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Motor Impersistence

  • Reference work entry
  • First Online:
Encyclopedia of Clinical Neuropsychology

  • 7 Accesses

Synonyms

Simultanapraxia

Definition

Motor impersistence is the inability to maintain postures or positions (such as keeping eyes closed, protruding the tongue, maintaining conjugate gaze steadily in a fixed direction, or making a prolonged “ah” sound) without repeated prompts. Simultanapraxia, a subset of motor impersistence, has been defined as the inability to perform more than two of the simple voluntary acts simultaneously, such as closing the eyes and protruding the tongue. According to research (Kertesz et al. 1985; Rosse and Ciolino 1986; Stuss et al. 1987), it is most likely seen in patients with right frontal damage. Joynt et al. (1962) developed a standardized objective test to measure motor impersistence.

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References and Readings

  • Joynt, R. J., Benton, A. L., & Fogel, M. L. (1962). Behavioral and pathological correlates of motor impersistence. Neurology, 12, 876–881.

    Article  PubMed  Google Scholar 

  • Kertesz, A., Nicholson, I., Cancelliere, A., Kassa, K., & Black, S. E. (1985). Motor impersistence: A right-hemisphere syndrome. Neurology, 35(5), 662–666.

    Article  PubMed  Google Scholar 

  • Rosse, R. B., & Ciolino, C. P. (1986). Motor impersistence mistaken for uncooperativeness in a patient with right-brain damage. Psychosomatics, 27(7), 532–534.

    Article  PubMed  Google Scholar 

  • Stuss, D. T., Delgado, M., & Guzman, D. A. (1987). Verbal regulation in the control of motor impersistence: A proposed rehabilitation procedure. Neurorehabilitation and Neural Repair, 1(1), 19–24.

    Article  Google Scholar 

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Author information

Authors and Affiliations

  1. Butler Hospital and Alpert Medical School of Brown University, Providence, RI, USA

    Irene Piryatinsky

Authors
  1. Irene Piryatinsky
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Correspondence to Irene Piryatinsky .

Editor information

Editors and Affiliations

  1. Department of Physical Medicine and Rehabilitation, Virginia Commonwealth University, Richmond, VA, USA

    Jeffrey S. Kreutzer

  2. Kessler Foundation, Pleasant Valley Way, West Orange, NJ, USA

    John DeLuca

  3. Independent Practice, Wynnewood, PA, USA

    Bruce Caplan

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Piryatinsky, I. (2018). Motor Impersistence. In: Kreutzer, J.S., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, Cham. https://doi.org/10.1007/978-3-319-57111-9_2046

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