Que PASA? The posterior-anterior shift in aging.

@article{Davis2008QuePT,
  title={Que PASA? The posterior-anterior shift in aging.},
  author={Simon W. Davis and Nancy A. Dennis and Sander M. Daselaar and Mathias Fleck and Roberto Cabeza},
  journal={Cerebral cortex},
  year={2008},
  volume={18 5},
  pages={1201-9}
}
A consistent finding from functional neuroimaging studies of cognitive aging is an age-related reduction in occipital activity coupled with increased frontal activity. This posterior-anterior shift in aging (PASA) has been typically attributed to functional compensation. The present functional magnetic resonance imaging sought to 1) confirm that PASA reflects the effects of aging rather than differences in task difficulty; 2) test the compensation hypothesis; and 3) investigate whether PASA… CONTINUE READING
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