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Motor Impersistence

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Encyclopedia of Clinical Neuropsychology

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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, Nicholson, Cancelliere, Kassa, & Black, 1985; Rosse & Ciolino, 1986; Stuss, Delgado, & Guzman, 1987), it is most likely seen in patients with right frontal damage. Joynt, Benton, and Fotel (Joynt, Benton, & Fogel, 1962) developed a standardized objective test to measure motor impersistence.

Cross References

Action-Intentional Disorders

Apraxia

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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.

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

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

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  • 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.

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Author information

Authors and Affiliations

  1. Butler Hospital and Alpert Medical School of Brown University, 345 Blackstone Blvd, 2906, Providence, RI, USA

    Irene Piryatinsky

Authors
  1. Irene Piryatinsky
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Editor information

Editors and Affiliations

  1. Physical Medicine and Rehabilitation, and Professor of Neurosurgery, and Psychiatry Virginia Commonwealth University – Medical Center Department of Physical Medicine and Rehabilitation, VCU, 980542, Richmond, Virginia, 23298-0542, USA

    Jeffrey S. Kreutzer

  2. Kessler Foundation Research Center, 1199 Pleasant Valley Way, West Orange, NJ, 07052, USA

    John DeLuca

  3. Professor of Physical Medicine and Rehabilitation, and Neurology and Neuroscience, University of Medicine and Dentistry of New Jersey – New Jersey Medical School, New Jersey, USA

    John DeLuca

  4. Independent Practice, 564 M.O.B. East, 100 E. Lancaster Ave., Wynnewood, PA, 19096, USA

    Bruce Caplan

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© 2011 Springer Science+Business Media, LLC

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Piryatinsky, I. (2011). Motor Impersistence. In: Kreutzer, J.S., DeLuca, J., Caplan, B. (eds) Encyclopedia of Clinical Neuropsychology. Springer, New York, NY. https://doi.org/10.1007/978-0-387-79948-3_2046

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  • DOI: https://doi.org/10.1007/978-0-387-79948-3_2046

  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-0-387-79947-6

  • Online ISBN: 978-0-387-79948-3

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