Electronic pupillometry for investigating pupil reactivity to different exteroceptive stimuli: Applications and limits

G. Micieli, M. Magri, G. Sandrini, C. Tassorelli, L. Montalbetti, V. Covelli, G. Nappi

Research output: Contribution to journalArticle

Abstract

Iris neuromuscular junction represents a site of reciprocal interactions of sympathetic and parasympathetic innervation and can be considered a useful tool to investigate both systems in physiological and pathological conditions. In this study 35 healthy subjects of different ages were examined by an infrared TV pupillometer to assess darkness and light adaptation, as well as pupillary response to light and to exteroceptive stimulation (RIII reflex). A progressive impairment of pupil adaptability to light stimuli with aging was also observed, while a significant correlation was found between the intensity of electrical stimulation of the sural nerve and the percent increase in pupil diameter. The evaluation of pupil responsiveness is considered for its possible applications in various neurological disorders.

Original languageEnglish
Pages (from-to)529-538
Number of pages10
JournalFunctional Neurology
Volume2
Issue number4
Publication statusPublished - 1987

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)

Fingerprint Dive into the research topics of 'Electronic pupillometry for investigating pupil reactivity to different exteroceptive stimuli: Applications and limits'. Together they form a unique fingerprint.

  • Cite this