Hemispheric asymmetry reduction in older adults: the HAROLD model.

@article{Cabeza2002HemisphericAR,
  title={Hemispheric asymmetry reduction in older adults: the HAROLD model.},
  author={Roberto Cabeza},
  journal={Psychology and aging},
  year={2002},
  volume={17 1},
  pages={85-100}
}
A model of the effects of aging on brain activity during cognitive performance is introduced. The model is called HAROLD (hemispheric asymmetry reduction in older adults), and it states that, under similar circumstances, prefrontal activity during cognitive performances tends to be less lateralized in older adults than in younger adults. The model is supported by functional neuroimaging and other evidence in the domains of episodic memory, semantic memory, working memory, perception, and… CONTINUE READING
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