Job Description:80%: Experiments to define neuropathology in mouse models of Alzheimer's disease (AD) and Traumatic Brain Injury (TBI). This work will involve generation of mouse cohorts, behavioral analysis, mouse brain collection, biochemical/molecular biological analysis of gene expression and quantitative neuropathological analysis.10%: Data analysis and figure preparation. Summarize the behavioral and neuropathological analysis, perform statistical analysis, and prepare figures for reports and manuscripts. 10%: Lab meeting. Attend weekly lab meetings and prepare presentations for the lab meetings.