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'The object of sense and experiment' : the ontology of sensation in William Hunter's investigation of the human gravid uterus
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A classroom intervention targeting working memory, attention and language skills: a cluster randomised feasibility trial
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Taking turns : bridging the gap between human and animal communication
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Investigating the effects of handedness on the consistency of lateralization for speech production and semantic processing tasks using functional transcranial Doppler sonography
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Age-related effects on lexical, but not syntactic, processes during sentence production
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Functional Foreign Accent Syndrome in suspected Conversion Disorder: A case study
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Hippocampal subfield volumes are nonspecifically reduced in premature‐born adults
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Re-constraining massive pied-piping: An argument for non-interrogative CPs
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In: Proceedings of the Linguistic Society of America; Vol 5, No 1 (2020): Proceedings of the Linguistic Society of America; 573–583 ; 2473-8689 (2020)
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The neuronal migration hypothesis of dyslexia : a critical evaluation 30 years on
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EEG oscillations during word processing predict MCI conversion to Alzheimer's disease
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In favor of the phonemic principle: a review of neurophysiological and neuroimaging explorations into the neural correlates of phonological competence
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Using video based technology to enhance perceptual-cognitive skills across sports
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Dyslexia risk gene relates to representation of sound in the auditory brainstem
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An exploration of teachers’ voice problems and their possible solution
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Individual differences in cortisol stress response predict increases in voice pitch during exam stress
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Abstract:
Despite a long history of empirical research, the potential vocal markers of stress remain unclear. Previous studies examining speech under stress most consistently report an increase in voice pitch (the acoustic correlate of fundamental frequency, F0), however numerous studies have failed to replicate this finding. In the present study we tested the prediction that these inconsistencies are tied to variation in the severity of the stress response, wherein voice changes may be observed predominantly among individuals who show a cortisol stress response (i.e., an increase in free cortisol levels) above a critical threshold. Voice recordings and saliva samples were collected from university psychology students at baseline and again immediately prior to an oral examination. Voice recordings included both read and spontaneous speech, from which we measured mean, minimum, maximum, and the standard deviation in F0. We observed an increase in mean and minimum F0 under stress in both read and spontaneous speech, whereas maximum F0 and its standard deviation showed no systematic changes under stress. Our results confirmed that free cortisol levels increased by an average of 74% (ranging from 0 to 270%) under stress. Critically, increases in cortisol concentrations significantly predicted increases in mean F0 under stress for both speech types, but did not predict variation in F0 at baseline. On average, stress induced increases in voice pitch occurred only when free cortisol levels more than doubled their baseline concentrations. Our results suggest that researchers examining speech under stress should control for individual differences in the magnitude of the stress response.
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Keyword:
BF0176 Psychological tests and testing; P0099.5 Nonverbal communication; QP Physiology; QP0361 Nervous system
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URL: http://sro.sussex.ac.uk/id/eprint/61655/ http://authors.elsevier.com/a/1T4BZ7GmzzLcf http://sro.sussex.ac.uk/id/eprint/61655/1/Pisanski%20et%20al%202016%20Physiol%20%26%20Beh%20SRO.pdf
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From Gesture to Speech
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In: BIOLINGUISTICS; Vol. 6 No. 3-4 (2012); 338-353 ; 1450-3417 (2012)
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