先天失歌症者的调性知觉研究

发布时间：2018-03-15 12:51

本文选题：先天失歌症　切入点：音高　出处：《上海师范大学》2014年硕士论文　论文类型：学位论文

【摘要】：先天失歌症(congenital amusia)是一种对音乐音高加工的障碍,俗称五音不全。这种缺陷既不归因于脑损伤、听觉丧失、认知或社会情感的错乱,也不缘于缺少与音乐的接触。据报道,英国生物学家达尔文、美国前总统罗斯福都是先天失歌症者。失歌症者的加工障碍不仅表现在对音乐音高的知觉和记忆障碍,而且这种障碍已经延伸到言语领域,影响他们对言语韵律、情绪以及语义的理解。另一方面,调性感能够促进人们对音乐的知觉和记忆。那么,失歌症者在音乐方面的加工障碍,究竟是由音高的加工障碍引起的,还是由调性加工障碍造成的?基于此,本研究试图探讨失歌症者的调性加工能力,在此基础上,进一步探究失歌症者对调性和无调性音乐的知觉和记忆。本研究由四个实验组成。实验一考察失歌症者的调性知觉能力,研究结果发现,正常被试对音阶音级稳定性的评定呈现出层级趋势,但是,失歌症者对这些音级的评定并不呈现出层级趋势,表明失歌症者的调性感显著低于正常被试。实验二通过调性和弦序列考察失歌症者对和声规则性的加工能力。研究结果表明,正常被试能够区分出规则与违规的和弦序列进行,但是,失歌症者对这两种条件下和弦序列的评定不具有差异。该结果暗示,失歌症者对调性和弦的加工可能具有障碍。实验三、实验四分别考察了失歌症者对调性旋律和无调性旋律的分辨及记忆。结果发现,失歌症者对调性及无调性旋律的分辨及记忆均逊于正常被试。本研究结果暗示,失歌症者的音乐加工障碍不仅缘于他们对音乐音高知觉的困难,而且也缘于他们对调性加工的障碍。
[Abstract]:Congenital amusia) is an obstacle to the processing of musical pitch, commonly known as five tones. This defect is not attributable to brain damage, hearing loss, cognitive or social emotional disorder, or lack of access to music. The British biologist Darwin and former American President Roosevelt were all congenital dyslexics. The dysfunctional processing of dyslexics was manifested not only in the perception and memory of the pitch of music, but also in the field of speech. Affect their understanding of speech prosody, emotion and semantics. On the other hand, sexual appeal can promote people's perception and memory of music. Or are they caused by tonal processing disorders? Based on this, this study attempts to explore the tonality processing ability of the patients with atony, and on this basis, to further explore their perception and memory of tonality and anatonic music. This study was composed of four experiments. Experiment 1 investigated the tonality perception ability of the patients with atraxia. The results showed that the normal subjects showed a hierarchical trend in the evaluation of scale stability, but, There was no hierarchical trend in the assessment of these scales among the patients, which indicated that the tone sensibility of the patients was significantly lower than that of the normal subjects. In experiment 2, the ability of the patients to process harmonies regularly was investigated by using the tonality chord sequence. The results showed that, The normal subjects were able to distinguish the rule from the irregular chord sequence, but there was no difference in the evaluation of the chord sequence between the two conditions. The process of tonality and chord may be hindered in the patients with atony. Experiment 3 and experiment 4 examined the discrimination and memory of tonality and anatonic melody in the patients with atony respectively. The results showed that, The results of this study suggest that the dyslexic music processing disorder is not only due to the difficulty of their perception of music pitch, but also to their ability to distinguish and memorize the tonality and anatonic melodies, and the results of the present study suggest that the difficulty of their perception of the pitch of music is not the only reason for the difficulty of their musical processing. And because of their barriers to tonal processing.
【学位授予单位】：上海师范大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：J616

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