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Respiratory Inhibitory Apraxia

Published online by Cambridge University Press:  18 September 2015

E.A. Atack  and
Leslie Suranyi
E.A. Atack*
Affiliation:
Ottawa Civic Hospital
Leslie Suranyi
Affiliation:
Ottawa Civic Hospital
*
303-1081 Carling Ave., Ottawa, Canada K1Y 4G2
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Summary:

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Ten patients have been described showing inability to stop breathing on command, spontaneous respiration and voluntary respiratory stimulation being unaffected. This abnormality not previously described in the literature, we feel should be named respiratory inhibitory apraxia (R.I.A.). The anatomical organization of respiration is briefly reviewed. R.I.A. is often associated with other forms of apraxia or motor impersistence. It is thought that the urinary and bowel incontinence present in some of these cases might also represent a form of inhibitory apraxia. Information is presented which supports the view that respiratory inhibitory apraxia is due to a minor hemisphere lesion, usually deepseated. Our one autopsied case showed a lesion in the descending motor pathways in the internal capsule, in middle cerebral artery branch territory, disconnecting the voluntary respiratory inhibitory center in the cortex in anterior and middle cerebral cortical branch territories.

Type
Research Article
Information
Canadian Journal of Neurological Sciences , Volume 2 , Issue 1 , February 1975 , pp. 37 - 43
Copyright
Copyright © Canadian Neurological Sciences Federation 1975

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