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Oculo-auricular phenomenon secondary to vestibular dysfunction.
Adriano Jiménez-Escrig1, Juan M San-Millan, Manuel Barón
1S. de Neurología, Hospital Ramón y Cajal, Madrid, Spain. adriano.jimenez@hrc.es
Summary
The oculo-auricular phenomenon, involving eye and ear muscle coactivation, is common. This study details a rare case of this phenomenon occurring transiently during vestibular vertigo.
Area of Science:
- Neuroscience
- Ophthalmology
- Otorhinolaryngology
Background:
- The oculo-auricular phenomenon is characterized by the coactivation of the ocular rectus lateralis muscle and posterior auricular muscles.
- This results in bilateral auricular curling during extreme lateral gaze, observed in up to 80% of the general population.
Observation:
- A case study of a 26-year-old male patient presenting with transient oculo-auricular phenomenon.
- The phenomenon occurred during an episode of vestibular vertigo.
Findings:
- The study documents a transient manifestation of the oculo-auricular phenomenon.
- This transient occurrence was linked to an episode of vestibular vertigo.
Implications:
- This case expands the understanding of the oculo-auricular phenomenon's potential triggers and transient nature.
- It suggests a possible link between vestibular system disturbances and this specific neuromuscular coactivation.
- Further research may elucidate the neurophysiological mechanisms connecting vestibular vertigo and the oculo-auricular response.