The economic impact of substance and schizophrenia amounts to hundreds of billions of dollars, not to mention the countless lives impacted both directly and indirectly. Schizophrenia (SZ) and substance use disorders (SUD) are both extremely complex, both with substantial genetic and environmental components and with some shared aspects. In addition, schizophrenia patients tend to have increased levels of substance use which further complicates our understanding of the diagnosis. Most studies of SZ and SUD which incorporate imag ing and genetic data still ignore most of the information provided by the data by only analyzing a small number of genetic factors or brain regions. To characterize the available information, we are in need of approaches that can deal with high-dimensional data exhibiting interactions at multiple levels, while providing interpretable solu- tions. In the previous funding period we developed methods for pairwise coupling of high-dimensional genetic and imaging data which provided a powerful way to analyze the full information in joint data sets. However this is just the tip of the iceberg because in order to understand the complex interchange of biological pathways, brain networks, and behavior we need approaches that can handle more than two types of data. In this pro- posal we will focus on three key areas. First-building on our previous successes-we will develop new meth- ods that can robustly capture complex relationships between multiple types of data (e.g. genetic codes ->methylation ->brain function ->behavior). Then, we will develop new approaches for the effective use of reliable prior information and provide a set of methods that optimally balance between prior information (model- based) and information readily available from the data (data-driven). And finally, we will combine the strengths of two domains of research, the tractability of data-driven decompositions such as independent component analysis (ICA) with the flexibility of multi-layered learning, to develop an approach we call deep independence networks. This will allow us to capture indirect, but important, relationships among modalities, while also taking advantage of the full data available. The methods we develop will provide a very desirable framework allowing investigators to infer relations in high dimensional data and will provide a much needed set of data analysis tools to the community. We will continue to focus on two important applications where integrating such data is especially important, schizophrenia and addiction, which also share some comorbidity. Focusing on two differ- ent disorders will help us to further generalize the algorithms developed and evaluate shared and distinct as- pects of these two disorders. By combining 1) the extensive data made available by our collaborators, 2) de- velopment of computational approaches for fusing high dimensional data, and 3) the conceptual models we have developed for schizophrenia and alcohol use disorder and results from ongoing studies, we are poised to fill an important gap in the field and produce new tools that have applicability to a wide variety of diseases.

Public Health Relevance

Schizophrenia (SZ) and substance use disorders (SUD) impact countless lives but we have struggled with understanding the complex neuronal and genetic changes associated with these inter-related disorders. We have access to large polymorphism arrays, epigenetic arrays, functional and structural imaging, electroen- cephalography, and behavioral measures, but current methods for analyzing genetic, imaging, and behavioral data are still in their infancy and in many cases researchers rely on simple correlations among a small subset of variables. Motivated by several key questions in schizophrenia and substance use, we will develop a family of methods which will fill an important gap and enable investigators to ask questions like 'which overlapping biological pathways (derived from genetic and epigenetic information) are linked to networks of brain function and structure that jointly predict the degree of substance use?'. The approaches we develop will be of general use and made easily accessible to the research community. 37

Agency
National Institute of Health (NIH)
Institute
National Institute of Biomedical Imaging and Bioengineering (NIBIB)
Type
Research Project (R01)
Project #
5R01EB005846-10
Application #
8738655
Study Section
Special Emphasis Panel (NOIT)
Program Officer
Pai, Vinay Manjunath
Project Start
2005-08-08
Project End
2017-08-31
Budget Start
2014-09-01
Budget End
2015-08-31
Support Year
10
Fiscal Year
2014
Total Cost
$628,276
Indirect Cost
$183,838
Name
The Mind Research Network
Department
Type
DUNS #
098640696
City
Albuquerque
State
NM
Country
United States
Zip Code
87106
Shan, Zuyao Y; Vinkhuyzen, Anna A E; Thompson, Paul M et al. (2016) Genes influence the amplitude and timing of brain hemodynamic responses. Neuroimage 124:663-71
van Erp, T G M; Hibar, D P; Rasmussen, J M et al. (2016) Subcortical brain volume abnormalities in 2028 individuals with schizophrenia and 2540 healthy controls via the ENIGMA consortium. Mol Psychiatry 21:547-53
Levin-Schwartz, Yuri; Song, Yang; Schreier, Peter J et al. (2016) Sample-poor estimation of order and common signal subspace with application to fusion of medical imaging data. Neuroimage 134:486-93
Calhoun, Vince D; Sui, Jing (2016) Multimodal fusion of brain imaging data: A key to finding the missing link(s) in complex mental illness. Biol Psychiatry Cogn Neurosci Neuroimaging 1:230-244
Landis, Drew; Courtney, William; Dieringer, Christopher et al. (2016) COINS Data Exchange: An open platform for compiling, curating, and disseminating neuroimaging data. Neuroimage 124:1084-8
Yeo, Ronald A; Ryman, Sephira G; van den Heuvel, Martijn P et al. (2016) Graph Metrics of Structural Brain Networks in Individuals with Schizophrenia and Healthy Controls: Group Differences, Relationships with Intelligence, and Genetics. J Int Neuropsychol Soc 22:240-9
Miller, Robyn L; Yaesoubi, Maziar; Turner, Jessica A et al. (2016) Higher Dimensional Meta-State Analysis Reveals Reduced Resting fMRI Connectivity Dynamism in Schizophrenia Patients. PLoS One 11:e0149849
Liu, Peng; Wang, Geliang; Liu, Yanfei et al. (2016) White matter microstructure alterations in primary dysmenorrhea assessed by diffusion tensor imaging. Sci Rep 6:25836
Gopal, Shruti; Miller, Robyn L; Michael, Andrew et al. (2016) Spatial Variance in Resting fMRI Networks of Schizophrenia Patients: An Independent Vector Analysis. Schizophr Bull 42:152-60
Chavarria-Siles, Ivan; White, Tonya; de Leeuw, Christiaan et al. (2016) Myelination-related genes are associated with decreased white matter integrity in schizophrenia. Eur J Hum Genet 24:381-6

Showing the most recent 10 out of 181 publications