Neurologial interpretations and the information in the cognitive pupillary response.

@article{ONeill2000NeurologialIA,
  title={Neurologial interpretations and the information in the cognitive pupillary response.},
  author={W. Charles O'Neill and Sherri A. Zimmerman},
  journal={Methods of information in medicine},
  year={2000},
  volume={39 2},
  pages={
          122-4
        }
}
It has been known for 70 years that the human pupil dilates when a person responds to a cognitive task. Further, it is known that parasympathetic pupillary innervation decreases with raised attention state while sympathetic innervation increases. But the information the pupil transmits during elevated attention states about such neurological dynamics and a quantitative measure of this information have defied statistical modelling. Now we describe experiments using a short-term memory task… CONTINUE READING
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