Pre-attentive detection of vowel contrasts utilizes both phonetic and auditory memory representations

被引：160

作者：

Winkler, I

Lehtokoski, A

Alku, P

Vainio, M

Czigler, I

Csépe, V

Aaltonen, O

Raimo, I

Alho, K

Lang, H

Iivonen, A

Näätänen, R

机构：

[1] Institute for Psychology, Hung. Acad. Sci., H-1394 P.O. B., Budapest

[2] Cognitive Brain Research Unit, Dept. of Psychol., Univ. of Helsinki, Helsinki

[3] Department of Applied Physics, Electronics, Info. Technol., U., Turku

[4] Acoustics Laboratory, Helsinki University of Technology, Helsinki

[5] Department of Phonetics, University of Helsinki, Helsinki

[6] Department of Phonetics, University of Turku, Turku

[7] Dept. of Clinical Neurophysiology, University of Turku, Turku

[8] BioMag Laboratory, Helsinki University Central Hospital, Helsinki

来源：

COGNITIVE BRAIN RESEARCH | 1999年 / 7卷 / 03期

基金：

芬兰科学院; 匈牙利科学研究基金会;

关键词：

D O I：

10.1016/S0926-6410(98)00039-1

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

Event-related brain potentials (ERP) were recorded to infrequent changes of a synthesized vowel (standard) to another vowel (deviant) in speakers of Hungarian and Finnish language, which are remotely related to each other with rather similar vowel systems. Both language groups were presented with identical stimuli. One standard-deviant pair represented an across-vowel category contrast in Hungarian, but a within-category contrast in Finnish, with the other pair having the reversed role in the two languages. Both within- and across-category contrasts elicited the mismatch negativity (MMN) ERP component in the native speakers of either language. The MMN amplitude was larger in across- than within-category contrasts in both language groups. These results suggest that the pre-attentive change-detection process generating the MMN utilized both auditory (sensory) and phonetic (categorical) representations of the test vowels.

引用

页码：357 / 369

页数：13

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