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Fractal property of eye movements in schizophrenia

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Abstract.

 On the basis of a temporal model of animal behavior we conducted temporal analysis of eye movements in schizophrenic subjects (n=10) and normal controls (n=10). We found a fractal property in schizophrenic subjects, the fixation time of eye movement during reading ambiguous and difficult sentences showing a clear inverse power law distribution. An exponential distribution of a nonfractal nature was found in normal controls.

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Authors and Affiliations

  1. Department of Neuropsychiatry, Fukushima Medical College, 1 Hikarigaoka, Fukushima-shi, 960-12 Japan, , , , , , JP

    Hidekatsu Yokoyama & Shin-ichi Niwa

  2. Research Institute of Logopedics and Phomiatrics, Tokyo University School of Medicine, Tokyo, Japan, , , , , , JP

    Kenji Itoh

  3. Department of Psychology, Social and Health Science, Duke University, Durham, North Carolina, USA, , , , , , US

    Reiko Mazuka

Authors
  1. Hidekatsu Yokoyama
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  2. Shin-ichi Niwa
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  3. Kenji Itoh
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  4. Reiko Mazuka
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Received: 21 July 1995/Accepted in revised form: 30 April 1996

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Yokoyama, H., Niwa, Si., Itoh, K. et al. Fractal property of eye movements in schizophrenia. Biol Cybern 75, 137–140 (1996). https://doi.org/10.1007/s004220050281

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  • DOI: https://doi.org/10.1007/s004220050281

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