• Simon J McBride, Cassandra E I Szoeke, Norm M Good, David Ames, Ralph N Martins, Colin L Masters, Paul T Maruff, Christopher C Rowe, Greg Savage, Kathryn A Ellis, and AIBL Research Group.
• Australian e-Health Research Centre, CSIRO ICT Centre, Brisbane, QLD, Australia. kellis@unimelb.edu.au
• Med. J. Aust. 2011 Feb 21; 194 (4): S12-4.

AbstractA decline in cognition greater than expected with ageing and accompanied by subjective cognitive concerns or functional changes may be indicative of a dementing disorder. The capacity to correctly identify cognitive decline relies on comparisons with normative data from a suitably matched healthy reference group with relatively homogeneous demographic features. Formal assessment of cognition is usually performed by specialist neuropsychologists trained in administration and interpretation of psychometric tests. With a scarcity of normative data from large cohorts of older adults, Australian neuropsychologists commonly use representative data from small international studies. Data from 727 healthy older Australians participating in the Australian Imaging, Biomarkers and Lifestyle (AIBL) Flagship Study of Ageing have been used to create a normative dataset. A web-based calculator was developed to simplify the time-consuming process of comparing cognitive performance scores with these representative data.

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