title: Normative and retest data on the RBANS cortical/subcortical index in older adults.
abstract: Several neuropsychological disorders have been classified as having either "cortical" or "subcortical" profiles; however, little information is available about the frequency of these profiles in the normal population or their stability on retesting. Therefore, the current study calculated the cortical/subcortical profile index from the Repeatable Battery for the Assessment of Neuropsychological Status in a large cohort (n = 793) of older adult primary care patients. The frequency of these profiles was examined, as was their stability across 1- and 2-year periods. Cortical profiles were quite common in this sample, with 37% having 10 or more points on this index. Stability of these index scores across 1 and 2 years was moderate (r = .58-.61). Although the utility of this index needs to be investigated in clinical samples, practitioners should use caution when interpreting these types of indicator as pathognomonic for the presence of disease.
authors.affiliation: Department of Psychiatry, University of Iowa, Iowa City, IA 52242-1000, USA. kevin-duff@uiowa.edu
authors.forename: Kevin
authors.initials: K
authors.lastname: Duff
authors.forename: Mike R
authors.initials: MR
authors.lastname: Schoenberg
authors.forename: James W
authors.initials: JW
authors.lastname: Mold
authors.forename: James G
authors.initials: JG
authors.lastname: Scott
authors.forename: Russell L
authors.initials: RL
authors.lastname: Adams
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000502:physiology* / Q000523:psychology; D001921:Brain / Q000502:physiology / Q000503:physiopathology; D003071:Cognition / Q000502:physiology*; D003072:Cognition Disorders / Q000175:diagnosis* / Q000503:physiopathology / Q000523:psychology; D015331:Cohort Studies; D015577:Geriatric Assessment / Q000379:methods*; D006801:Humans; D008137:Longitudinal Studies; D009483:Neuropsychological Tests; D012016:Reference Values; D015203:Reproducibility of Results; D012111:Residence Characteristics