Colby College | Directory

Liam O'Brien
Assistant Professor of Mathematics
Mathematics

Office: S G Mudd 401
Phone: 207-859-5838
Fax: 859-5846
Email: Liam.OBrien@colby.edu

Mailing Address:
5838 Mayflower Hill
Waterville, Maine 04901-8858

Education

B.Sc. Mathematics, Colorado School of Mines
B.Sc. Engineering Physics, Colorado School of Mines
Ph.D. Biostatistics, Harvard University

Areas of Expertise:

Statistics (Biostatistics)

Statistical methods for longitudinal data

Statistical applications in neuroimaging and epidemiology

Publications

Goldstein JM. Seidman LJ. O'Brien LM. Horton NJ. Kennedy DN. Makris N. Caviness VS Jr. Faraone SV. Tsuang MT. Impact of normal sexual dimorphisms on sex differences in structural brain abnormalities in schizophrenia assessed by magnetic resonance imaging. Archives of General Psychiatry. 59(2):154-64, 2002.

Herbert MR. Ziegler DA. Deutsch C. O�Brien LM. Lange N. Bakardiiev A. Hodgson J. Adrien KT. Steele S. Makris N. Kennedy D. Harris GJ. Caviness JS. Dissociation of Cerebral Cortex, Subcortical and Cerebral White Matter Volumes in Autistic Boys. Brain. 126(5):1182-1192, 2003.

O'Brien LM. Fitzmaurice GM. Analysis of longitudinal multiple source binary data using generalized estimating equations. Journal of the Royal Statistical Society (Series C). 53(1): 177-193, 2004.

Herbert MR. Ziegler DA. Deutsch C. O�Brien LM. Kennedy D. Brain asymmetries in Autism and Developmental Language Disorder: A nested whole-brain analysis. Brain. 128(1):213-226, 2005.

O'Brien LM. Fitzmaurice GM. Regression models for the analysis of longitudinal Gaussian data from multiple sources. Statistics in Medicine. 24(11):1725-1744, 2005.

Polacsek M. O�Brien LM. Lagasse W. Hammar N. Move & Improve: A statewide worksite wellness initiative in Maine. Preventing Chronic Disease.3(3):1-8, 2006

O'Brien LM. Ziegler DA. Deutsch CK. Kennedy DN. Goldstein JM. Seidman LJ. Hodge S. Makris N. Caviness V. Frazier JA. Herbert MR. Adjusting Whole Brain and Cranial Size in Volumetric Brain Studies: A Review of Common Adjustment Factors and Statistical Methods. Harvard Review of Psychiatry.14(3):141-151, 2006

O�Brien LM. Fitzmaurice GM. Horton NJ. Maximum likelihood estimation of marginal pairwise associations with multiple source predictors. Biometrical Journal.48(5):860-875, 2006

Goldstein JM. Seidman JL. Makris. N. Ahern T. O�Brien LM. Caviness VS. Kennedy DN. Faraone SV. Tsuang MT. Hypothalamic Abnormalities in Schizophrenia: Sex Effects & Genetic Vulnerability. Biological Psychiatry (in press).