Secular Changes in Late-life Cognition and Well-being: Towards a Long Bright Future with a Short Brisk Ending?

Finally, we examined the extent of selectivity of each BASE sample relative to the larger populations from which they were drawn, in a first step with the larger BASE and BASE-II samples and in a second step with the propensity-matched samples. [...] The scenarios differ in the supposed historical changes in the onset of decline in a given domain and the rate of decline. [...] Unfortunately, the Digit Symbol subtest was the only cognitive test in the two BASE studies that was administered in exactly the same way in the two cohorts. [...] New frontiers in the future of aging: From successful aging of the young old to the dilemmas of the fourth age. [...] Trends in the prevalence and mortality of cognitive impairment in the United States: Is there evidence of a compression of cognitive morbidity? Alzheimer's and Dementia, 4, 134-144.