Eligibility criteria
Condition
Healthy
Sex
Females and Males
Age
70-80 years
Inclusion criteria
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- Healthy males and females between the ages of 70 and 80.
- Subjects must have BMI of 17.5 to 32 kg/m2 and total body weight > 110 pounds.
- Acceptable screening MRI and PET scans that pass quality control requirements.
Exclusion criteria
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- Co-morbid diagnosis of clinically documented Alzheimer's disease; - Significant
cognitive impairment;
- MMSE (mini mental state examination) score <26