| * Visual and auditory P300 brain evoked potentials (the positive spike in an EEG wave 300ms after a stimulus): Amplitude and Latency |
| * Fluorodeoxyglucose (FDG) Positron Emission Topography (PET) Brain Hypometabolism |
| * Computed tomography (CT) Scans |
| * Mini-Mental State Examination (MMSE) |
| *Central Nervous System Vital Signs Memory Test (CNSM) |
| * Test of Variable Attention (TOVA): Omissions, Commissions, Response Times, and Variability |
| *Wechsler Memory Scale-III (WMS): Immediate Memory Index (combining Immediate Verbal with Immediate Non-Verbal Memory scores) and the Wechsler Working Memory Index Score |
| * Additional clinical and cognitive interviews |
| *Evidence of cognitive deterioration indicated by subjective report of decline by self and/or informant |
