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1
A Bayesian optimization approach for rapidly mapping residual network function in stroke. ...
Lorenz, Romy; Johal, Michelle; Dick, Frederic. - : Apollo - University of Cambridge Repository, 2021
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2
A Bayesian optimization approach for rapidly mapping residual network function in stroke
In: Brain (2021)
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3
A Bayesian optimization approach for rapidly mapping residual network function in stroke.
Lorenz, Romy; Johal, Michelle; Dick, Frederic. - : Oxford University Press (OUP), 2021. : Brain, 2021
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4
The Multidimensional Battery of Prosody Perception (MBOPP)
In: Wellcome Open Res (2021)
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5
Altered functional connectivity during speech perception in Congenital Amusia
Tierney, Adam; Dick, Frederic; Stewart, Lauren. - : eLife Sciences Publications, Ltd, 2020
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6
Altered functional connectivity during speech perception in congenital amusia ...
Jasmin, Kyle; Dick, Frederic; Stewart, Lauren. - : Birkbeck College, University of London, 2020
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7
Altered functional connectivity during speech perception in congenital amusia
In: eLife (2020)
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8
Tailored perception: individuals’ speech and music perception strategies fit their perceptual abilities
Dick, Frederic; Tierney, Adam; Jasmin, Kyle. - : American Psychological Association, 2019
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9
Speech-in-speech perception, non-verbal selective attention, and musical training
Tierney, Adam; Dick, Frederic; Rosen, S.. - : American Psychological Association, 2019
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10
Multidimensional Battery of Prosody Perception ...
Jasmin, Kyle; Dick, Frederic; Tierney, Adam. - : Birkbeck College, University of London, 2019
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11
What underlies the emergence of stimulus- and domain-specific neural responses? Commentary on Hernandez, Claussenius-Kalman, Ronderos, Castilla-Earls, Sun, Weiss, & Young (2018)
Dick, Frederic; Krishnan, S.. - : Elsevier, 2018
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12
Dimension-selective attention as a possible driver of dynamic, context-dependent re-weighting in speech processing
Dick, Frederic; Tierney, Adam; Guerra, G.. - : Elsevier, 2018
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13
Neural representation of vowel formants in tonotopic auditory cortex
Fisher, J.; Dick, Frederic; Levy, D.; Wilson, S.. - : Elsevier, 2018
Abstract: Speech sounds are encoded by distributed patterns of activity in bilateral superior temporal cortex. However, it is unclear whether speech sounds are topographically represented in cortex, or which acoustic or phonetic dimensions might be spatially mapped. Here, using functional MRI, we investigated the potential spatial representation of vowels, which are largely distinguished from one another by the frequencies of their first and second formants, i.e. peaks in their frequency spectra. This allowed us to generate clear hypotheses about the representation of specific vowels in tonotopic regions of auditory cortex. We scanned participants as they listened to multiple natural tokens of the vowels [ɑ] and [i], which we selected because their first and second formants overlap minimally. Formant-based regions of interest were defined for each vowel based on spectral analysis of the vowel stimuli and independently acquired tonotopic maps for each participant. We found that perception of [ɑ] and [i] yielded differential activation of tonotopic regions corresponding to formants of [ɑ] and [i], such that each vowel was associated with increased signal in tonotopic regions corresponding to its own formants. This pattern was observed in Heschl’s gyrus and the superior temporal gyrus, in both hemispheres, and for both the first and second formants. Using linear discriminant analysis of mean signal change in formant-based regions of interest, the identity of untrained vowels was predicted with ~73% accuracy. Our findings show that cortical encoding of vowels is scaffolded on tonotopy, a fundamental organizing principle of auditory cortex that is not language-specific.
Keyword: Psychological Sciences
URL: https://doi.org/10.1016/j.neuroimage.2018.05.072
https://eprints.bbk.ac.uk/id/eprint/22721/1/WilsonEtAl2018-NeuroImage.pdf
https://eprints.bbk.ac.uk/id/eprint/22721/
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14
Dimension-selective attention as a possible driver of dynamic, context-dependent re-weighting in speech processing
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15
Neural representation of vowel formants in tonotopic auditory cortex
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16
Fractionating nonword repetition: the contributions of short-term memory and oromotor praxis are different
Carey, Daniel; Karmiloff-Smith, Annette; Krishnan, Saloni. - : Public Library of Science, 2017
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17
Functional and quantitative MRI mapping of somatomotor representations of human supralaryngeal vocal tract
Carey, Daniel; Krishnan, Saloni; Callaghan, M.F.. - : Oxford Journals, 2017
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18
Fractionating nonword repetition:The contributions of short-term memory and oromotor praxis are different
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19
Fractionating nonword repetition: The contributions of short-term memory and oromotor praxis are different
Krishnan, Saloni; Alcock, Katherine J.; Carey, Daniel. - : Public Library of Science, 2017
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20
Functional and Quantitative MRI Mapping of Somatomotor Representations of Human Supralaryngeal Vocal Tract
Carey, Daniel; Krishnan, Saloni; Callaghan, Martina F.. - : Oxford University Press, 2017
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