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The role of motion and intensity in deaf children’s recognition of real human facial expressions of emotion
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Tinctorial Cartographies: Plant, Dye & Place
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In: Textile Society of America Symposium Proceedings (2018)
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The role of motion and intensity in deaf children’s recognition of real human facial expressions of emotion ...
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The role of motion and intensity in deaf children’s recognition of real human facial expressions of emotion ...
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Confronting the language barrier : Theory of mind in deaf children
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Auditory comprehension: from the voice up to the single word level
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Hemispheric association and dissociation of voice and speech information processing in stroke
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In: ISSN: 0010-9452 ; Cortex ; https://hal-amu.archives-ouvertes.fr/hal-01997402 ; Cortex, Elsevier, 2015 (2015)
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Deaf children's non-verbal working memory is impacted by their language experience
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Behavioral evidence of a dissociation between voice gender categorization and phoneme categorization using auditory morphed stimuli
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In: ISSN: 1664-1078 ; Frontiers in Psychology ; https://hal-amu.archives-ouvertes.fr/hal-02008801 ; Frontiers in Psychology, Frontiers, 2014, 4, ⟨10.3389/fpsyg.2013.01018⟩ (2014)
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Abstract:
International audience ; Both voice gender perception and speech perception rely on neuronal populations located in the peri-sylvian areas. However, whilst functional imaging studies suggest a left vs. right hemisphere and anterior vs. posterior dissociation between voice and speech categorization, psycholinguistic studies on talker variability suggest that these two processes share common mechanisms. In this study, we investigated the categorical perception of voice gender (male vs. female) and phonemes (/pa/ vs. /ta/) using the same stimulus continua generated by morphing. This allowed the investigation of behavioral differences while controlling acoustic characteristics, since the same stimuli were used in both tasks. Despite a higher acoustic dissimilarity between items during the phoneme categorization task (a male and female voice producing the same phonemes) than the gender task (the same person producing 2 phonemes), results showed that speech information is being processed much faster than voice information. In addition, f0 or timbre equalization did not affect RT, which disagrees with the classical psycholinguistic models in which voice information is stripped away or normalized to access phonetic content. Also, despite similar average response (percentages) and perceptual (d') curves, a reverse correlation analysis on acoustic features revealed that only the vowel formant frequencies distinguish stimuli in the gender task, whilst, as expected, the formant frequencies of the consonant distinguished stimuli in the phoneme task. The 2nd set of results thus also disagrees with models postulating that the same acoustic information is used for voice and speech. Altogether these results suggest that voice gender categorization and phoneme categorization are dissociated at an early stage on the basis of different enhanced acoustic features that are diagnostic to the task at hand.
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Keyword:
[SDV.NEU.NB]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Neurobiology; [SDV.NEU.SC]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Cognitive Sciences; categorical perception; phonemes; reverse correlation; RT; voice gender
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URL: https://hal-amu.archives-ouvertes.fr/hal-02008801 https://hal-amu.archives-ouvertes.fr/hal-02008801/file/fpsyg-04-01018.pdf https://doi.org/10.3389/fpsyg.2013.01018 https://hal-amu.archives-ouvertes.fr/hal-02008801/document
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Behavioral evidence of a dissociation between voice gender categorization and phoneme categorization using auditory morphed stimuli
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Critical thinking, culture and context: an investigation of teaching and learning in introductory macroeconomics
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Emotion production of facial expressions: A comparison of deaf and hearing children
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