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Related Experiment Videos

Auditory response to a photic stimulus.

Melanie S Archibald1, John F Amos

  • 1Department of Optometry, School of Optometry, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA. marchibald@peoplepc.com

Optometry (St. Louis, Mo.)
|January 24, 2003
PubMed
Summary

The photic sneeze response causes uncontrollable sneezing when exposed to bright light. A similar mechanism may explain a newly reported involuntary auditory response to light.

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Area of Science:

  • Ophthalmology
  • Neurology
  • Genetics

Background:

  • The photic sneeze response (PSR) is a reflex causing sneezing upon sudden exposure to bright light.
  • Its complex pathogenesis involves cranial nerves, autonomic nervous system, and central brainstem functions.
  • PSR may be inherited in an autosomal dominant pattern, but this is not always observed.

Observation:

  • A case report details a patient experiencing a predictable auditory response to bright light.
  • This involuntary auditory response was noted during a comprehensive eye examination.
  • The patient's history and ophthalmic findings are presented.

Findings:

  • The study describes a novel auditory response linked to photic stimuli.
  • The mechanism of this auditory response may share similarities with the photic sneeze reflex.
  • Ophthalmic findings in the patient are documented.

Implications:

  • This case suggests a potential link between light stimuli and auditory reflexes.
  • Understanding this response may offer insights into neurological reflex pathways.
  • Further research could explore the shared mechanisms between photic sneeze and auditory responses.

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