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Archaic reflexes in normal elderly people.

G Orefice1, N Modafferi, M Selvaggio

  • 1I e II Clinica Neurologica, II Facoltà di Medicina e Chirurgia, Università Degli Studi di Napoli.

Acta Neurologica
|February 1, 1991
PubMed
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Primitive reflexes can appear in healthy older adults, indicating normal nervous system aging. This study examined 120 individuals aged 70-90, finding these reflexes are not necessarily signs of disease.

Area of Science:

  • Gerontology
  • Neurology
  • Human Physiology

Background:

  • Primitive reflexes are typically associated with infancy.
  • Their presence in adults can indicate neurological abnormalities.
  • Limited research exists on primitive reflexes in healthy aging populations.

Purpose of the Study:

  • To investigate the incidence of primitive reflexes in a cohort of healthy elderly individuals.
  • To determine if the presence of these reflexes correlates with physiological aging of the nervous system.

Main Methods:

  • A cohort of 120 healthy subjects (60 males, 60 females) aged 70-90 years was recruited.
  • Subjects were screened for neurological, psychiatric, and systemic diseases.
  • A standard neurological examination was performed, including assessment for primitive reflexes.

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Main Results:

  • Primitive reflexes were observed in a portion of the "normal" elderly subjects.
  • The presence of these reflexes did not correlate with diagnosed neurological disorders.
  • Findings suggest a potential link between primitive reflexes and the natural aging process of the nervous system.

Conclusions:

  • The reappearance of primitive reflexes can be a normal finding in healthy aging.
  • These reflexes may represent a manifestation of physiological changes in the aging nervous system.
  • Further research is warranted to understand the neurobiological mechanisms underlying these observations in the elderly.