Auditory Sound Agnosia without Aphasia Following a Right Temporal Lobe Lesion

Toshikatsu Fujii; Reiko Fukatsu; Shin ichi Watabe; Ayumu Ohnuma; Kazumine Teramura; Itaru Kimura; Shun ichi Saso; Kyuya Kogure

doi:10.1016/S0010-9452(13)80355-3

Auditory Sound Agnosia without Aphasia Following a Right Temporal Lobe Lesion

Toshikatsu Fujii, Reiko Fukatsu, Shin ichi Watabe, Ayumu Ohnuma, Kazumine Teramura, Itaru Kimura, Shun ichi Saso, Kyuya Kogure

Research output: Contribution to journal › Article › peer-review

69 Citations (Scopus)

Abstract

A 55-year-old right-handed man showed inability to recognize the meaning of nonverbal sounds without impairment of language comprehension after a cerebrovascular accident. His auditory acuity was intact and no other sign of agnosia, apraxia or aphasia was detectable. His errors on a test of sound recognition were acoustic rather than semantic. Brain CT scan showed a small lesion in the posterior part of the right temporal lobe. This case suggests that auditory sound agnosia without language disorder can ensure a lesion confined to the right hemisphere, that the deficit is discriminative rather than associative in nature.

Original language	English
Pages (from-to)	263-268
Number of pages	6
Journal	Cortex
Volume	26
Issue number	2
DOIs	https://doi.org/10.1016/S0010-9452(13)80355-3
Publication status	Published - 1990
Externally published	Yes

ASJC Scopus subject areas

Neuropsychology and Physiological Psychology
Experimental and Cognitive Psychology
Cognitive Neuroscience

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title = "Auditory Sound Agnosia without Aphasia Following a Right Temporal Lobe Lesion",

abstract = "A 55-year-old right-handed man showed inability to recognize the meaning of nonverbal sounds without impairment of language comprehension after a cerebrovascular accident. His auditory acuity was intact and no other sign of agnosia, apraxia or aphasia was detectable. His errors on a test of sound recognition were acoustic rather than semantic. Brain CT scan showed a small lesion in the posterior part of the right temporal lobe. This case suggests that auditory sound agnosia without language disorder can ensure a lesion confined to the right hemisphere, that the deficit is discriminative rather than associative in nature.",

author = "Toshikatsu Fujii and Reiko Fukatsu and Watabe, {Shin ichi} and Ayumu Ohnuma and Kazumine Teramura and Itaru Kimura and Saso, {Shun ichi} and Kyuya Kogure",

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AU - Fujii, Toshikatsu

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AU - Watabe, Shin ichi

AU - Ohnuma, Ayumu

AU - Teramura, Kazumine

AU - Kimura, Itaru

AU - Saso, Shun ichi

AU - Kogure, Kyuya

PY - 1990

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AB - A 55-year-old right-handed man showed inability to recognize the meaning of nonverbal sounds without impairment of language comprehension after a cerebrovascular accident. His auditory acuity was intact and no other sign of agnosia, apraxia or aphasia was detectable. His errors on a test of sound recognition were acoustic rather than semantic. Brain CT scan showed a small lesion in the posterior part of the right temporal lobe. This case suggests that auditory sound agnosia without language disorder can ensure a lesion confined to the right hemisphere, that the deficit is discriminative rather than associative in nature.

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