Jennifer Whitwell, Ph.D.

Closed for Enrollment

• Amyloid-related Imaging Abnormalities (Microbleeds) in Atypical AD Rochester, Minn.

  The study is designed to assess the demographic, clinical and imaging associations with the presence of microbleeds in atypical Alzheimer's disease. The primary hypothesis is that cognitive and functional performance will be poorer in atypical Alzheimer's subjects with microbleeds compared to those without microbleeds.

• Longitudinal Multi-Modality Imaging In Progressive Apraxia Of Speech Rochester, Minn.

  The study is designed to determine the relationship between structural and functional changes in the brain on imaging and progression of speech and language, neurological and neuropsychological features in patients with neurodegenerative apraxia of speech (AOS).

• Longitudinal Multi-Modality Imaging In Progressive Apraxia Of Speech (Renewal) Rochester, Minn.

  The purpose of this study is to utilize neuroimaging to assess the neurobiological mechanisms underlying disease progression in progressive apraxia of speech.