Serial modules in parallel: the psychological refractory period and perfect time-sharing.

  title={Serial modules in parallel: the psychological refractory period and perfect time-sharing.},
  author={Michael D. Byrne and John R. Anderson},
  journal={Psychological review},
  volume={108 4},
The authors describe ACT-R/perceptual-motor (ACT-R/PM), an integrated theory of cognition, perception, and action that consists of the ACT-R production system and a set of perceptual-motor modules. Each module (including cognition) is essentially serial, but modules run in parallel with one another. ACT-R/PM can model simple dual tasks such as the psychological refractory period (PRP), including subtle results previously explained with executive process interactive control (EPIC, D. E. Meyer… CONTINUE READING
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