID 24858377 DOI: 10.1007/s00213-014-3613-3  0.96
2014 Stuart GL, McGeary JE, Shorey RC, Knopik VS. Further investigation of genetics and intimate partner violence. Violence Against Women. 20: 420-6. PMID 24759926 DOI: 10.1177/1077801214528586  0.96
2014 Stuart GL, McGeary JE, Shorey RC, Knopik VS, Beaucage K, Temple JR. Genetic associations with intimate partner violence in a sample of hazardous drinking men in batterer intervention programs. Violence Against Women. 20: 385-400. PMID 24759925 DOI: 10.1177/1077801214528587  0.96
2014 Xu X, Clark US, David SP, Mulligan RC, Knopik VS, McGeary J, MacKillop J, McCaffery J, Niaura RS, Sweet LH. Effects of nicotine deprivation and replacement on BOLD-fMRI response to smoking cues as a function of DRD4 VNTR genotype. Nicotine & Tobacco Research : Official Journal of the Society For Research On Nicotine and Tobacco. 16: 939-47. PMID 24659022 DOI: 10.1093/ntr/ntu010  0.96
2014 Knopik VS, Bidwell LC, Flessner C, Nugent N, Swenson L, Bucholz KK, Madden PA, Heath AC. DSM-IV defined conduct disorder and oppositional defiant disorder: an investigation of shared liability in female twins. Psychological Medicine. 44: 1053-64. PMID 23795654 DOI: 10.1017/S0033291713001396  0.96
2013 Bidwell LC, Metrik J, McGeary J, Palmer RH, Francazio S, Knopik VS. Impulsivity, variation in the cannabinoid receptor (CNR1) and fatty acid amide hydrolase (FAAH) genes, and marijuana-related problems. Journal of Studies On Alcohol and Drugs. 74: 867-78. PMID 24172113  0.96
2013 Maccani MA, Padbury JF, Lester BM, Knopik VS, Marsit CJ. Placental miRNA expression profiles are associated with measures of infant neurobehavioral outcomes. Pediatric Research. 74: 272-8. PMID 23783433 DOI: 10.1038/pr.2013.102  0.96
2013 Palmer RH, Knopik VS, Rhee SH, Hopfer CJ, Corley RC, Young SE, Stallings MC, Hewitt JK. Prospective effects of adolescent indicators of behavioral disinhibition on DSM-IV alcohol, tobacco, and illicit drug dependence in young adulthood. Addictive Behaviors. 38: 2415-21. PMID 23685327 DOI: 10.1016/j.addbeh.2013.03.021  0.96
2013 Allen AL, McGeary JE, Knopik VS, Hayes JE. Bitterness of the non-nutritive sweetener acesulfame potassium varies with polymorphisms in TAS2R9 and TAS2R31. Chemical Senses. 38: 379-89. PMID 23599216 DOI: 10.1093/chemse/bjt017  0.96
2013 Miranda R, Reynolds E, Ray L, Justus A, Knopik VS, McGeary J, Meyerson LA. Preliminary evidence for a gene-environment interaction in predicting alcohol use disorders in adolescents. Alcoholism, Clinical and Experimental Research. 37: 325-31. PMID 23136901 DOI: 10.1111/j.1530-0277.2012.01897.x  0.96
2013 Wells TT, Beevers CG, Knopik VS, McGeary JE. Dopamine D4 receptor gene variation is associated with context-dependent attention for emotion stimuli. The International Journal of Neuropsychopharmacology / Official Scientific Journal of the Collegium Internationale Neuropsychopharmacologicum (Cinp). 16: 525-34. PMID 22607734 DOI: 10.1017/S1461145712000478  0.96
2013 Boisvert D, Wright JP, Knopik V, Vaske J. A Twin Study of Sex Differences in Self-Control Justice Quarterly. 30: 529-559. DOI: 10.1080/07418825.2011.610762  0.96
2013 Smith TF, Maccani MA, Knopik VS. Maternal smoking during pregnancy and offspring health outcomes: The role of epigenetic research in informing legal policy and practice Hastings Law Journal. 64: 1619-1648.  0.96
2012 Knopik VS, Maccani MA, Francazio S, McGeary JE. The epigenetics of maternal cigarette smoking during pregnancy and effects on child development. Development and Psychopathology. 24: 1377-90. PMID 23062304 DOI: 10.1017/S0954579412000776  0.96
2012 McGeary JE, Knopik VS, Hayes JE, Palmer RH, Monti PM, Kalman D. Predictors of relapse in a bupropion trial for smoking cessation in recently-abstinent alcoholics: preliminary results using an aggregate genetic risk score. Substance Abuse : Research and Treatment. 6: 107-14. PMID 23032639 DOI: 10.4137/SART.S8866  0.96
2012 Palmer RH, McGeary JE, Francazio S, Raphael BJ, Lander AD, Heath AC, Knopik VS. The genetics of alcohol dependence: advancing towards systems-based approaches. Drug and Alcohol Dependence. 125: 179-91. PMID 22854292 DOI: 10.1016/j.drugalcdep.2012.07.005  0.96
2012 Burkhouse KL, Uhrlass DJ, Stone LB, Knopik VS, Gibb BE. Expressed emotion-criticism and risk of depression onset in children. Journal of Clinical Child and Adolescent Psychology : the Official Journal For the Society of Clinical Child and Adolescent Psychology, American Psychological Association, Division 53. 41: 771-7. PMID 22838507 DOI: 10.1080/15374416.2012.703122  0.96
2012 Carskadon MA, Sharkey KM, Knopik VS, McGeary JE. Short sleep as an environmental exposure: a preliminary study associating 5-HTTLPR genotype to self-reported sleep duration and depressed mood in first-year university students. Sleep. 35: 791-6. PMID 22654198 DOI: 10.5665/sleep.1876  0.96
2012 Flessner CA, Knopik VS, McGeary J. Hair pulling disorder (trichotillomania): genes, neurobiology, and a model for understanding impulsivity and compulsivity. Psychiatry Research. 199: 151-8. PMID 22537722 DOI: 10.1016/j.psychres.2012.03.039  0.96
2012 Maccani MA, Knopik VS. Cigarette smoke exposure-associated alterations to non-coding RNA. Frontiers in Genetics. 3: 53. PMID 22509180 DOI: 10.3389/fgene.2012.00053  0.96
2012 Waldron M, Madden PA, Nelson EC, Knopik VS, Glowinski AL, Grant JD, Lynskey MT, Jacob T, Sher KJ, Bucholz KK, Heath AC. The interpretability of family history reports of alcoholism in general community samples: findings in a midwestern U.S. twin birth cohort. Alcoholism, Clinical and Experimental Research. 36: 1091-8. PMID 22235921 DOI: 10.1111/j.1530-0277.2011.01698.x  0.96
2012 Kahler CW, Metrik J, Spillane NS, Leventhal AM, McKee SA, Tidey JW, McGeary JE, Knopik VS, Rohsenow DJ. Sex differences in stimulus expectancy and pharmacologic effects of a moderate dose of alcohol on smoking lapse risk in a laboratory analogue study. Psychopharmacology. 222: 71-80. PMID 22227611 DOI: 10.1007/s00213-011-2624-6  0.96
2012 Nugent NR, Lally MA, Brown L, Knopik VS, McGeary JE. OPRM1 and diagnosis-related posttraumatic stress disorder in binge-drinking patients living with HIV. Aids and Behavior. 16: 2171-80. PMID 22143634 DOI: 10.1007/s10461-011-0095-8  0.96
2012 Josephs RA, Telch MJ, Hixon JG, Evans JJ, Lee H, Knopik VS, McGeary JE, Hariri AR, Beevers CG. Genetic and hormonal sensitivity to threat: testing a serotonin transporter genotype × testosterone interaction. Psychoneuroendocrinology. 37: 752-61. PMID 21978869 DOI: 10.1016/j.psyneuen.2011.09.006  0.96
2012 Parade SH, McGeary J, Seifer R, Knopik V. Infant development in family context: Call for a genetically informed approach Frontiers in Genetics. 3. DOI: 10.3389/fgene.2012.00167  0.96
2012 Boisvert D, Vaske J, Wright JP, Knopik V. Sex Differences in Criminal Behavior: A Genetic Analysis Journal of Contemporary Criminal Justice. 28: 293-313. DOI: 10.1177/1043986212450224  0.96
2012 Boisvert D, Wright JP, Knopik V, Vaske J. Genetic and Environmental Overlap between Low Self-Control and Delinquency Journal of Quantitative Criminology. 28: 477-507. DOI: 10.1007/s10940-011-9150-x  0.96
2011 Knopik VS. Grand challenge in behavioral and psychiatric genetics: quantitative challenges to keeping up with molecular advances. Frontiers in Genetics. 2: 9. PMID 22303308 DOI: 10.3389/fgene.2011.00009  0.96
2011 Mulligan RC, Knopik VS, Sweet LH, Fischer M, Seidenberg M, Rao SM. Neural correlates of inhibitory control in adult attention deficit/hyperactivity disorder: evidence from the Milwaukee longitudinal sample. Psychiatry Research. 194: 119-29. PMID 21937201 DOI: 10.1016/j.pscychresns.2011.02.003  0.96
2011 Gibb BE, Johnson AL, Benas JS, Uhrlass DJ, Knopik VS, McGeary JE. Children's 5-HTTLPR genotype moderates the link between maternal criticism and attentional biases specifically for facial displays of anger. Cognition & Emotion. 25: 1104-20. PMID 21895572 DOI: 10.1080/02699931.2010.508267  0.96
2011 McGeary JE, Gurel V, Knopik VS, Spaulding J, McMichael J. Effects of nerve growth factor (NGF), fluoxetine, and amitriptyline on gene expression profiles in rat brain. Neuropeptides. 45: 317-22. PMID 21820738 DOI: 10.1016/j.npep.2011.06.002  0.96
2011 Clasen PC, Wells TT, Knopik VS, McGeary JE, Beevers CG. 5-HTTLPR and BDNF Val66Met polymorphisms moderate effects of stress on rumination. Genes, Brain, and Behavior. 10: 740-6. PMID 21745335 DOI: 10.1111/j.1601-183X.2011.00715.x  0.96
2011 Burkhouse KL, Gibb BE, Coles ME, Knopik VS, McGeary JE. Serotonin transporter genotype moderates the link between children's reports of overprotective parenting and their behavioral inhibition. Journal of Abnormal Child Psychology. 39: 783-90. PMID 21633928 DOI: 10.1007/s10802-011-9526-2  0.96
2011 Hayes JE, Wallace MR, Knopik VS, Herbstman DM, Bartoshuk LM, Duffy VB. Allelic variation in TAS2R bitter receptor genes associates with variation in sensations from and ingestive behaviors toward common bitter beverages in adults. Chemical Senses. 36: 311-9. PMID 21163912 DOI: 10.1093/chemse/bjq132  0.96
2010 Mackillop J, Obasi E, Amlung MT, McGeary JE, Knopik VS. The Role of Genetics in Nicotine Dependence: Mapping the Pathways from Genome to Syndrome. Current Cardiovascular Risk Reports. 4: 446-453. PMID 21686075 DOI: 10.1007/s12170-010-0132-6  0.96
2010 Knopik VS. Commentary: smoking during pregnancy--genes and environment weigh in. International Journal of Epidemiology. 39: 1203-5. PMID 20621956 DOI: 10.1093/ije/dyq125  0.96
2010 Miranda R, Ray L, Justus A, Meyerson LA, Knopik VS, McGeary J, Monti PM. Initial evidence of an association between OPRM1 and adolescent alcohol misuse. Alcoholism, Clinical and Experimental Research. 34: 112-22. PMID 19860800 DOI: 10.1111/j.1530-0277.2009.01073.x  0.96
2009 Esposito-Smythers C, Spirito A, Rizzo C, McGeary JE, Knopik VS. Associations of the DRD2 TaqIA polymorphism with impulsivity and substance use: preliminary results from a clinical sample of adolescents. Pharmacology, Biochemistry, and Behavior. 93: 306-12. PMID 19344737 DOI: 10.1016/j.pbb.2009.03.012  0.96
2009 Knopik VS, Heath AC, Bucholz KK, Madden PA, Waldron M. Genetic and environmental influences on externalizing behavior and alcohol problems in adolescence: a female twin study. Pharmacology, Biochemistry, and Behavior. 93: 313-21. PMID 19341765 DOI: 10.1016/j.pbb.2009.03.011  0.96
2009 Knopik VS, Jacob T, Haber JR, Swenson LP, Howell DN. Paternal alcoholism and offspring ADHD problems: a children of twins design. Twin Research and Human Genetics : the Official Journal of the International Society For Twin Studies. 12: 53-62. PMID 19210180 DOI: 10.1375/twin.12.1.53  0.96
2009 Knopik VS. Maternal smoking during pregnancy and child outcomes: real or spurious effect? Developmental Neuropsychology. 34: 1-36. PMID 19142764 DOI: 10.1080/87565640802564366  0.96
2008 Agrawal A, Knopik VS, Pergadia ML, Waldron M, Bucholz KK, Martin NG, Heath AC, Madden PA. Correlates of cigarette smoking during pregnancy and its genetic and environmental overlap with nicotine dependence. Nicotine & Tobacco Research : Official Journal of the Society For Research On Nicotine and Tobacco. 10: 567-78. PMID 18418779 DOI: 10.1080/14622200801978672  0.96
2007 Ray LA, Rhee SH, Stallings MC, Knopik V, Hutchison KE. Examining the heritability of a laboratory-based smoking endophenotype: initial results from an experimental twin study. Twin Research and Human Genetics : the Official Journal of the International Society For Twin Studies. 10: 546-53. PMID 17708695 DOI: 10.1375/twin.10.4.546  0.96
2006 Knopik VS, Heath AC, Jacob T, Slutske WS, Bucholz KK, Madden PA, Waldron M, Martin NG. Maternal alcohol use disorder and offspring ADHD: disentangling genetic and environmental effects using a children-of-twins design. Psychological Medicine. 36: 1461-71. PMID 16734942 DOI: 10.1017/S0033291706007884  0.96
2005 Lynskey MT, Nelson EC, Neuman RJ, Bucholz KK, Madden PA, Knopik VS, Slutske W, Whitfield JB, Martin NG, Heath AC. Limitations of DSM-IV operationalizations of alcohol abuse and dependence in a sample of Australian twins. Twin Research and Human Genetics : the Official Journal of the International Society For Twin Studies. 8: 574-84. PMID 16354499 DOI: 10.1375/183242705774860178  0.96
2005 Knopik VS, Sparrow EP, Madden PA, Bucholz KK, Hudziak JJ, Reich W, Slutske WS, Grant JD, McLaughlin TL, Todorov A, Todd RD, Heath AC. Contributions of parental alcoholism, prenatal substance exposure, and genetic transmission to child ADHD risk: a female twin study. Psychological Medicine. 35: 625-35. PMID 15918339 DOI: 10.1017/S0033291704004155  0.96
2004 Knopik VS, Heath AC, Madden PA, Bucholz KK, Slutske WS, Nelson EC, Statham D, Whitfield JB, Martin NG. Genetic effects on alcohol dependence risk: re-evaluating the importance of psychiatric and other heritable risk factors. Psychological Medicine. 34: 1519-30. PMID 15724882 DOI: 10.1017/S0033291704002922  0.96
2004 Romeis JC, Grant JD, Knopik VS, Pedersen NL, Heath AC. The genetics of middle-age spread in middle-class males. Twin Research : the Official Journal of the International Society For Twin Studies. 7: 596-602. PMID 15607010 DOI: 10.1375/1369052042663896  0.96
2004 Nelson EC, Heath AC, Bucholz KK, Madden PAF, Fu Q, Knopik V, Lynskey MT, Whitfield JB, Statham DJ, Martin NG. Genetic Epidemiology of Alcohol-Induced Blackouts Archives of General Psychiatry. 61: 257-263. PMID 14993113 DOI: 10.1001/archpsyc.61.3.257  0.96
2003 Heath AC, Knopik VS, Madden PA, Neuman RJ, Lynskey MJ, Slutske WS, Jacob T, Martin NG. Accuracy of mothers' retrospective reports of smoking during pregnancy: comparison with twin sister informant ratings. Twin Research : the Official Journal of the International Society For Twin Studies. 6: 297-301. PMID 14511436 DOI: 10.1375/136905203322296656  0.96
2002 Knopik VS, Smith SD, Cardon L, Pennington B, Gayan J, Olson RK, DeFries JC. Differential genetic etiology of reading component processes as a function of IQ. Behavior Genetics. 32: 181-98. PMID 12141780 DOI: 10.1023/A:1016069012111  0.96
2002 Willcutt EG, Pennington BF, Smith SD, Cardon LR, Gayán J, Knopik VS, Olson RK, DeFries JC. Quantitative trait locus for reading disability on chromosome 6p is pleiotropic for attention-deficit/hyperactivity disorder. American Journal of Medical Genetics. 114: 260-8. PMID 11920845 DOI: 10.1002/ajmg.10205  0.96
2001 Davis CJ, Gayán J, Knopik VS, Smith SD, Cardon LR, Pennington BF, Olson RK, DeFries JC. Etiology of reading difficulties and rapid naming: the Colorado Twin Study of Reading Disability. Behavior Genetics. 31: 625-35. PMID 11838539 DOI: 10.1023/A:1013305730430  0.96
2000 Davis CJ, Knopik VS, Wadsworth SJ, DeFries JC. Self-reported reading problems in parents of twins with reading difficulties. Twin Research : the Official Journal of the International Society For Twin Studies. 3: 88-91. PMID 10918621  0.96
2000 Alarcón M, Knopik VS, DeFries JC. Covariation of mathematics achievement and general cognitive ability in twins Journal of School Psychology. 38: 63-77.  0.96
1999 Knopik VS, DeFries JC. Etiology of covariation between reading and mathematics performance: a twin study. Twin Research : the Official Journal of the International Society For Twin Studies. 2: 226-34. PMID 10555134 DOI: 10.1375/136905299320565906  0.96
1998 Knopik VS, Alarcón M, DeFries JC. Common and specific gender influences on individual differences in reading performance: A twin study Personality and Individual Differences. 25: 269-277.  0.96
1998 Knopik VS, DeFries JC. A twin study of gender-influenced individual differences in general cognitive ability Intelligence. 26: 81-89.  0.96
1997 Knopik VS, Alarcón M, DeFries JC. Comorbidity of mathematics and reading deficits: evidence for a genetic etiology. Behavior Genetics. 27: 447-53. PMID 9336081 DOI: 10.1023/A:1025622400239  0.96
1996 Knopik VS, Defries JC, Alarcón M. Gender differences in cognitive abilities of opposite-sex and same-sex twin pairs with reading disabilty. Annals of Dyslexia. 46: 241-57. PMID 24234274 DOI: 10.1007/BF02648178  0.96
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