Predicting episodic memory performance in dementia: is severity all there is?


Whether individual differences in demographic, psychometric, and biological domains can predict episodic memory in dementia was investigated. Mildly to moderately demented very old persons performed episodic memory tasks (free recall and recognition of slowly and rapidly presented random words, free and cued recall of organizable words, and recognition of dated and contemporary famous faces). A factor analysis of the memory measures yielded 2 factors, 1 indexing recall and 1 recognition. Controlling for severity of dementia, only 2 predictors contributed to performance: (a) Block Design (a marker of fluid intelligence) was positively related to recall, and (b) age was negatively related to recognition. Although these results are similar to data reported on predictors of episodic memory in normal aging, (a) the number of predictive variables appears to be reduced in dementia, and (b) age seems to affect recall and recognition differentially in normal aging and dementia.

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@article{Bckman1994PredictingEM, title={Predicting episodic memory performance in dementia: is severity all there is?}, author={Lars B{\"a}ckman and Roger D. Hill and Agneta Herlitz and Laura Fratiglioni and Bengt Winblad}, journal={Psychology and aging}, year={1994}, volume={9 4}, pages={520-7} }