Graph of the neuropsychological test scores of the patient at ages 53, 54, 55, and 57. Note the poorer performance on measures of attention/executive functioning and letter fluency, which are typically impaired in those with behavioral variant frontotemporal dementia. Note also the relative stability of performance across most measures. He has been at the 'floor' in letter fluency and Trail Making Test (TMT) forms A and B for the past few years. AVLT, Auditory Verbal Learning Test; BNT, Boston Naming Test; Categ flu, category fluency; DRS 2, Dementia Rating Scale 2; Letter flu, letter fluency; MOANS, Mayo Older American Normative Studies; Rey O, Rey-Osterreith Complex Figure; SD, standard deviation; Stroop CW, Stroop Color-Word Test; WAIS-BD, Wechsler Adult Intelligence Scale-Block Design; WAIS-PC, Wechsler Adult Intelligence Scale-Picture Completion; WMS-R LM % R, Wechsler Memory Scale-Revised, Logical Memory, percentage retention; WMS-R VR % R, Wechsler Memory Scale-Revised, Visual Reproduction, percentage retention.