The development and recovery of motor function in spinal cats. I: The infant lesion effect

Normal development of motor function was compared to that of cats with spinal transections at birth (newborn operates) or at approximately two weeks after birth (two week operates). Newborn operates expressed motor behavior not seen until sometime later in normal newborn cats, suggesting that this b...

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Bibliographic Details
Published in:Experimental brain research 1986, Vol.62 (2), p.373-386
Main Authors: ROBINSON, G. A, GOLDBERGER, M. E
Format: Article
Language:English
Subjects:
Aging
Animals
Animals, Newborn - growth & development
Animals, Newborn - physiology
Behavior, Animal
Biological and medical sciences
Cats
Decerebrate State
Locomotion
Medical sciences
Motor Activity - physiology
Motor Neurons - physiology
Nerve Regeneration
Nervous system involvement in other diseases. Miscellaneous
Neurology
Postoperative Period
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Summary:Normal development of motor function was compared to that of cats with spinal transections at birth (newborn operates) or at approximately two weeks after birth (two week operates). Newborn operates expressed motor behavior not seen until sometime later in normal newborn cats, suggesting that this behavior is normally suppressed by descending systems in newborn cats. After reaching adulthood, the motor performance of newborn operates surpassed that of both two week operates and chronic adult operates (cats with spinal cord transection in adulthood), suggesting that the earlier transection occurs, the greater the recovery of motor function. Transection at birth may alter the course of spinal cord development, accounting for the differences in motor performance among the three age groups.
ISSN:0014-4819
1432-1106
DOI:10.1007/BF00238857