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Nonmodularity of the central auditory nervous system: implications for (central) auditory processing disorder
Frank E Musiek1, Teri James Bellis, Gail D Chermak
1University of Connecticut, Storrs 06269-1085, USA. frank.musiek@uconn.edu
American Journal of Audiology
|February 24, 2006
Summary
This study clarifies the diagnosis of central auditory processing disorder (CAPD), emphasizing a combined approach. It advocates for using specific auditory tests alongside multidisciplinary evaluations for accurate CAPD diagnosis and treatment.
Area of Science:
- Neuroscience
- Audiology
- Cognitive Science
Background:
- The diagnosis of central auditory processing disorder (CAPD) requires consideration of higher-order cognitive and pansensory factors.
- Multidisciplinary assessment is crucial for the differential diagnosis of CAPD.
Discussion:
- This work responds to Cacace and McFarland (2005), highlighting agreements and disagreements on the modularity concept in CAPD diagnosis.
- Limitations in multimodal assessment scope and efficiency are discussed.
- The non-modular, interactive organization of the brain, supported by scientific literature, informs the proposed diagnostic approach.
Key Insights:
- Recommends using a sensitized test battery for the central auditory nervous system (CANS) combined with multidisciplinary testing for accurate CAPD diagnosis and treatment.
- Advocates for using sensitivity and specificity measures from patients with well-circumscribed CANS lesions to validate auditory diagnostic tests.
- Emphasizes the need for practical and efficient diagnostic tools for clinical use.
Outlook:
- Encourages continued collaboration between auditory science researchers and clinicians to develop improved diagnostic tools for CAPD.
- Suggests the proposed approach can identify and treat 'pure' CAPD, as well as co-occurring auditory-perceptual issues, while differentiating them from global cognitive problems.