NADAM 2017
Research Grants - 2016


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Research Grants 2016


To view an abstract, select an author from the vertical list on the left.

2016 Grants - Callahan

Cognition in Mild Cognitive Impairment and Adult Attention-Deficit Disorder

Brandy L. Callahan, Ph.D.
Sunnybrook Health Sciences Centre
Toronto, Ontario

2016 Alzheimer’s Association Clinical Fellowship (AACF)

Can a new comprehensive set of tests distinguish cognitive changes associated with adult attention deficit disorder (ADD) from those associated with mild cognitive impairment (MCI)?

Background
People with attention deficit disorder (ADD) typically have problems with executive functions — a group of mental processes that include controlling attention and regulating impulsive behavior. As they age, individuals with ADD may be diagnosed as having early dementia or mild cognitive impairment (MCI), a condition that can precede Alzheimer’s disease. It is unclear if ADD is associated with increased risk for developing dementia, or whether it is being misdiagnosed as MCI due to the overlap in cognitive symptoms between both conditions.

Research Plan
Brandy L. Callahan, Ph.D., and colleagues will conduct a study to examine and clarify the distinctions between cognitive changes associated with ADD and MCI in older adults. The researchers will recruit three groups of participants aged 55-85 years old: 65 individuals with ADD, 65 people with MCI and 65 with normal cognition. They will then compare how each group performs on a comprehensive set of tests to measure executive function, memory and language skills. The researchers will track how these cognitive abilities may change over the course of three years to identify a “cluster” of brain function changes that defines adult ADD and another that defines MCI.

Impact
If successful, the results of this study could identify novel diagnostic tools that can more effectively distinguish ADD from MCI. These findings could also help clarify if ADD is a risk factor for Alzheimer’s disease. A better understanding of the cognitive changes associated with ADD and MCI in older adults is critical to improving the accuracy of diagnoses and ensuring individuals are receiving proper clinical management and therapies.


Alzheimer's Association International Conference | July 16-20, 2017, London, England

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