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“Given the significant risk of Alzheimer’s disease and cardiovascular diseases — including coronary artery disease traits — globally, we were motivated to investigate potential genetic ...
Figure 2: β-amyloid deposition. This image shows a Pittsburgh compound B (PIB)-PET scan of a patient with Alzheimer's disease on the left and an elderly person with normal memory on the right. Areas of red and yellow show high concentrations of PiB in the brain and suggest high amounts of amyloid deposits in these areas.
Meta-analysis of many reported studies suggests that SPECT with this tracer is about 74% sensitive at diagnosing Alzheimer's disease vs. 81% sensitivity for clinical exam (cognitive testing, etc.). More recent studies have shown the accuracy of SPECT in Alzheimer's diagnosis may be as high as 88%. [4]
A 2023 study published in the journal Acta Neuropathologica examined tissue from the brain and retina of 86 individuals and compared samples from donors with normal cognitive function to samples ...
PET is a valuable research tool to learn and enhance our knowledge of the normal human brain, heart function, and support drug development. PET is also used in pre-clinical studies using animals. It allows repeated investigations into the same subjects over time, where subjects can act as their own control and substantially reduces the numbers ...
Neuroimaging is the use of quantitative (computational) techniques to study the structure and function of the central nervous system, developed as an objective way of scientifically studying the healthy human brain in a non-invasive manner. Increasingly it is also being used for quantitative research studies of brain disease and psychiatric ...