TIME TO UNDERSTAND - CASE STUDY OF WORD DEAFNESS WITH REFERENCE TO ROLE OF TIME IN AUDITORY COMPREHENSION
TIME TO UNDERSTAND - CASE STUDY OF WORD DEAFNESS WITH REFERENCE TO ROLE OF TIME IN AUDITORY COMPREHENSION
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DOI:
10.1093/brain/97.1.373
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发表时间:
1974-01-01
期刊:
影响因子:
14.5
通讯作者:
BEAR, D
中科院分区:
文献类型:
--
作者:
ALBERT, ML;BEAR, D
IN a study of temporal discrimination in brain-damaged patients, Van Allen, Benton and Gordon (1966) described the" time sense" as a" collective term used to designate all aspects of the perception and appreciation of time."" There is little doubt," they added," that the'time sense'is a pluralistic rather than a unitary concept." One aspect of the" time sense," temporal sequencing, has been shown to play an important part in the understanding of spoken language (Albert, 1972). In this report additional components of the" time sense" are shown to influence auditory understanding.We have studied a patient with word deafness who had a marked temporal component to his defect which appeared to be a function of speaking rate, for he understood spoken language much better if the examiner spoke slowly enough. Word deafness in its pure form is very rare; and identifiable cases of word deafness, even if mixed with other aphasic components, are uncommon. The syndrome was first defined in 1885 by Lichtheim as" the inability to understand spoken words as an isolated deficit unaccompanied by disturbance of spontaneous speech or by severe disturbance in writing or understanding of the printed word." There is a marked impairment of auditory understanding of letter sounds, words, phrases and sentences; repetition is equally affected. Reading, writing and speaking ability are, however, preserved. Word deafness may evolve from or toward Wernicke's aphasia (Dejerine and Serieux, 1897; Barrett, 1910; Ziegler, 1952; Klein and Harper, 1956; Gazzaniga