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Patricio Reyes M.D., F.A.N.N.
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Barrow Neurological Institute
St. Joseph's Hospital and Medical Center
"2 NEW THERAPIES FOR ALZHEIMER'S"
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"2 NEW THERAPIES FOR ALZHEIMER'S"
Patricio Reyes M.D., F.A.N.N.
Director, Traumatic Brain Injury, Alzheimer's Disease & Cognitive Disorders Clinics; Phoenix, AZ; Chief Medical Officer, Retired NFL Players Association

St. Joseph's Hospital and Medical Center



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Patricio Reyes M.D.
Director, Traumatic Brain Injury, Alzheimer's Disease & Cognitive Disorders Clinics; Phoenix, AZ; Chief Medical Officer, Retired NFL Players Association

Barrow Neurological Institute

St. Joseph's Hospital and Medical Center
"PRESERVING BRAIN FUNCTIONS "
Runtime: 50:22
Runtime: 50:22
"2 NEW THERAPIES FOR ALZHEIMER'S"
Runtime: 10:27
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BIOMEDICAL RESEARCH IN ALZHEIMER'S DISEASE
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Robert F. Spetzler M.D.
Director, Barrow Neurological Institute

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Professor Section of Neurosurgery
University of Arizona
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Alzheimer's Disease and Cognitive Disorders Clinic

Barrow Neurological Clinics
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Sunday, May 21, 2017

 

Could Omega-3 Protect Against Alzheimer’s?
























This is an example of the Omega-3 Index, the method utilized in this study for measuring omega-3 fatty acid levels in red blood cell membranes in the study. NeuroscienceNews.com image is credited to William S. Harris, PHD.[/caption]

Neuroimaging shows increased blood flow in regions of the brain associated with memory and learning for people with higher omega-3 levels, according to a new report in the Journal of Alzheimer’s Disease.

The incidence of Alzheimer’s disease (AD) is expected to triple in the coming decades and no cure has been found. Recently, interest in dietary approaches for prevention of cognitive decline has increased. In particular, the omega-3 fatty acids have shown anti-amyloid, anti-tau and anti-inflammatory actions in the brains of animals. In a new article published in the Journal of Alzheimer’s Disease, researchers have found that for patients with high omega-3 levels, blood flow in specific areas of the brain is increased.

“This study is a major advance in demonstrating the value of nutritional intervention for brain health by using the latest brain imaging,” commented George Perry, PhD, Dean and Professor of Biology, The University of Texas at San Antonio, and Editor-in-Chief of the Journal of Alzheimer’s Disease.

Single photon emission computed tomography, or SPECT, can measure blood perfusion in the brain. Images acquired from subjects performing various cognitive tasks will show higher blood flow in specific brain regions. When these images were compared to the Omega-3 Index, a measure of the blood concentration of two omega-3 fatty acids, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), investigators found a statistically significant correlation between higher blood flow and higher Omega-3 Index. In addition, they evaluated the neuropsychological functions of the subjects and found that omega-3 levels also correlated with various psychological feelings using a standardized test battery (WebNeuro).

This study drew from a random sample of 166 participants from a psychiatric referral clinic for which Omega-3 Index results were available. The participants were categorized into two groups of higher EPA+DHA concentrations (>50th percentile) and lower concentrations (<50th percentile). Quantitative brain SPECT was conducted on 128 regions of their brains and each participant completed computerized testing of their neurocognitive status.Results indicated statistically significant relationships between the Omega-3 index, regional perfusion on brain SPECT in areas involved with memory, and neurocognitive testing.[caption id="attachment_40970" align="aligncenter" width="750"]

Overall, the study showed positive relationships between omega-3 EPA+DHA status, brain perfusion, and cognition. Lead author Daniel G. Amen, MD, of the Amen Clinics Inc., Costa Mesa, CA, adds, “This is very important research because it shows a correlation between lower omega-3 fatty acid levels and reduced brain blood flow to regions important for learning, memory, depression and dementia.”

Story Source: The above story is based on materials provided by NEUROSCIENCENEWS
Note: Materials may be edited for content and length

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