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Semantic Referencing - Determining Context Weights for Similarity Measurement
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Listening to disordered speech results in early modulations of auditory event-related potentials
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Abstract:
In the last decade, research on motor speech disorders has increasingly taken into account the bidirectionality between speaker and listener. Listening to disordered speech (e.g., dysarthria) may result in substantial phonemic uncertainty. In turn, a larger set of potential word target candidates may be activated—contributing to intelligibility deficits. To resolve this uncertainty, a combination of both bottom-up and top-down processes are thought to play a role (Liss, 2007). The goal of the present study was to investigate the contribution of these processes by analysing listeners’ neurophysiological processing when listening to dysarthric speech. Thirty healthy native English speakers (12 males, 18-44 years) participated in a speech perception experiment while undergoing 32-channel EEG recording. Similarly to Obleser and Kotz (2011), we focused on the auditory N100 as a marker for earlier sensory processing and the N400- like peak representing information on later cognitive-linguistic processes. Participants listened to 55 moderate hypokinetic dysarthric sentences and 55 control sentences. The experiment was repeated one week later to investigate the effects of repeated exposure to disordered speech. The amplitudes and latencies of the event-related potentials over Cz were analysed. Repeated measures GLM statistics of the N100 with speech type (dysarthria vs. control) and test session as independent variables showed a main effect of speech type, with increased amplitude (Fampl(28)=12.18, p<.01) and decreased latency (Flat(28)=6.77, p=.02) when listening to dysarthric versus control speech. There was no significant main effect of test session or interaction effect. In contrast, no significant effects of speech type and test session were observed on the amplitude of the N400-like peak. For latency, only a significant interaction effect was present (Flat(28)=4.16, p=.05), evidenced by decreased latency for dysarthric sentences during the first test session, and the reverse during the second session. The N100 results show that the quality of the auditory signal in naturally degraded dysarthric speech influences early sensory auditory processing, indicating an increase in the initial allocation of neurophysiological resources (Obleser & Kotz, 2011). The N400 latency results show that later, more cognitive-linguistic processes are not only influenced by the degradation of the signal itself but also by the amount of exposure to that signal, a finding consistent with previous behavioural research on dysarthric speech (Borrie et al., 2012).
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Keyword:
communication and culture::4704 - Linguistics::470410 - Phonetics and speech science; Field of Research::17 - Psychology and Cognitive Sciences::1702 - Cognitive Science::170204 - Linguistic Processes (incl. Speech Production and Comprehension); Fields of Research::47 - Language
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URL: http://hdl.handle.net/10092/13593
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Any Time, Any Place, Flexible Pace: Technology-Enhanced Language Learning in a Teacher Education Programme
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| 87 |
Care across languages ; Language issues in multilingual dementia care: a fast-growing issue.
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Typologie linguistique et description des langues en danger
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Creissels, Denis. - : Paris : Société d'Histoire et d'Épistémologie des Sciences du Langage, 2017. : PERSÉE : Université de Lyon, CNRS & ENS de Lyon, 2017
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Лексико-семантическое поле понятия «conflit» (на материале французской прессы) ; Lexical and Semantic Field of Notion «Conflit» (Based on French Press)
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Revisiting field: specialized knowledge in secondary school science and humanities discourse
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In: Onomázein: Revista de lingüística, filología y traducción de la Pontificia Universidad Católica de Chile, ISSN 0718-5758, Nº. 2, 2017 (Ejemplar dedicado a: Lingüística Sistémico Funcional y Teoría de Códigos de Legitimación sobre educación y conocimiento), pags. 111-148 (2017)
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Notes de terrain sur quelques métiers et leur argot
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In: Langage et société, N 159, 1, 2017-01-25, pp.139-148 (2017)
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Structure et déploiements de l'implicite dans le questionnaire. L'exemple d'une enquête sur l'enfouissement des déchets nucléaires
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In: ISSN: 1308-8378 ; Signes, discours et sociétés ; https://hal.archives-ouvertes.fr/hal-01405539 ; Signes, discours et sociétés, Galatasaray Üniversitesi, 2016, L’implicite : entre préconstruits sémantiques et détermination générique, [9 p.] ; http://revue-signes.gsu.edu.tr/article/-LY-6Yt3R51mJhCAs8rF (2016)
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КОНЦЕПТЫ «TOLERANCE» И «PATIENCE» В ПАРЕМИОЛОГИИ АНГЛИЙСКОГО ЯЗЫКА
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ПАВЛЕНКО ВЕРОНИКА ГЕННАДИЕВНА. - : Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования «Национальный исследовательский Томский государственный университет», 2016
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РЕЗУЛЬТАТЫ ЭКСПЕРИМЕНТА ПО ИССЛЕДОВАНИЮ ГЕНДЕРНЫХ ОСОБЕННОСТЕЙ АССОЦИАТИВНЫХ ПОЛЕЙ «МУЖЧИНА» И «ЖЕНЩИНА» В РУССКОМ И КИТАЙСКОМ ЯЗЫКЕ
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ПИЛЮГИНА НАТАЛЬЯ ЮРЬЕВНА. - : Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования «Владивостокский государственный университет экономики и сервиса», 2016
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МЕТОДОЛОГИЯ И МЕТОДИКА ДИСТАНЦИОННОГО ОБУЧЕНИЯ В НАУЧНО-ПРОФЕССИОНАЛЬНОЙ КОММУНИКАЦИИ (НА ПРИМЕРЕ РАЗРАБОТКИ ДИСТАНЦИОННОГО МАГИСТЕРСКОГО КУРСА ПО ЛИНГВИСТИКЕ)
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ПЕРЕХОД ОТ СЕМАНТИЧЕСКОГО ПОЛЯ К ПОЛЮ ЛИНГВОКУЛЬТУРОЛОГИЧЕСКОМУ («ГОРЕЦ / HIGHLANDER»)
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НЕПОМНЯЩИХ НАТАЛЬЯ МАКСИМОВНА. - : Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования «Российский университет дружбы народов», 2016
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ГЕРМАНИСТИКА И ЗАРУБЕЖНАЯ ЛИТЕРАТУРА НА КАРТЕ ФАКУЛЬТЕТА ИНОСТРАННЫХ ЯЗЫКОВ СГСПУ: ЭТАПЫ РАЗВИТИЯ, ДОСТИЖЕНИЯ, ПЕРСПЕКТИВЫ
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БОРИСОВА ЕЛЕНА БОРИСОВНА. - : Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования «Поволжская государственная социально-гуманитарная академия», 2016
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