Executive system dysfunction in the aged monkey: spatial and object reversal learning.

@article{Lai1995ExecutiveSD,
  title={Executive system dysfunction in the aged monkey: spatial and object reversal learning.},
  author={Zona Lai and Mark B. Moss and Ronald J. Killiany and Douglas L. Rosene and James G. Herndon},
  journal={Neurobiology of aging},
  year={1995},
  volume={16 6},
  pages={947-54}
}
As part of the effort to characterize age-related cognitive changes in executive system function in a nonhuman primate model of human aging, the performance of seven rhesus monkeys, 20 to 28 years of age, was compared to that of five young adult monkeys, 6 to 11 years of age, on spatial and object reversal tasks. No differences in performance were found between the two groups in the initial learning of either task. On spatial reversals, aged monkeys were impaired relative to young adults, but… CONTINUE READING

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