Nick Scarmeas

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Introduction Functional networks operate in the brain and have been observed during the performance of cognitive tasks through a variety of different analytic approaches utilizing interregional correlation of activation. An interesting question is whether functional networks can be observed at rest, and whether there are disease-related changes in network(More)
Little research has been conducted regarding age-related changes in nonverbal memory. Using positron emission tomography (PET), the authors studied 17 elderly volunteers and 20 young volunteers, during nonverbal recognition task performance, to examine differences in brain blood flow. The subjects were asked to recognize a study list size (SLS) of shapes(More)
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