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Integrating when and what information in the left parietal lobe allows language rule generalization
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Integrating when and what information in the left parietal lobe allows language rule generalization
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In: PLoS Biol (2020)
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Searching High and Low: Prosodic Breaks Disambiguate Relative Clauses
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The interplay between semantic and phonological constraints during spoken-word comprehension
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In: ISSN: 0048-5772 ; EISSN: 1469-8986 ; Psychophysiology ; https://hal.univ-lille.fr/hal-01911767 ; Psychophysiology, Wiley, 2015, 52 (1), pp.46--58. ⟨10.1111/psyp.12285⟩ (2015)
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Synchronization by the hand: the sight of gestures modulates low-frequency activity in brain responses to continuous speech
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Beat gestures and speech processing: when prosody extends to the speaker's hands
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In: TDX (Tesis Doctorals en Xarxa) (2015)
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Abstract:
Speakers naturally accompany their speech with hand gestures and extend the auditory prosody to visual modality through rapid beat gestures that help them to structure their narrative and emphasize relevant information. The present thesis aimed to investigate beat gestures and their neural correlates on the listener’s side. We developed a naturalistic approach combining political discourse presentations with neuroimaging techniques (ERPs, EEG and fMRI) and behavioral measures. The main findings of the thesis first revealed that beat-speech processing engaged language-related areas, suggesting that gestures and auditory speech are part of the same language system. Second, the presence of beats modulated the auditory processing of affiliated words around their onsets and later at phonological stages. We concluded that listeners perceive beats as visual prosody and rely on their predictive value to anticipate relevant acoustic cues of their corresponding words, engaging local attentional processes. ; Los gestos acompañan de manera natural el discurso de los hablantes, de esta manera, la prosodia auditiva se traslada también a la modalidad visual a través de los gestos rítmicos que ayudan al hablante a estructurar el mensaje y a enfatizar la información relevante. El objetivo principal de esta tesis fue la investigación de la percepción de los gestos rítmicos y la actividad neuronal relacionada con estos. Esta se desarrolló con un enfoque naturalístico combinando la presentación de discursos políticos con técnicas de neuroimagen (ERPs, EEG y fMRI) y medidas conductuales. Sus principales hallazgos fueron, primero, que el procesado conjunto del habla y gestos rítmicos involucraron áreas relacionadas con el lenguaje, esto sugiere que los gestos y el habla forman parte de un único sistema del lenguaje. Segundo, que los gestos rítmicos modulan el procesamiento de las palabras a las que acompañan tanto en el momento de su pronunciación como en etapas posteriores. Concluimos que los oyentes perciben los gestos rítmicos como parte de la prosodia visual y utilizan su valor predictivo para anticipar la señal acústica de la palabra a la que preceden a través de procesos locales de atención.
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Keyword:
81; AV speech; Beat gestures; Discurso audiovisual; ERPs; fMRI; Gestos rítmicos; Oscilaciones; Oscillations
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URL: http://hdl.handle.net/10803/325429
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Effect of attentional load on audiovisual speech perception: evidence from ERPs
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Effect of attentional load on audiovisual speech perception: evidence from ERPs
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Neural correlates of audiovisual speech processing in a second language
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Visual information constrains early and late stages of spoken-word recognition in sentence context
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In: ISSN: 0167-8760 ; International Journal of Psychophysiology ; https://hal.univ-lille.fr/hal-01911769 ; International Journal of Psychophysiology, Elsevier, 2013, 89 (1), pp.136--147. ⟨10.1016/j.ijpsycho.2013.06.016⟩ (2013)
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Cross-modal predictive mechanisms during speech perception
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In: TDX (Tesis Doctorals en Xarxa) (2013)
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Perceptual load influences auditory space perception in the ventriloquist aftereffect
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