My research is focused on understanding neural mechanisms of cognition, personality, and behavior changes that occur in neuropsychiatric disorders. Some specific goals are to describe the roles of frontal-subcortical brain circuitry in problem solving, memory, personality, and emotional behavior in dementias such as Huntington's, Parkinson's, and Alzheimer's diseases. Declines in working memory associated with HIV infection. Evidence using the California Verbal Learning Test.
Frontal behavior syndromes in cortical and subcortical dementia.
Frontal behavior syndromes in cortical and subcortical dementia. Relationship of neuropsychological and MRI measures to age of onset in schizophrenia. Acta Psychiatrica Scandinavica . Longitudinal, cognitive and motor changes among presymptomatic HD gene carriers. Archives of Neurology .