Higher cutoffs led to more accurate identification of high-functioning
Diagnosticians would do well to raise the bar when testing high-functioning people for pre-clinical signs of Alzheimers disease, according to a new study. Higher test cutoffs, rather than the standard group average, more accurately predicted how many highly intelligent people would deteriorate over time. This finding is reported in the January issue of Neuropsychology, which is published by the American Psychological Association (APA).
Early diagnosis of Alzheimers has taken on growing importance, given new medical and psychological interventions that can slow (but not stop) the course of the disease. In addition, highly intelligent people have been found, on average, to show clinical signs of Alzheimers later than the general population. Once they do, they decline much faster. Thought to reflect their greater mental reserves, this different pattern may call for a different approach to diagnosis.
Pam Willenz | EurekAlert!
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