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1
Imagined speech can be decoded from low- and cross-frequency intracranial EEG features
In: Nat Commun (2022)
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2
Spectrotemporal modulation provides a unifying framework for auditory cortical asymmetries
Abstract: The principles underlying functional asymmetries in cortex remain debated. For example, it is accepted that speech is processed bilaterally in auditory cortex, but a left hemisphere dominance emerges when the input is interpreted linguistically. The mechanisms, however, are contested: what sound features or processing principles underlie laterality? Recent findings across species (humans, canines, bats) provide converging evidence that spectrotemporal sound features drive asymmetrical responses. Typically, accounts invoke models wherein the hemispheres differ in time-frequency resolution or integration window size. We develop a framework that builds on and unifies prevailing models, using spectrotemporal modulation space. Using signal processing techniques motivated by neural responses, we test this approach employing behavioral and neurophysiological measures. We show how psychophysical judgments align with spectrotemporal modulations and then characterize the neural sensitivities to temporal and spectral modulations. We demonstrate differential contributions from both hemispheres, with a left lateralization for temporal modulations and a weaker right lateralization for spectral modulations. We argue that representations in the modulation domain provide a more mechanistic basis to account for lateralization in auditory cortex.
Keyword: Article
URL: http://www.ncbi.nlm.nih.gov/pubmed/30971792
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6650286/
https://doi.org/10.1038/s41562-019-0548-z
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3
Spontaneous synchronization to speech reveals neural mechanisms facilitating language learning
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4
Rule-based and Word-level Statistics-based Processing of Language: Insights from Neuroscience
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5
Multiple levels of linguistic and paralinguistic features contribute to voice recognition
Mary Zarate, Jean; Tian, Xing; Woods, Kevin J. P.. - : Nature Publishing Group, 2015
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6
The effects of selective attention and speech acoustics on neural speech-tracking in a multi-talker scene
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7
Dynamics of Self-monitoring and Error Detection in Speech Production: Evidence from Mental Imagery and MEG
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8
The Neural Bases of Taxonomic and Thematic Conceptual Relations: An MEG Study
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9
Cortical Tracking of Hierarchical Linguistic Structures in Connected Speech
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10
The role of temporal structure in the investigation of sensory memory, auditory scene analysis, and speech perception: A healthy-aging perspective
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11
The role of visual representations during the lexical access of spoken words
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12
The neuroanatomic and neurophysiological infrastructure for speech and language
Poeppel, David. - 2014
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13
Mechanisms Underlying Selective Neuronal Tracking of Attended Speech at a ‘Cocktail Party’
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14
Word–specific repetition effects revealed by MEG and the implications for lexical access
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15
Acoustic landmarks drive delta-theta oscillations to enable speech comprehension by facilitating perceptual parsing
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16
Towards a new neurobiology of language
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17
The maps problem and the mapping problem: Two challenges for a cognitive neuroscience of speech and language
Poeppel, David. - 2012
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18
Evidence for Early Morphological Decomposition: Combining Masked Priming with Magnetoencephalography
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19
Genetics and language: a neurobiological perspective on the missing link (-ing hypotheses)
Poeppel, David. - : Springer US, 2011
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20
What Does the Right Hemisphere Know about Phoneme Categories?
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