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[Palinacousis with hemianacusia caused by left temporal lesion]
P Auzou1, D Hannequin, J P Cochin
1Clinique Neurologique, Rouen.
Revue Neurologique
|February 1, 1995
Summary
Palinacousis, or auditory perseveration, occurred in a patient with a temporoparietal astrocytoma. This auditory phenomenon was linked to preserved speech abilities, suggesting a unique neurological link.
Area of Science:
- Neuroscience
- Neurology
- Ophthalmology
Background:
- Auditory perseveration, known as palinacousis, is a rare neurological symptom.
- Astrocytomas, particularly those in the temporoparietal region, can present with diverse neurological deficits.
Observation:
- A 78-year-old patient with a left temporoparietal astrocytoma reported experiencing "echoing voice" in the right ear, a symptom of palinacousis.
- The palinacousis was concurrent with sensitive partial seizures.
- Neuropsychological assessments indicated hemianacusia but preserved phonological discrimination and verbal repetition abilities.
Findings:
- The study identified a case of palinacousis associated with a left temporoparietal astrocytoma.
- Hemianacusia was present, yet core speech processing functions remained intact.
- The coexistence of auditory perseveration with preserved speech abilities was highlighted.
Implications:
- This case suggests that intact phonological discrimination and verbal repetition may facilitate the emergence of palinacousis.
- Understanding the neural underpinnings of palinacousis can offer insights into auditory processing and perception.
- Further research into the relationship between brain tumors, seizures, and auditory phenomena is warranted.