
Institute for Behavioral Genetics
University of Colorado Boulder
447 UCB
Boulder, CO 80309-0447
Research Interests:
The use of cross-sectional and longitudinal studies of twins and families to study behavioral development, and genetic and environmental influences on behavior, personality, and health. Recent research focus on the development of behavior problems in childhood and adolescence, vulnerability to drug use, abuse, and dependence, genetics and health, and linkage and association studies of behavioral traits. Dr. Hewitt is the Editor-in-Chief of the journal, Behavior Genetics. He was Director of the Institute for Behavioral Genetics from 2001-2022.
Active Grants:
- R01 DA054087 (mPIs Rhee, Hewitt, Vrieze, Wilson) 05/01/22-02/28/27 Understanding the links between parental and adolescent substance use: complementary natural experiments using the children of twins design. Role: mPI
- U01 DA051018 (mPIs Banich, Friedman, Hewitt (until 07/0522)) 04/15/20-03/31/27 14/21 ABCD-USA consortium: research project site at CU Boulder. Role: mPI until 07/05/22, currently co-Investigator
- R01 DA042755-03 (mPIs Hopfer, Hewitt, Vrieze, McGue) 09/01/17-05/31/23 Impact of marijuana legalization: comparison of two longitudinal twin cohorts. Subcontract to Institute for Behavioral Genetics (Hewitt). Role:mPI
- R01 AG046938-05 (Reynolds) 06/01/15-05/31/26 Colorado Adoption/Twin Study of Lifespan Behavioral Development & Cognitive Aging Subcontract to Institute for Behavioral Genetics (Wadsworth). Role: co-I
- T32 MH016880-38 (Hewitt) 07/01/20-06/30/25 Research Training in Mental Health Behavior Genetics. Role: PI
- R25 MH019918-27 (Keller, previously Hewitt through 05-2021) 07/01/18-06/30/23 Workshop on Statistical Genetic Methods for Human Complex Traits. Role: co-I
- NIDA R01 DA054087 (Rhee (contact PI), Hewitt, Vrieze, Wilson) 5/1/2022 – 4/30/2027. Understanding the links between parental and adolescent substance use: complementary natural experiments using the children of twins design. Role: mPI (till 02-28-23) then co-I
Additional Information:
Former Trainees
Chelsie Benca
Doctoral student
2011-2013
Bo Bishop
Postdoctoral trainee
1998-2001
Angela Brant
Doctoral student
2007-2012
Michael F. Collins
Doctoral trainee
1980-1983
Teresa deCandia
Doctoral student
2009-2012
Sam Dozani
Doctoral student
2014-2017
Lynn Gynther
Doctoral student
1992-1994
Brett Haberstick
Doctoral student 2002-2005
Steve Hallett
Doctoral Trainee
1983-1987
Jeff Lessem
Doctoral student
1993-1999
Rohan Palmer
Doctoral student
2005-2010
Katie Paulich
Doctoral student
2019-2022
Christian Hopfer
K award trainee
1999-2004
Kristin Rasmus
Doctoral student
2014-2016
Chandra Reynolds
Postdoctoral trainee
1994
Soo Rhee
Postdoctoral trainee
1999-2001
K award trainee
2001-2006
Jane Sims
Doctoral Trainee
1984-1988
Elise Eller
Postdoctoral trainee
2001-2002
Naomi Friedman
Postdoctoral trainee
2002-2005
Michael Stallings
Postdoctoral trainee
1993-1994
David Timberlake
Postdoctoral trainee
2003-2006
Tari Topolski
Doctoral student
1993-1997
Tanya Button
Postdoctoral trainee
2005-2006
Carol van Hulle
Doctoral student
1996-2001
Marianne Wamboldt
K award trainee
1997-2002
Steve Wilson
Doctoral student
1993-2002
J Megan Ross
Postdoctoral trainee
2017-2020
Susan Young
K award trainee
2001-2006
Marissa Ehringer
K award trainee
2005-2010
Joe Sakai
K award trainee
2005-2010
Jason Boardman
K award trainee
2005-2010
Matthew Keller
K award trainee
2010-2014
Additive Genetic Variation in Schizophrenia Risk Is Shared by Populations of African and European Descent
de Candia TR; Lee SH; Yang J; Browning BL; Gejman PV; Levinson DF; Mowry BJ; Hewitt JK; Goddard ME; O'Donovan MC...
- de Candia TR
- Lee SH
- Yang J
- Browning BL
- Gejman PV
- Levinson DF
- Mowry BJ
- Hewitt JK
- Goddard ME
- O'Donovan MC
Publication Date: 2013-09-05
Type: Journal Article
Stability and Change of Genetic and Environmental Effects on the Common Liability to Alcohol, Tobacco, and Cannabis DSM-IV Dependence Symptoms
Publication Date: 2013-09-01
Type: Journal Article
Genetic and Environmental Influences on Negative Life Events From Late Childhood to Adolescence
Publication Date: 2013-09-01
Type: Journal Article
Prospective effects of adolescent indicators of behavioral disinhibition on DSM-IV alcohol, tobacco, and illicit drug dependence in young adulthood
Publication Date: 2013-09-01
Type: Journal Article
The Nature and Nurture of High IQ: An Extended Sensitive Period for Intellectual Development
Brant AM; Munakata Y; Boomsma DI; DeFries JC; Haworth CMA; Keller MC; Martin NG; McGue M; Petrill SA; Plomin R...
- Brant AM
- Munakata Y
- Boomsma DI
- DeFries JC
- Haworth CMA
- Keller MC
- Martin NG
- McGue M
- Petrill SA
- Plomin R
Publication Date: 2013-08-01
Type: Journal Article
Personality Dimensions as Common and Broadband-Specific Features for Internalizing and Externalizing Disorders
Publication Date: 2013-08-01
Type: Journal Article
BEHAVIORAL DISINHIBITION: SEQUENCING CHRN GENES IN A SELECTED SAMPLE TO IDENTIFY NOVEL VARIANTS
Ehringer MA; Kamens HM; Corley RP; Simonson M; Poole A; Richmond P; Stitzel JA; Dowell R; Krauter K; McQueen MB...
- Ehringer MA
- Kamens HM
- Corley RP
- Simonson M
- Poole A
- Richmond P
- Stitzel JA
- Dowell R
- Krauter K
- McQueen MB
Publication Date: 2013-06-01
Type: Journal Article
Genotype by Environment Interactions in Cognitive Ability: A Survey of 14 Studies from Four Countries Covering Four Age Groups
Molenaar D; van der Sluis S; Boomsma DI; Haworth CMA; Hewitt JK; Martin NG; Plomin R; Wright MJ; Dolan CV...
- Molenaar D
- van der Sluis S
- Boomsma DI
- Haworth CMA
- Hewitt JK
- Martin NG
- Plomin R
- Wright MJ
- Dolan CV
Publication Date: 2013-05-01
Type: Journal Article
Nominal association with CHRNA4 variants and nicotine dependence
Kamens HM; Corley RP; McQueen MB; Stallings MC; Hopfer CJ; Crowley TJ; Brown SA; Hewitt JK; Ehringer MA...
- Kamens HM
- Corley RP
- McQueen MB
- Stallings MC
- Hopfer CJ
- Crowley TJ
- Brown SA
- Hewitt JK
- Ehringer MA
Publication Date: 2013-04-01
Type: Journal Article
The Genetic Correlation between Height and IQ: Shared Genes or Assortative Mating?
Publication Date: 2013-04-01
Type: Journal Article
Early concern and disregard for others as predictors of antisocial behavior
Rhee SH; Friedman NP; Boeldt DL; Corley RP; Hewitt JK; Knafo A; Lahey BB; Robinson J; Van Hulle CA; Waldman ID...
- Rhee SH
- Friedman NP
- Boeldt DL
- Corley RP
- Hewitt JK
- Knafo A
- Lahey BB
- Robinson J
- Van Hulle CA
- Waldman ID
Publication Date: 2013-02-01
Type: Journal Article
The Role of Language in Concern and Disregard for Others in the First Years of Life
Rhee SH; Boeldt DL; Friedman NP; Corley RP; Hewitt JK; Young SE; Knafo A; Robinson J; Waldman ID; Van Hulle CA...
- Rhee SH
- Boeldt DL
- Friedman NP
- Corley RP
- Hewitt JK
- Young SE
- Knafo A
- Robinson J
- Waldman ID
- Van Hulle CA
Publication Date: 2013-02-01
Type: Journal Article
Association between Depressive Symptoms and Negative Dependent Life Events from Late Childhood to Adolescence
Publication Date: 2012-11-01
Type: Journal Article
The Magnitude of Genetic and Environmental Influences on Parental and Observational Measures of Behavioral Inhibition and Shyness in Toddlerhood
Publication Date: 2012-09-01
Type: Journal Article
Increased Genetic Vulnerability to Smoking at CHRNA5 in Early-Onset Smokers
Hartz SM; Short SE; Saccone NL; Culverhouse R; Chen L; Schwantes-An T-H; Coon H; Han Y; Stephens SH; Sun J...
- Hartz SM
- Short SE
- Saccone NL
- Culverhouse R
- Chen L
- Schwantes-An T-H
- Coon H
- Han Y
- Stephens SH
- Sun J
Publication Date: 2012-08-01
Type: Journal Article
The CHRNA5/A3/B4 Gene Cluster and Tobacco, Alcohol, Cannabis, Inhalants and Other Substance Use Initiation: Replication and New Findings Using Mixture Analyses
Publication Date: 2012-07-01
Type: Journal Article
Genetic etiology of the common liability to drug dependence: Evidence of common and specific mechanisms for DSM-IV dependence symptoms
Publication Date: 2012-06-01
Type: Journal Article
Subjective effects for alcohol, tobacco, and marijuana association with cross-drug outcomes
Zeiger JS; Haberstick BC; Corley RP; Ehringer MA; Crowley TJ; Hewitt JK; Hopfer CJ; Stallings MC; Young SE; Rhee SH...
- Zeiger JS
- Haberstick BC
- Corley RP
- Ehringer MA
- Crowley TJ
- Hewitt JK
- Hopfer CJ
- Stallings MC
- Young SE
- Rhee SH
Publication Date: 2012-06-01
Type: Journal Article
VARIATION IN GRM7 IS ASSOCIATED WITH ALCOHOL CONSUMPTION IN A FAMILY BASED ANALYSIS
Melroy WE; Vadasz C; McQueen MB; Corley RP; Stallings MC; Crowley TJ; Hopfer CJ; Krauter KS; Hewitt JK; Ehringer MA...
- Melroy WE
- Vadasz C
- McQueen MB
- Corley RP
- Stallings MC
- Crowley TJ
- Hopfer CJ
- Krauter KS
- Hewitt JK
- Ehringer MA
Publication Date: 2012-06-01
Type: Journal Article
Examining associations between disordered eating and serotonin transporter gene polymorphisms
Munn-Chernoff MA; McQueen MB; Stetler GL; Haberstick BC; Rhee SH; Sobik LE; Corley RP; Smolen A; Hewitt JK; Stallings MC...
- Munn-Chernoff MA
- McQueen MB
- Stetler GL
- Haberstick BC
- Rhee SH
- Sobik LE
- Corley RP
- Smolen A
- Hewitt JK
- Stallings MC
Publication Date: 2012-05-01
Type: Journal Article
Test of association between 10 single nucleotide polymorphisms in the oxytocin receptor gene and conduct disorder
Publication Date: 2012-04-01
Type: Journal Article
Phenotypic and Genetic Analyses of the Wisconsin Card Sort
Publication Date: 2012-03-01
Type: Journal Article
The etiology of observed negative emotionality from 14 to 24 months.
Publication Date: 2012-01-01
Type: Journal Article
Editorial Policy on Candidate Gene Association and Candidate Gene-by-Environment Interaction Studies of Complex Traits
Publication Date: 2012-01-01
Type: Journal Article
The Association Between Positive Parenting and Externalizing Behaviour
Publication Date: 2012-01-01
Type: Journal Article
Pages
Recruiting
Dr. Hewitt is not currently recruiting graduate students or postdocs.