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Fanny Meunier

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titre
Theta activity and phase resetting during perception of French homophonous utterances
auteur
Noelia Do Carmo Blanco, Michel Hoen, Elsa Spinelli, Fanny Meunier
article
Language, Cognition and Neuroscience, Taylor and Francis, In press, ⟨10.1080/23273798.2021.1950786⟩
annee_publi
2022
resume
Speech perception involves segmenting a continuous stream of speech into its word components. This can be challenging in the case of homophonous utterances only differing in non-contrastive subphonemic features. Yet, the speech perception system seems able to discriminate subphonemic deviation in homophonous utterances, since it has been shown to elicit a mismatch response (MMN). Here, we focused on the oscillatory correlates, namely phase resetting and power, of non-contrastive subphonemic deviation processing in language. An oddball task that considered natural intraspeaker variability was used. Subphonemic deviance elicited intertrial phase coherence (ITC) differences in the theta band at Fz during the time window of the MMN. No differences in power were found. This suggests that the processing of subphonemic deviation in speech signals, reflected by the MMN, might rely on mechanisms of phase resetting. ITC might facilitate the synchronous firing of functional networks involved in the processing of subphonemic deviance
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https://hal.univ-grenoble-alpes.fr/hal-03348382/file/tf_MMN_HAL.pdf BibTex
titre
Acoustic and semantic processes during speech segmentation in French
auteur
Mar Cordero-Rull, Stéphane Pota, Elsa Spinelli, Fanny Meunier
article
12th International Conference of Experimental Linguistics, Oct 2021, Athènes, France. ⟨10.36505/ExLing-2021/12/0014/000487⟩
annee_publi
2021
resume
We designed two experiments that tested the listeners' perceptual capacities during online segmentation of homophonic word boundaries while processing sentential information. In French, listeners often use variations in fine acoustic indices to detect word beginnings. We measured event-related potentials (ERPs) evoked by phonemically identical sequences, such as l'affiche ("the poster") and la fiche ("the sheet"), both [lafiʃ], which were contained in either congruent or incongruent sentences. Results showed that although listeners can detect acoustic variations in homophonic sequences, these may not be salient enough when contextual information is also present. Shifting attention from sentence meaning (Task 1) to lexical information (Task 2), enhanced the listeners' perception of fine-grained acoustic details. Thus, topdown processes are likely to modulate speech perception and segmentation.
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https://hal.archives-ouvertes.fr/hal-03508038/file/12_0014_000487.pdf BibTex
titre
The Dawn of the Human-Machine Era: A forecast of new and emerging language technologies.
auteur
Dave Sayers, Rui Sousa-Silva, Sviatlana Höhn, Lule Ahmedi, Kais Allkivi-Metsoja, Dimitra Anastasiou, Štefan Beňuš, Lynne Bowker, Eliot Bytyçi, Alejandro Catala, Anila Çepani, Rubén Chacón-Beltrán, Sami Dadi, Fisnik Dalipi, Vladimir Despotovic, Agnieszka Doczekalska, Sebastian Drude, Karën Fort, Robert Fuchs, Christian Galinski, Federico Gobbo, Tunga Gungor, Siwen Guo, Klaus Höckner, Petralea Láncos, Tomer Libal, Tommi Jantunen, Dewi Jones, Blanka Klimova, Eminerkan Korkmaz, Sepesy Maučec Mirjam, Miguel Melo, Fanny Meunier, Bettina Migge, Barbu Mititelu Verginica, Aurélie Névéol, Arianna Rossi, Antonio Pareja-Lora, Christina Sanchez-Stockhammer, Aysel Şahin, Angela Soltan, Claudia Soria, Sarang Shaikh, Marco Turchi, Sule Yildirim Yayilgan
article
2021
annee_publi
2021
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Autre publication
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https://hal.archives-ouvertes.fr/hal-03230287/file/The%20Forecast%20report%202021%20%28May%2019%2008.28%29.pdf BibTex
titre
Influence of homophone processing during auditory language comprehension on executive control processes: A dual-task paradigm
auteur
Samuel El Bouzaïdi Tiali, Elsa Spinelli, Fanny Meunier, Richard Palluel-Germain, Marcela Perrone-Bertolotti
article
PLoS ONE, Public Library of Science, 2021, 16 (7), pp.e0254237. ⟨10.1371/journal.pone.0254237⟩
annee_publi
2021
resume
In the present preregistered study, we evaluated the possibility of a shared cognitive mechanism during verbal and non-verbal tasks and therefore the implication of domain-general cognitive control during language comprehension. We hypothesized that a behavioral cost will be observed during a dual-task including both verbal and non-verbal difficult processing. Specifically, to test this claim, we designed a dual-task paradigm involving: an auditory language comprehension task (sentence comprehension) and a non-verbal Flanker task (including congruent and incongruent trials). We manipulated sentence ambiguity and evaluated if the ambiguity effect modified behavioral performances in the non-verbal Flanker task. Under the assumption that ambiguous sentences induce a more difficult process than unambiguous sentences, we expected non-verbal flanker task performances to be impaired only when a simultaneous difficult language processing is performed. This would be specifically reflected by a performance cost during incongruent Flanker items only during ambiguous sentence presentation. Conversely, we observed a facilitatory effect for the incongruent Flanker items during ambiguous sentence suggesting better non-verbal inhibitory performances when an ambiguous sentence was simultaneously processed. Exploratory data analysis suggests that this effect is not only related to a more difficult language processing but also to the previous ( n-1 ) Flanker item. Indeed, results showed that incongruent n-1 Flanker items led to a facilitation of the incongruent synchronized Flanker items only when ambiguous sentences were conjointly presented. This result, even if it needs to be corroborated in future studies, suggests that the recruitment of executive control mechanisms facilitates subsequent executive control implication during difficult language processing. The present study suggests a common executive control mechanism during difficult verbal and non-verbal tasks.
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https://hal.univ-grenoble-alpes.fr/hal-03344842/file/ElBuzaidiThialietal2021_Plos.pdf BibTex
titre
Electrophysiological differences in older and younger adults’ anaphoric but not cataphoric pronoun processing in the absence of age-related behavioural slowdown
auteur
Seçkin Arslan, Katerina Palasis, Fanny Meunier
article
Scientific Reports, Nature Publishing Group, 2020, 10 (1), ⟨10.1038/s41598-020-75550-3⟩
annee_publi
2020
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titre
Categorization of Whistled Consonants by French Speakers
auteur
Anaïs Tran Ngoc, Julien Meyer, Fanny Meunier
article
Interspeech 2020 - 21st Annual Conference of the International Speech Communication Association, Oct 2020, Shanghai (Virtual Conf), China. pp.1600-1604, ⟨10.21437/Interspeech.2020-2683⟩
annee_publi
2020
resume
Whistled speech is a form of modified speech where some frequencies of vowels and consonants are augmented and transposed to whistling, modifying the timbre and the construction of each phoneme. These transformations cause only some elements of the signal to be intelligible for naive listeners, which, according to previous studies, includes vowel recognition. Here, we analyze naive listeners’ capacities for whistled consonant categorization for four consonants: /p/, /k/, /t/ and /s/ by presenting the findings of two behavioral experiments. Though both experiments measure whistled consonant categorization, we used modified frequencies — lowered with a phase vocoder — of the whistled stimuli in the second experiment to better identify the relative nature of pitch cues employed in this process. Results show that participants obtained approximately 50% of correct responses (when chance is at 25%). These findings show specific consonant preferences for “s” and “t” over “k” and “p”, specifically when stimuli is unmodified. Previous research on whistled consonants systems has often opposed “s” and “t” to “k” and “p”, due to their strong pitch modulations. The preference for these two consonants underlines the importance of these cues in phoneme processing.
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titre
Whistled Vowel Identification by French Listeners
auteur
Anaïs Tran Ngoc, Julien Meyer, Fanny Meunier
article
Interspeech 2020 - 21st Annual Conference of the International Speech Communication Association, Oct 2020, Shanghai (Virtual Conf), China. pp.1605-1609, ⟨10.21437/Interspeech.2020-2697⟩
annee_publi
2020
resume
In this paper, we analyzed whistled vowel categorization by native French listeners. Whistled speech, a natural, yet modified register of speech, is used here as a tool to investigate perceptual processes in languages. We focused on four whistled vowels: /i, e, a, o/. After a detailed description of the vowels, we built and ran a behavioral experiment in which we asked native French speakers to categorize whistled vowel stimuli in which we introduced intra- and inter- production variations. In addition, half of the participants performed the experiment in person (at the laboratory) while the other half participated online, allowing us to evaluate the impact of the testing set up. Our results confirm that the categorization rate of whistled vowels is above chance. They reveal significant differences in performance for different vowels and suggest an influence of certain acoustic parameters from the whistlers’ vowel range on categorization. Moreover, no effect or interaction was found for testing location and circumstances in our data set. This study confirms that whistled stimuli are a useful tool for studying how listeners process modified speech and which parameters impact sound categorization.
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titre
Categorization of Whistled Consonants by French Speakers
auteur
Anaïs Tran Ngoc, Julien Meyer, Fanny Meunier
article
Interspeech 2020, Oct 2020, Shanghai, France. pp.1600-1604, ⟨10.21437/Interspeech.2020-2683⟩
annee_publi
2020
resume
Whistled speech is a form ofmodified speechwheresomefrequencies ofvowelsand consonants areaugmentedandtransposed to whistling,modifying thetimbre andtheconstruction of eachphoneme.Thesetransformationscauseonly some elementsofthe signalto beintelligiblefornaivelisteners,which, according to previous studies, includesvowelrecognition.Here, we analyzenaivelisteners’ capacitiesforwhistled consonant categorization for four consonants: /p/, /k/,/t/ and /s/bypresentingthefindings oftwobehavioralexperiments. Though both experiments measurewhistledconsonant categorization,we used modifiedfrequencies-lowered with a phase vocoder-of the whistled stimuli in thesecond experimentto better identify therelative nature of pitchcues employed in this process.Results show thatparticipantsobtainedapproximately50% of correct responses(when chanceis at 25%).These findingsshowspecificconsonant preferencesfor “s” and “t”over“k” and “p”,specifically whenstimuli isunmodified.Previous research on whistled consonantssystemshas often opposed “s” and “t” to “k” and “p”,due to theirstrongpitch modulations. The preference for these two consonantsunderlines theimportanceof these cues in phonemeprocessing.
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titre
F0 Slope and Mean: Cues to Speech Segmentation in French
auteur
Maria del Mar Cordero Rull, Fanny Meunier, Nicolas Grimault, Stéphane Pota, Elsa Spinelli
article
Interspeech 2020, Oct 2020, Shanghai, China. pp.1610-1614, ⟨10.21437/Interspeech.2020-2509⟩
annee_publi
2020
resume
his paper evaluates the use of intonational cues during word segmentation in French. Specifically, we aim to examine how the characteristicsof the fundamental frequency (F0)that can be observed at the beginning of wordsinfluence theirprocessing. Native speakers of French were presented with phonemically identical sequences, such as /selami/ (c’est l’amie/la mie“it’s the friend/the crumb”). To test which propertiesof the F0 affect the perceived segmentation,we manipulated the F0 slope and/or the mean value of the first vowel /a/ in consonant-initial items(e.g., lamie). To assess differences in off-line vs online processing, we used a two-alternative,forced-choice task in Experiment 1 and a lexical decision task in Experiment2. A previous study showed that vowel-initial segmentation was enhanced when the F0 mean value increased. However, the present study shows that modifying the F0 slope while keeping the F0 mean value constantalso influencesspeech segmentation in both off-line and online tasks. This suggests that listeners usethe F0 slope as a cue atthe beginning of content words.
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titre
Homophonic speech sequences in French: The role of acoustic and contextual cues for disambiguation
auteur
Maria del Mar Cordero Rull, Damien Vistoli, Stéphane Pota, Elsa Spinelli, Fanny Meunier
article
Conference of the Society for the Neurobiology of Language (SNL 2020), Oct 2020, Philadelphia, United States
annee_publi
2020
resume
Despite the lack of clear word boundaries in spoken language, the human ability to recognize speech seems to be effortless. Listeners divide continuous speech into linguistically and psychologically significant units to access meaning. Speech segmentation has been proven to be affected by both the listeners’ sensitivity to acoustic cues and sub-phonemic properties (Davis et al. 2002; Mattys, 2004), and contextual information and lexical competition (Norris, 1994; Dahan & Brent, 1999). Fine acoustic details can influence word boundaries perception (Friederici & Wessels, 1993; Davis et al, 2002), particularly when contextual information is insufficient (Mattys et al. 2005). Yet, it remains unclear how low-level signals can affect higher-order information, i.e., how the speech recognition system reacts when exposed to unmatched acoustic and sentential information. We aimed to investigate the cost of mismatching the fine acoustic cues of the speech signal during sentence processing. More precisely, we wanted to explore whether and how such fine acoustic details affect semantic processing. In the present experiment, we recorded French sentences containing homophonic sequences, article+noun combinations that can be segmented differently, such as “l’affiche” (“the poster”) and “la fiche” (“the sheet”), both pronounced /lɑfiʃ/. We recorded the Event-Related brain Potentials (ERPs) to three different conditions: baseline, congruent, and incongruent, each of which comprised 46 sentences. To avoid differences, congruent and incongruent sentences were created by cross-splicing the article-noun sequences within sentences. For example, two meaningful sentences were selected for the pair “la fiche”-“l’affiche”: (1) “La secrétaire médicale a perdu la fiche du patient” (“The medical secretary lost the patient's chart”) and (2) “Le Théâtre National a choisi l'affiche du spectacle” (“The National Theatre has chosen the poster for the show”). We extracted “l’affiche” from (2) and placed it in (1), generating the incongruent (3) “La secrétaire médicale a perdu l’affiche du patient”. A similar manipulation was done for the congruent condition: we swapped the two “la fiche” from (1) and (4) “Le comptable rempli la fiche de ses employés” (“The accountant fills out his employee chart”). While sentences were not highly predictable, the congruent homophone choice was consistently more predictable than the incongruent. EEG data were acquired using Curry 8.0 XS software (Neuroscan SynAmps 2/RT; 64-electrode Quik-Cap Neo Net, adjusted to the International 10/20 standard system). We used EEGLAB toolbox (Delorme & Makeig, 2004) for offline analyses. Epochs were extracted from -200 to 1100 ms after stimulus onset, with a baseline period of -200 to 0 ms. Sources for each independent component were evaluated with ICLabel plugin (Pion-Tonachini et al., 2017). To assess for semantic processing differences, we focused our preliminary analyses on the N400 component and found a statistically significant effect of topographical distribution in our regions of interest (ROI) and an effect of interaction between conditions and ROIs. Topographic analyses revealed mean amplitude significant differences between frontal and parietal brain regions, suggesting the presence of an N400-like component in central to parietal sides. This would suggest that listeners consider fine acoustic cues when challenged with mismatching acoustic and sentential information.
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