David Roeltgen, M.D., Health Professional

Dr. David Roeltgen is a neurologist who wrote about Alzheimer’s for HealthCentral. He is an Associate Professor of Neurology at Cooper University Hospital, in Camden, New Jersey. He has experience in both private practice and academic neurology. He has continued or developed interests and done research on disorders of cognition, including Alzheimer’s, dementia, headache and Parkinson’s disease.

Amyloid and the Brain: Alzheimer's Disease and Stroke

One of the very confusing and commonly misunderstood features of Alzheimer’s disease is how we make the diagnosis. In previous blogs I have discussed this topic from what is typically called the top-down approach. The top-down approach is the typical ...
David Roeltgen, M.D.

Clearing Up Some Confusing Terms

What are amnesia, aphasia, anomia, alexia, agraphia, acalculia, (relatively commonly used terms) and agnosia, apraxia, anosagnosia, anosadiaphoria (relatively uncommonly used terms)? Wow, I have been doing behavioral neurology for over 25 years and I ...
David Roeltgen, M.D.

Brain Test Alphabet Soup

Pictures of the brain: what are they and what do they tell us? CT, CTA, MRI, MRA, fMRI, PET are an alphabet soup of brain tests that might be used in evaluation of a person suspected of possibly having Alzheimer’s disease. I would like to define and ...
David Roeltgen, M.D.

Is It Dementia or Depression?

One of the most common distinctions that physicians make in seeing patients with complaints of memory trouble is the distinction between dementia and depression. Before I continue, I would once again like to distinguish between the terms dementia and ...
David Roeltgen, M.D.