Adolescence is an important developmental period characterized by rapid changes in multiple domains, including maturation of the brain's prefrontal cortex, increases in planning and cognitive control, and also a large increase in rates of anxiety and depression. Deficits in control and planning have been identified as a risk factor for mental illness, including depression and anxiety. One aspect of control that is understudied but likely affects risk for depression and anxiety, is the ability to quickly and efficiently selec among competing options when planning or working towards a goal. Such selection can be difficult for anyone, but is especially so for individuals with elevated levels of anxiety or depression, leading to problems in planning and decision-making. To date, these issues have primarily been studied in adults. However, it is important to understand how these abilities develop during adolescence because that is the developmental time period in which many aspects of mental illness first appear. The proposed research builds upon an innovative and integrative model of how such selection abilities are accomplished. It examines this issue at multiple units of analysis, linking a) neurochemistry of the brain, to b) activation of specific brin regions, to c) behavioral performance on tasks requiring selection to d) self-report of the ability to select amongst alternatives in daily life. This proposal brings together a multi-disciplinary team of scientists that articulated and tested the original model in adults (cognitive and developmental neuroscientists, and a physicist with expertise in brain imaging) with a clinical scientist with expertise in development of anxiety and depression during adolescence. The project leverages a highly retained sample of youth and their caregivers who have been prospectively followed for 5 years with extensive evaluation of psychopathology, but have not previously undergone neuroimaging or evaluation of planning or control. The project will test 144 youth (72 middle and 72 older adolescents) and 72 adults both at an initial time point and then two years later. This project aims to determine the development of biobehavioral mechanisms for selection in adolescence and adulthood (Aim 1), associations between selection mechanisms and anxiety and depression (Aim 2), and how these selection mechanisms over time may predict changes in psychopathology and/or vice versa (Aim 3). The proposed research will make a significant, innovative impact by providing information about important processes that develop during adolescence, and their relationship to the onset of mental illness. The data provided by the project will help break new ground and advance the field's understanding of developmental changes in the interplay of control and planning with mental health during the critical adolescent period.

Public Health Relevance

The goal of this proposal is to understand the brain processes involved in cognitive control, how they develop during adolescence, and how they are may be associated with depression or anxiety. People with depression and anxiety often have problems with cognitive control (e.g., planning, making decisions), which can make it more difficult for them to function at school, work, or socially. Better understanding these problems and the brain mechanisms that underlie them is important for developing new treatment and prevention approaches.

Agency
National Institute of Health (NIH)
Institute
National Institute of Mental Health (NIMH)
Type
Research Project (R01)
Project #
5R01MH105501-02
Application #
9128064
Study Section
Cognition and Perception Study Section (CP)
Program Officer
Murphy, Eric Rousseau
Project Start
2015-08-17
Project End
2020-05-31
Budget Start
2016-06-01
Budget End
2017-05-31
Support Year
2
Fiscal Year
2016
Total Cost
Indirect Cost
Name
University of Colorado at Boulder
Department
Psychology
Type
Graduate Schools
DUNS #
007431505
City
Boulder
State
CO
Country
United States
Zip Code
80303
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