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Apperceptive and Associative Forms of Phonagnosia
Guido Gainotti1, Davide Quaranta2, Simona Luzzi3
1Institute of Neurology, Catholic University of the Sacred Heart, Largo A. Gemell, 8, 00168, Rome, Italy. guido.gainotti@unicatt.it.
Current Neurology and Neuroscience Reports
|May 3, 2023
Summary
Pronagnosia, a voice recognition disorder, has two types: apperceptive and associative. Research suggests distinct neural bases for each, potentially involving temporal lobe voice areas and extended processing networks.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Speech and Hearing Sciences
Background:
- Pronagnosia is a rare condition affecting familiar voice recognition.
- It presents as either apperceptive (perceptual deficit) or associative (familiarity judgment deficit).
Purpose of the Study:
- To review current research on the neuropsychological and anatomo-clinical aspects of pronagnosia.
- To explore the neural substrates underlying apperceptive and associative phonagnosia.
Main Methods:
- Review of recent neuropsychological and anatomo-clinical research.
- Analysis of group studies and single case reports of phonagnosic patients.
Main Results:
- Apperceptive phonagnosia may involve disruptions in core temporal voice areas (posterior superior temporal gyrus).
- Associative phonagnosia might stem from impaired access to stored voice representations due to disconnection from extended voice processing networks.
Conclusions:
- Findings suggest distinct neural substrates for apperceptive and associative phonagnosia.
- Further investigation is needed to confirm these proposed neural correlates and advance understanding of voice recognition disorders.
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