A Model for Dysfunctions in Smooth Pursuit Eye Movement a

  title={A Model for Dysfunctions in Smooth Pursuit Eye Movement a},
  author={Bernardo A. Huberman},
  journal={Annals of the New York Academy of Sciences},
  • B. Huberman
  • Published 1 July 1987
  • Psychology
  • Annals of the New York Academy of Sciences
In this paper, I have introduced and solved a simple deterministic model of eye tracking that produces rich dynamical behavior. Some of its main features, notably the existence of a chaotic regime, are reminiscent of the anomalies reported in smooth pursuit eye tracking experiments with schizophrenia patients. By obtaining the state diagram of such a model as a function of target frequency and amplitude, we showed the existence of a chaotic regime characterized by a strange attractor in phase… 
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DIEFENDORF , A . R . & R . DODGE . 1908
  • Arch . Neurol . Psychiatry Science
  • 1934
If L were negative (i.e.. stiffer restoring force for large errors), the peak-to-peak amplitude would then increase with increasing frequency