Workgroups and Taskforces

The ABCD Consortium has established workgroups to guide the development, refinement, and dissemination of the study design, protocols, informatics and software to facilitate the implementation of the study. Comprised of ABCD investigators and collaborators with domain expertise, each workgroup meets regularly to assess and address the relevant needs of the consortium in light of scientific or technological advancements. ABCD task forces are formed to focus on and address emerging problems and issues with an impact on the ABCD Study. These task forces are generally time-limited.

Click on group name to view a description and roster.

Reviews the current state-of-the-science to recommend appropriate non-imaging measures for inclusion in the protocol considering developmental appropriateness, psychometrics, anticipated stability and change over the study period, harmonization with the larger research literature, articulation with the entire measurement battery, and subject burden. When indicated, the assessment groups make recommendations for modifications to the assessments that might be indicated by new scientific findings, improved technologies, or demonstrated limitations of existing protocols (e.g., decreasing sensitivity to maturing cohort).


Mental Health

Focuses on identifying a core set of measures to obtain information from parents and children on mental health relevant experiences, behaviors, and attitudes, and environmental exposures important for mental health.

Workgroup Chairs:
Barch, Deanna (Co-Chair) – Washington University in St. Louis; Email: dbarch@wustl.edu
Baskin-Sommers, Arielle (Co-Chair) – Yale University; Email: arielle.baskin-sommers@yale.edu

Full Members:
Anokhin, Andrey – Washington University School of Medicine in St. Louis
Aupperle, Robin – Laureate Institute for Brain Research
Brown, Sandra – University of California, San Diego (CC)
Clark, Duncan – University of Pittsburgh
Foxe, John – University of Rochester
Gee, Dylan – Yale University
Hagan, Kelsey – Virginia Commonwealth University
Karcher, Nicole – Washington University in St. Louis
Larson, Christine – University of Wisconsin-Milwaukee
LeBlanc, Kimberly – National Institute on Drug Abuse
McCurry, Katie – University of Michigan
McGlade, Erin – University of Utah
Nagel, Bonnie – Oregon Health & Science University
Neigh, Gretchen – Virginia Commonwealth University
Potter, Alexandra – University of Vermont
Sawyers, Chelsea – Virginia Commonwealth University
Spotts, Erica – Office of Behavioral and Social Sciences Research, NIH
Talkovsky, Alex – National Institute of Health
Tapert, Susan – University of California San Diego
West, Amy – Children’s Hospital Los Angeles
Zehr, Julia – National Institute of Mental Health

Consultant Member:
Heeringa, Steve – University of Michigan

Post-Doctoral Fellow Member:
Esparza, Kayleigh – Laureate Institute of Brain Research
Kemp, Emily – University of California San Diego
Kliamovich, Dakota – Oregon Health & Science University
Patel, Herry – University of California, San Diego

Trainee Members:
Chermont Spina, Camille – University of Florida
Dupree, Calvin – Yale University
Garcia, Kimberly – University of California San Diego (CC)
Giarrusso, Hannah – SRI International
Hong, Jana – University of California San Diego (CC)
Ibe, Oluchi – Children’s Hospital, Los Angeles
McCurry, Katie – University of Michigan
Moorman, Brooke – Virginia Commonwealth University
Pfister, Kiara – University of Florida
Purcell, Allison – University of Rochester
Quintero, Samara – Virginia Commonwealth University
Tay, Jolene – Laureate Institute for Brain Research


Physical Health

Focuses on identifying a core set of measures to obtain information from parents and children on physical health relevant attributes and behaviors, and environmental exposures important for physical health.

Workgroup Chairs:
Yurgelun-Todd, Deborah (Co-Chair) – The University of Utah; Email: Deborah.Yurgelun-Todd@hsc.utah.edu
Rhee, Kay (Co-Chair) – University of California San Diego: k1rhee@health.ucsd.edu

Full Members:
Adise, Shana – Children’s Hospital Los Angeles
Baker, Fiona – SRI International
Brown, Sandra – University of California, San Diego (CC)
Chang, Linda – University of Maryland at Baltimore
Clark, Duncan – University of Pittsburgh
Hoffman, Elizabeth – National Institute on Drug Abuse / National Institutes of Health
Huber, Rebekah – Oregon Health & Science University
Jernigan, Terry – University of California San Diego
LeBlanc, Kimberly – National Institute on Drug Abuse
Lisdahl, Krista – University of Wisconsin-Milwaukee
Marshall, Andrew – Children’s Hospital, Los Angeles
Pool, Lindsay – National Heart, Lung, and Blood Institute (NHLBI)
Potter, Alexandra – University of Vermont
Sowell, Elizabeth – Children’s Hospital Los Angeles/University of Southern California
Suarez, Nick – Centers for Disease Control and Prevention
Tapert, Susan – University of California San Diego

Consultant Member:
Ivanova, Masha – University of Vermont

Post-Doctoral Fellow Members:
Esparza, Kayleigh – Laureate Institute of Brain Research
Ma, Jiyoung – The University of Utah
Patterson, Megan – University of Colorado Boulder

Trainee Members:
Buchbinder, Natalie – University of California San Diego (CC)
Cox, Leigh – Laureate Institute for Brain Research
Dube, Sarahjane – University of Vermont
Faria, Caylin – University of Wisconsin-Milwaukee
Garcia, Kimberly – University of California San Diego (CC)
Hong, Jana – University of California San Diego (CC)
Prazak, Katie – University of Colorado Boulder
Shampine, MacKenna – University of Wisconsin-Milwaukee
Spencer, Katherine – University of Florida


NeuroCognition

Neurocognitive measures collectively assess participants’ levels of crystallized and fluid reasoning, reading ability, working memory, behavioral inhibition, verbal learning and memory, sequencing skills, processing speed, attention, and visuospatial reasoning. Measures were selected to maximize data quality across the ten year longitudinal assessment, and to be sensitive to small changes in cognitive efficiency as children move from adolescence into adulthood.

Workgroup Chairs:
Luciana, Monica (Co-Chair) – University of Minnesota; Email: lucia003@umn.edu
Bjork, Jim (Co-Chair) – Virginia Commonwealth University; Email: jmbjork@vcu.edu

Full Members:
Alkire, Diana – National Institute on Drug Abuse
Anokhin, Andrey – Washington University in St. Louis
Banich, Marie – University of Colorado Boulder
Barch, Deanna – Washington University in St. Louis
Friedman, Naomi – University of Colorado, Boulder
Gonzalez, Raul – Florida International University
McGlade, Erin – The University of Utah
Nixon, Sara Jo – University of Florida
Schloesser, Dana – Office of Behavioral and Social Sciences Research / National Institutes of Health
Tapert, Susan – University of California San Diego
Wade, Tasha – University of California, San Diego

Non-Member Consultants:
Lisdahl, Krista – University of Wisconsin-Milwaukee
McCandliss, Bruce – Stanford University

Trainee Members:
Garcia, Kimberly – University of California San Diego (CC)
Hong, Jana – University of California San Diego (CC)
Hood Nelum, Tierel – University of Wisconsin-Milwaukee
Le, Minh – Laureate Institute for Brain Research
Perez-Amparan, Evelyn – SRI International
Schroeder, Aaron – University of Minnesota


Substance Use

Focuses on assessment of lifetime and recent quantity/frequency and patterns of use of all major drug categories (alcohol, nicotine, marijuana, caffeine, stimulants, ecstasy, depressants/sedatives, opiates, hallucinogens, steroids, and inhalants). Important predictors of substance use are also captured, including peer use, perceived harm of use, disapproval of use, availability of substances and intention to use. Measures were selected to be developmentally-appropriate and gated to: 1) avoid exposing non- or low-using youth to substance use questions; and 2) assess motives, expectancies, symptoms, craving and withdrawal in youth reporting use.

Workgroup Chairs:
Heitzeg, Mary (Co-Chair) – University of Michigan; Email: mheitzeg@med.umich.edu
Lisdahl, Krista (Co-Chair) – Lisdahl, Krista – University of Wisconsin-Milwaukee; Email: medinak@uwm.edu
Wallace, Alex  (Vice Chair) – University of California San Diego; Email: alwallace@ucsd.edu

Full Members:
Brown, Sandra – University of California, San Diego (CC)
Ciccolo, Joe – National Cancer Institutes
Cloak, Christine – University of Maryland, Baltimore
Gonzalez, Raul – Florida International University
Hawes, Sam – Florida International University
LeBlanc, Kimberly – National Institute on Drug Abuse
Lopez, Marsha – National Institute on Drug Abuse
Madden, Pam – Washington University in St. Louis
Martz, Meghan – University of Michigan
Tapert, Susan – University of California San Diego
Wade, Tasha – University of California San Diego

Trainee Members:
Agbeh, Samuel – Medical University of South Carolina
Corby, Nicole – Florida International University
Garcia, Kimberly – University of California San Diego (CC)
Hong, Jana – University of California San Diego (CC)
Lehrmann, Camille – University of Michigan
Ruheta, Iana – Laureate Institute for Brain Research


Friends, Family, & Community

Selects measures of socio-cultural and environmental factors that may confer risk or protection to the development of health or mental health problems in youth. Whenever possible, measures are chosen to be brief, appropriate for administration throughout adolescence, and valid across cultures. The domains that are assessed span individual, family, school, and neighborhood factors and include prosocial behaviors, problem solving, independence/self-reliance, acculturation, biculturalism, parental monitoring, parental warmth, family conflict, familism, school environment, and neighborhood safety.

Workgroup Chair:
Gonzalez, Raul (Co-Chair) – Florida International University; Email: raul.gonzalezjr@fiu.edu
Robledo-Gonzalez, Marybel (Co-Chair) – The Ohio State University; Email: Marybel.Gonzalez@osumc.edu

Full Members:
Aguinaldo, Laika – University of California San Diego
Alkire, Diana – National Institute on Drug Abuse
Aupperle, Robin – Laureate Institute for Brain Research
Cardenas-Iniguez, Carlos – University of Southern California
Dagher, Rada – National Institutes of Health
Ip, Ka I – University of Minnesota
McCandiss, Bruce D – Stanford University
Mason, Michael – University of Tennessee
Parasuraman, Sarika – National Institutes of Health
Pelham, Will – University of California San Diego
Sanchez, Mariana – Florida International University
Tapert, Susan – University of California San Diego
Thompson, Erin – Florida International University
Trucco, Elisa – Florida International University
White, Evan – Laureate Institute for Brain Research

Non-Member Consultant:
Schachner, Jared – University of Southern California

Post-Doctoral Fellow Members:
Priyanka, Kazi – The Ohio State University

Trainee Members:
Camacho, Lucy – Laureate Institute for Brain Research
Fernandez, Alejandra – University of Texas, Southwestern Medical Center
Garcia, Kimberly – University of California San Diego (CC)
Hong, Jana – University of California San Diego (CC)
Iyob, Nardos – University of California, San Diego
Tepp, Brynn – University of Minnesota
Zimmerman, Catherine – Virginia Commonwealth University

Workgroup Chair:
Clark, Duncan (Chair) – University of Pittsburgh; Email: clarkdb@upmc.edu

Full Members:
Bloss, Cinnamon – University of California San Diego
Bookheimer, Susan – University of California Los Angeles
Brown, Sandra – University of California San Diego
Evans, John – University of California San Diego
Gray, Kevin – Medical University of South Carolina
Heyser, Charles – University of California San Diego
Hicks, Brian – University of Michigan
Murray, Traci – National Institute on Drug Abuse

Ensures the biostatistical approaches used to address the study aims are optimal for, and take full advantage of, all aspects of the study design.

Workgroup Chair:
Thompson, Wes (Chair) – University of California San Diego; Email: wes.stat@gmail.com

Full Members:
Aguinaldo, Laika – University of California San Diego
Dick, Anthony – Florida International University
Fan, Chun Chieh – Laureate Institute for Brain Research
Garavan, Hugh – University of Vermont
Hawes, Samuel – Florida International University
Heeringa, Steve – University of Michigan
Hoffman, Elizabeth – National Institute on Drug Abuse / National Institutes of Health
Neale, Michael – Virginia Commonwealth University
Paulus, Martin – Laureate Institute for Brain Research
Sher, Kenneth – University of Missouri

Non-Member Consultant:
Nichols, Tom – University of Warwick, UK

Trainee Members:
Lopez, Daniel – Oregon Health & Science University

Develops and implements a strategy to engage ABCD stakeholders, promote awareness about the study and its benefits, and encourage participation in the study by developing outreach materials (e.g., website, brochures, cards, videos), identifying opportunities to amplify our message to further raise awareness, and working with the Coordinating Center to monitor site outreach to identify gaps and propose solutions when needed. The group also coordinates the dissemination of study findings to stakeholders and constituents as they are available.

Workgroup Chairs:
Casey, BJ (Co-Chair) – Yale University; Email: bcasey@barnard.edu
Hoffman, Elizabeth (Co-Chair) – National Institute on Drug Abuse / National Institutes of Health; Email: elizabeth.hoffman@nih.gov
Howlett, Katia (Co-Chair) – National Institute on Drug Abuse / National Institutes of Health; Email: katia.delrahim-howlett@nih.gov

Full Members:
Alkire, Diana – National Institutes of Health
Bagot, Kara – University of California Los Angeles
Banich, Marie – University of Colorado Boulder
Brown, Sandra – University of California San Diego
Cisneros, Cynthia – Children’s Hospital Los Angeles
Garavan, Hugh – University of Vermont
Heitzeg, Mary – University of Michigan|
Iyob, Nardos – University of California San Diego
Larson, Christine – University of Wisconsin Milwaukee
Madden, Pamela – Washington University in St. Louis
Murray, Traci M. – National Institute on Drug Abuse / National Institutes of Health
Sowell, Elizabeth – Children’s Hospital Los Angeles / University of Southern California
Squeglia, Lindsay – Medical University of South Carolina
Straub, Lisa – Virginia Commonwealth University
Tapert, Susan – University of California San Diego
Uddin, Lucina – University of California Los Angeles
Weistrop, Rachel – University of California San Diego

Trainee Member:
Aguilar, Jose – University of California, San Diego
Dziubinski, Maria – University of Michigan
Fan, Ruby – SRI International
Garcia, Kimberly – University of California San Diego (CC)
Hong, Jana – University of California San Diego (CC)
Makled, Zeinab – University of Michigan
Navarro-Love, Gabriella – University of Wisconsin Milwaukee

Workgroup Chair:
Brown, Sandra (Co-Chair) – University of California San Diego; Email: sandrabrown@ucsd.edu
Hoffman, Elizabeth (Co-Chair) – National Institute on Drug Abuse / National Institutes of Health; Email: elizabeth.hoffman@nih.gov

Full Members:
Bagot, Kara – University of California, Los Angeles
Buchbinder, Natalie – University of California, San Diego (CC)
Diaz, Angela – University of California San Diego
Foxe, John – University of Rochester
Gattas, Jeffery – University of California San Diego
Nixon, Sara Jo – University of Florida

Workgroup Chair:
Fan, Chun Chieh – Laureate Institute for Brain Research; Email: chunchiehfan@gmail.com
Madden, Pamela – Washington University in St. Louis; Email: pmadden@wustl.edu

Full Members:
Arpana, Agrawal – Washington University in St. Louis
Brown, Sandra – University of California San Diego
Dale, Anders – University of California San Diego
Dowling, Gaya – National Institute on Drug Abuse / National Institutes of Health
Friedman, Naomi – University of Colorado Boulder
Garavan, Hugh – University of Vermont
Gitik, Miri – National Institute on Alcohol Abuse and Alcoholism (NIAAA)
Hernandez, Leanna – UCLA
Heyser, Charles – University of California San Diego
Jernigan, Terry – University of California San Diego
LeBlanc, Kimberly – National Institute on Drug Abuse
Little, Roger – National Institute on Drug Abuse
Maes, Hermine – Virginia Commonwealth University
Neale, Michael – Virginia Commonwealth University
Thompson, Wes – University of California San Diego
Vrieze, Scott – University of Minnesota
Zhang, Le – University of California San Diego (DAIRC)

Consultant Member:
Rhee, Kay – University of California, San Diego (CC)

Post-Doctoral Fellow Member and Biostatistician:
Loughnan, Robert – University of California San Diego (DAIRC)

Trainee Member:
Kehl, Adam – Data Analysis, Informatics & Resource Center (DAIRC)

Three subgroups oversee the implementation of analysis workflows for structural, diffusion, and functional imaging measures, including cortical and subcortical segmentation, diffusion MRI tractography, and task-related and resting state fMRI.

Structural and Diffusion Imaging Group

Workgroup Chairs:
Hagler, Don (Co-Chair) – University of California San Diego; Email: dhagler@health.ucsd.edu
Dick, Anthony (Co-Chair) – Florida International University; Email: adick@fiu.edu

Full Members:
Irfanoglu, Okan – National Institutes of Health
Pierpaoli, Carlo – National Institutes of Health
Watts, Richard

Post-Doctoral Fellow Members:
Pecheva, Diliana – University of California San Diego (DAIRC)

National Institutes of Health:
Hoffman, Elizabeth – National Institute on Drug Abuse / National Institutes of Health

Consultants:
Dale, Anders – University of California San Diego (DAIRC)
Jernigan, Terry – University of California, San Diego
Makowski, Carolina – University of California San Diego (DAIRC)
Muller-Oehring, Eva – SRI International
Uddin, Lucina – University of California, Los Angeles


Task fMRI Imaging Group

Workgroup Chairs:
Garavan, Hugh (Co-Chair) – University of Vermont; Email: Hugh.Garavan@uvm.edu
Hagler, Don (Co-Chair) – University of California San Diego; Email: dhagler@health.ucsd.edu

Full Members:
Banich, Marie – University of Colorado, Boulder
Bjork, James – Virginia Commonwealth University
Casey, BJ – Barnard College
Chaarani, Bader – University of Vermont
Dick, Anthony – Florida International University
Dumas, Julie – University of Vermont
Harms, Michael – Washington University in St. Louis
Muller-Oehring, Eva – SRI International
Sripada, Chandra – University of Michigan

National Institutes of Health:
Hoffman, Elizabeth – National Institute on Drug Abuse / National Institutes of Health
Pariyadath, Vani – National Institutes of Health

Consultants:
Dale, Anders – University of California San Diego (DAIRC)
Angstadt, Mike – University of Michigan


Resting-State fMRI Imaging Group

Workgroup Chairs:
Hagler, Don (Co-Chair) – University of California San Diego; Email: dhagler@health.ucsd.edu
Uddin, Lucina (Co-Chair) – University of California, Los Angeles; Email: lucina@ucla.edu

Full Members:
Barch, Deanna – Washington University in St. Louis
Casey, BJ – Barnard College
Fair, Damien – University of Minnesota
Feczko, Eric – University of Minnesota
Harms, Michael – Washington University in St. Louis
Luna, Beatriz – University of Pittsburgh Medical Center
Misaki, Masaya – Laureate Institute for Brain Research
Sripada, Chandra – University of Michigan

Postdoctoral Fellow Members:
Hermosillo, Robert – University of Minnesota

National Institutes of Health:
Dowling, Gaya – National Institute on Drug Abuse / National Institutes of Health
Pariyadath, Vani – National Institutes of Health

Consultants:
Dale, Anders – University of California San Diego (DAIRC)
Rosenberg, Monica – University of Chicago

Environment & Policy
Workgroup Chairs:
Co-Chair: Herting, Megan – USC-CHLA, herting@usc.edu
Co-Chair: Cardenas-Iniguez, Carlos – USC-CHLA, carlosc2@usc.edu
Full Members:
Abad, Shermaine – University of California San Diego
Brown, Sandra – University of California San Diego
Dowling, Gaya – National Institute on Drug Abuse / National Institutes of Health
Ip, Ka I – University of Minnesota
Iyob, Nardos – University of California San Diego (CC)
Marshall, Andrew – Children’s Hospital Los Angeles
Robledo-Gonzalez, Marybel – The Ohio State University
Sowell, Elizabeth – Children’s Hospital Los Angeles
Tapert, Susan – University of California San Diego
Thompson, Erin – Florida International University
Non-Member Consultants:
Pacula, Rosalie – University of Southern California
Rueben, Aaron – University of Virginia
Post-Doctoral Fellow Members:
Smolker, Harry – University of Colorado Boulder
Trainee Members:
Floyd, Elliot – Clemson University
Hernandez Flores, Michell – University of Florida

Electronic Health Records
Full Members:
Abad, Shermaine – University of California, San Diego
Aguinaldo, Laika – University of California, San Diego
Bagot, Kara – UCLA
Benjamin, David – University of California, San Diego
Brown, Sandra – University of California San Diego
Buchbinder, Natalie – University of California, San Diego
Dale, Anders – University of California San Diego (DAIRC)
Dowling, Gaya – National Institute on Drug Abuse / National Institutes of Health
Garcia, Kimberly – University of California San Diego (CC)
Hong, Jana – University of California San Diego (CC)
Jernigan, Terry – University of California, San Diego
Linkersdoerfer, Janosch – University of California, San Diego
Rhee, Kay – University of California San Diego
Tapert, Susan – University of California San Diego
Yang, Rongguang – Data Analysis Informatics Center

School Records
Workgroup Chairs:
Co-Chair: Hoffman, Elizabeth – NIDA/NIH, elizabeth.hoffman@nih.gov
Co-Chair: Thompson, Erin – Florida International University, erthomps@fiu.edu

Full Members:
Albro, Elizabeth – National Center for Education Research
Brown, Sandra – University of California San Diego
Dowling, Gaya – National Institute on Drug Abuse / National Institutes of Health
Heyser, Charles – University of California San Diego
Jernigan, Terry – University of California San Diego
McCandliss, Bruce – Stanford University
Robledo-Gonzalez, Marybel – The Ohio State University
Sawi, Oliver – Stanford University
Tapert, Susan – University of California San Diego
Trainee Member:
Roy, Ethan – Stanford University

Focuses on methods to collect key information with minimal burden to participants, often using technology. One project will use wearable sensors (e.g., Fitbits) to measure activity, sleep, and other health indicators in youth. Social media use, including mobile applications for data collection, may also be explored in the future.

Workgroup Chairs:
Baker, Fiona (Co-Chair) – SRI International; Email: Fiona.baker@sri.com
Fuemmeler, Bernard (Co-Chair) – Virginia Commonwealth University; Email: bernard.fuemmeler@vcuhealth.org

Full Members:
Allen, Nicholas – University of Oregon
Bagot, Kara – Icahn School of Medicine at Mount Sinai
Brown, Sandra – University of California San Diego
Cummins, Kevin – California State University, Fullerton
Curtis, Brenda – National Institute on Drug Abuse / National Institutes of Health
Howlett, Katia – National Institute on Drug Abuse / National Institutes of Health
Hunt, Ethan – UTHealth Houston School of Public Health – Austin Location
Mason, Michael – University of Tennessee Knoxville
Neale, Michael – Virginia Commonwealth University
Powell, Elizabeth – National Institute on Alcohol Abuse and Alcoholism / National Institutes of Health
Reichel, Carmela – National Institutes of Health
Tapert, Susan – University of California San Diego
Wade, Natasha – University of California San Diego

Post-Doctoral Fellow Members:
Lopez, Daniel – Oregon Health & Science University

Trainee Members:
Alexander, Jordan – University of Minnesota
Garcia, Kimberly – University of California San Diego (CC)
Hong, Jana – University of California San Diego (CC)
Mills, Sawyer – Virginia Commonwealth University
Sumpter, Kelsey – University of Maryland, Baltimore

Provides professional development training, facilitates mentoring, and strengthens communication to enhance the professional development of all members of the ABCD consortium.

Workgroup Chairs:
Makowski, Carolina (Co-Chair) – University of California San Diego; Email: cmakowski@ucsd.edu
Wade, Natasha (Co-Chair) ) – University of California San Diego; Email: nwade@health.ucsd.edu

Full Members:
Adise, Shana – Children’s Hospital of Los Angeles
Brown, Sandra – University of California San Diego
Cline, Kirsten – University of Utah
Garavan, Hugh – University of Vermont
Herring, Cori – Medical University of South Carolina
Huber, Rebekah – Oregon Health & Science University
Jacobus, Joanna – University of California San Diego
Keith, Jennifer – University of Colorado
Laird, Angela – Florida International University
Manchanda, James – University of California, San Diego (CC)
Murray, Traci – National Institute on Drug Abuse / National Institutes of Health
Silmi, Priyanka – Ohio State University
Smith, Ashley – National Institutes of Health / National Institute of Mental Health
Smith, Calen – University of California San Diego
Subramaniam, Punitha – University of Utah
Thompson, Erin – Florida International University
Uddin, Lucina – University of California, Los Angeles

Trainee Member:
Burchell, Lily – University of Michigan
Encizo, Jennell – University of Wisconsin, Milwaukee
Schott, Stephanie – University of Florida
Vens, Joshua – University of Michigan

Ensures that all aspects of participant retention are monitored, consistent with the sampling methods and design, including suggesting new metrics and strategies to inform targeted interventions to improve retention.

Workgroup Chairs:
Dowling, Gaya (Co-Chair) – National Institute on Drug Abuse / National Institutes of Health; Email: dowlingg@nida.nih.gov
Garavan, Hugh (Co-Chair) – University of Vermont; Email: Hugh.Garavan@uvm.edu

Full Members:
Aguinaldo, Laika – University of California, San Diego
Alkire, Diana – National Institutes of Health
Anokhin, Andrey – Washington University in St. Louis
Bjork, Jim – Virginia Commonwealth University
Brown, Sandra – University of California San Diego
Cisneros, Cynthia – Children’s Hospital Los Angeles
Cottler, Linda – University of Florida
Marshall, Andrew – Children’s Hospital, Los Angeles
Martz, Meghan – University of Michigan
Murray, Traci M. – National Institute on Drug Abuse / National Institutes of Health
Robledo-Gonzalez, Marybel – The Ohio State University
Tapert, Susan – University of California San Diego
Uddin, Lucina – University of California, Los Angeles (Full Member)
Wilson, Sylia – University of Minnesota

Trainee Members:
Anderson, Naomi – University of Florida
Castro, Norma – University of California San Diego
Dziubinski, Maria – University of Michigan
Garcia, Kimberly – University of California, San Diego (CC)
Hong, Jana – University of California San Diego (CC)

Retention Data Analysis Subgroup

The purpose of this subgroup is to take a data-driven approach to understanding factors associated with study retention, e.g. predictors of missed visits, and to identify participants most likely to withdraw (either formally or by continually missing visits, i.e. “soft withdrawal”). Analyses undertaken by the Data Core will inform (and be informed by) the other Retention subgroups, who will ultimately provide guidance to the consortium on retention strategies and best practices.

Workgroup Chair:
Martz, Meghan – University of Michigan

Full Members:
Aguinaldo, Laika – University of California, San Diego
Alkire, Diana – National Institute on Drug Abuse
Anokhin, Andrey – Washington University in St. Louis
Brown, Sandra – University of California, San Diego
Robledo Gonzalez, Marybel – Ohio State University

Post-Doctoral Fellow Members:
Lopez, Daniel – Oregon Health & Science University
Silva Castro De Araujo, Luis Fernando – Virginia Commonwealth University
Waddell, Jack – University of California San Diego

Trainee Members:
Makale, Miles – Ohio State University

Reviews any proposal by a workgroup or oversight group to return results obtained in the study to participants.  Proposals are evaluated for consistency with current policies and risks or burden associated with the methods.

Workgroup Chairs:
Brown, Sandra (Co-Chair) – University of California San Diego; Email: sandrabrown@ucsd.edu
Garavan, Hugh (Co-Chair) – University of Vermont; Email: Hugh.Garavan@uvm.edu

Full Members:
Benjamin, David – University of California, San Diego
Dale, Anders – University of California, San Diego
Dowling, Gaya – National Institute on Drug Abuse / National Institutes of Health
Gray, Kevin – Medical University of South Carolina
Heitzeg, Mary – University of Michigan
Magit, Anthony – University of California, San Diego
Nixon, Sara Jo – University of Florida
Rhee, Kay – University of California, San Diego
Tapert, Susan – University of California, San Diego
Uddin, Lucina – University of California, Los Angeles

Representatives From:
Observational Safety Monitoring Board (OSMB)

Provides a forum for site clinicians to consult on policies for clinician involvement in ABCD and to share and discuss emergent clinical issues of relevance to the ABCD Study.

Workgroup Chair:
Brown, Sandra (Chair) – University of California San Diego; Email: sandrabrown@ucsd.edu

Membership/Attendance includes all site PIs and designated clinicians.

Reviews and edits Spanish Language communication and assessment material to ensure that it is clear, accessible, and engaging to the Spanish Language communities from which our Spanish speaking families were recruited.

Workgroup Chair:
Gonzalez, Raul (Chair) – Florida International University; Email: raul.gonzalezjr@fiu.edu

Full Members:
Alfonso, Veronica – Florida International
Cisneros, Cynthia – Children’s Hospital Los Angeles
Rodriguez Rivera, Pedro – University of Maryland at Baltimore
Sanchez, Mariana – Florida International University
Waisser, Andy – Florida International University

Reviews proposals that would create new data elements not currently generated in association with approved core ABCD protocols or previously approved study enhancements or substudies.  Proposals are assessed for value added to the study, participant and staff burden, feasibility, costs, and other considerations.

Workgroup Chair:
Garavan, Hugh (Chair) – University of Vermont; Email: Hugh.Garavan@uvm.edu

Full Members:
Dowling, Gaya – National Institute on Drug Abuse / National Institutes of Health
Haist, Frank – University of California, San Diego

Representatives From:
ABCD Steering Committee
Bioethics and Medical Oversight (BMO)
Observational Safety Monitoring Board (OSMB)