Ageing and switching of the focus of attention in working memory: results from a modified N-back task.

@article{Verhaeghen2005AgeingAS,
  title={Ageing and switching of the focus of attention in working memory: results from a modified N-back task.},
  author={Paul Michel Bernard Verhaeghen and Chandramallika Basak},
  journal={The Quarterly journal of experimental psychology. A, Human experimental psychology},
  year={2005},
  volume={58 1},
  pages={134-54}
}
We conducted two experiments using a modified version of the N-Back task. For younger adults, there was an abrupt increase in reaction time of about 250 ms in passing from N = 1 to N > 1, indicating a cost associated with switching of the focus of attention within working memory. Response time costs remained constant over the range N = 2 to N = 5. Accuracy declined steadily over the full range of N (Experiment 1). Focus switch costs did not interact with either working memory updating… CONTINUE READING

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