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  • plantar
  • Neural mechanism and clinical significance of the plantar grasp reflex in infants. (biomedsearch.com)
  • The plantar grasp reflex can be elicited in all normal infants from 25 weeks of postconceptional age until the end of 6 months of corrected age according to the expected birth date. (biomedsearch.com)
  • To clarify the plantar reflex profile at 1 year of life in different categories of neurodevelopmental abnormalities, plantar responses were examined prospectively in 204 high-risk infants, of whom 58 developed cerebral palsy, 22 had developmental retardation without motor disturbance, and 124 were normal at a follow-up examination at 3 years of age. (biomedsearch.com)
  • Spinal
  • The spinal center for this reflex is probably located at the L(5)-S(2) levels, which, however, are controlled by higher brain structures. (biomedsearch.com)
  • Nonprimary motor areas may exert regulatory control of the spinal reflex mechanism through interneurons. (biomedsearch.com)
  • In infants, this reflex can be elicited as the result of insufficient control of the spinal mechanism by the immature brain. (biomedsearch.com)
  • In adults, lesions in nonprimary motor areas may cause a release of inhibitory control by spinal interneurons, leading to a reappearance of the reflex. (biomedsearch.com)
  • Cerebral
  • Infants with athetoid type cerebral palsy exhibit an extremely strong retention of the reflex, and infants with mental retardation also exhibit a tendency toward prolonged retention of the reflex. (biomedsearch.com)
  • life
  • This reflex in human infants can be regarded as a rudiment of responses that were once essential for ape infants in arboreal life. (biomedsearch.com)