PMID: 9442848Jan 1, 1997Paper

Central auditory information processing in patients with bilateral auditory cortex lesions

Acta Oto-laryngologica. Supplementum
K KagaY Tanaka

Abstract

Severe auditory cognitive disorders in 10 patients who had bilateral lesions either to the auditory cortex and/or auditory radiations were studied audiologically with special attention to residual hearing. This auditory cognitive problem is called "auditory agnosia or cortical deafness". Our study revealed that auditory information processing for pure tones, monosyllable discrimination, environmental sound perception, and auditory comprehension is commonly but differently affected by bilateral lesions of auditory cortex or auditory radiation. In summary, these patients can discriminate loudness of pure tones and some environmental sounds but cannot clearly perceive any sounds of monosyllables and sentences. Generally their residual hearing is useful for auditory awareness and is often enhanced by lip reading.

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Citations

Mar 14, 2002·The Journal of Comparative Neurology·Justin S CetasNathaniel T McMullen
Jun 3, 2014·BMC Neuroscience·Manfred DepnerHolger Schulze
Apr 9, 2001·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·M F Mendez
Sep 16, 2000·Scandinavian Audiology·J RönnbergE Borg
Dec 30, 2014·Brain & Development·Wakana FurushimaMasumi Inagaki
Mar 29, 2001·Ear and Hearing·B AkkuzuU Can
Jan 20, 2012·Journal of Clinical Neurology·Sook Hui KimDuk L Na
Jul 25, 2000·Audiology : Official Organ of the International Society of Audiology·D E BamiouE Raglan
Dec 18, 2020·Journal of Audiology & Otology·Magdalena LachowskaKazimierz Niemczyk

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