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Flexible voices: Identity perception from variable vocal signals.
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Distinct processing of ambiguous speech in people with non-clinical auditory verbal hallucinations
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You talkin' to me? Communicative talker gaze activates left-lateralized superior temporal cortex during perception of degraded speech.
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McGettigan, C; Jasmin, K; Eisner, F; Agnew, ZK; Josephs, OJ; Calder, AJ; Jessop, R; Lawson, RP; Spielmann, M; Scott, SK
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In: Neuropsychologia (2017) (2017)
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Abstract:
Neuroimaging studies of speech perception have consistently indicated a left-hemisphere dominance in the temporal lobes' responses to intelligible auditory speech signals (McGettigan & Scott, 2012). However, there are important communicative cues that cannot be extracted from auditory signals alone, including the direction of the talker's gaze. Previous work has implicated the superior temporal cortices in processing gaze direction, with evidence for predominantly right-lateralized responses (Carlin & Calder, 2013). The aim of the current study was to investigate whether the lateralization of responses to talker gaze differs in an auditory communicative context. Participants in a functional MRI experiment watched and listened to videos of spoken sentences in which the auditory intelligibility and talker gaze direction were manipulated factorially. We observed a left-dominant temporal lobe sensitivity to the talker's gaze direction, in which the left anterior superior temporal sulcus/gyrus and temporal pole showed an enhanced response to direct gaze - further investigation revealed that this pattern of lateralization was modulated by auditory intelligibility. Our results suggest flexibility in the distribution of neural responses to social cues in the face within the context of a challenging speech perception task.
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Keyword:
fMRI; Gaze; laterality; speech comprehension
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URL: http://discovery.ucl.ac.uk/1553015/
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Distinct neural systems recruited when speech production is modulated by different masking sounds
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In: JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA , 140 (1) pp. 8-19. (2016) (2016)
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Getting the Cocktail Party Started: Masking Effects in Speech Perception.
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In: J Cogn Neurosci , 28 (3) pp. 483-500. (2016) (2016)
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Laugh Like You Mean It: Authenticity Modulates Acoustic, Physiological and Perceptual Properties of Laughter
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In: Journal of Nonverbal Behavior , 40 (2) pp. 133-149. (2016) (2016)
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Impaired generalization of speaker identity in the perception of familiar and unfamiliar voices.
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Distinct neural systems recruited when speech production is modulated by different masking sounds.
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Precision of working memory for speech sounds.
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In: Q J Exp Psychol (Hove) 1 - 19. (2015) (2015)
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I thought that I heard you laughing: Contextual facial expressions modulate the perception of authentic laughter and crying.
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In: Cogn Emot , 29 (5) pp. 935-944. (2015) (2015)
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Getting the cocktail party started: masking effects in speech perception
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Lexico-semantic and acoustic-phonetic processes in the perception of noise-vocoded speech: implications for cochlear implantation.
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In: Front Syst Neurosci , 8 , Article 18. (2014) (2014)
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Does musical enrichment enhance the neural coding of syllables? Neuroscientific interventions and the importance of behavioral data.
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In: Front Hum Neurosci , 8 964 - ?. (2014) (2014)
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Exploring the roles of spectral detail and intonation contour in speech intelligibility: an FMRI study.
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In: J Cogn Neurosci , 26 (8) 1748 - 1763. (2014) (2014)
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Does musical enrichment enhance the neural coding of syllables? Neuroscientific interventions and the importance of behavioral data
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In: Frontiers in Human Neuroscience , 8 , Article 964. (2014) (2014)
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Do sentences with unaccusative verbs involve syntactic movement? Evidence from neuroimaging
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In: Language, Cognition and Neuroscience , 29 (9) pp. 1035-1045. (2014) (2014)
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Voluntary and involuntary processes affect the production of verbal and non-verbal signals by the human voice.
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In: Behav Brain Sci , 37 (6) 564 - 565. (2014) (2014)
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Intact but less accessible phonetic representations in adults with dyslexia.
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In: Symplectic Elements at Oxford ; Europe PubMed Central ; PubMed (http://www.ncbi.nlm.nih.gov/pubmed/) ; Web of Science (Lite) (http://apps.webofknowledge.com/summary.do) ; Scopus (http://www.scopus.com/home.url) ; CrossRef ; ORA review team (2013)
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Articulatory movements modulate auditory responses to speech.
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In: Neuroimage , 73 191 - 199. (2013) (2013)
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Do temporal processes underlie left hemisphere dominance in speech perception?
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In: Brain Lang , 127 (1) 36 - 45. (2013) (2013)
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