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1
Task-Modulated Corticocortical Synchrony in the Cognitive-Motor Network Supporting Handwriting
Saarinen, Timo; Kujala, Jan; Laaksonen, Hannu. - : Oxford University Press, 2020
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2
Phase Coupling in a Cerebro-Cerebellar Network at 8-13 Hz during Reading
In: Cerebral Cortex (2015)
Abstract: Words forming a continuous story were presented to 9 subjects at frequencies ranging from 5 to 30 Hz, determined individually to render comprehension easy, effortful, or practically impossible. We identified a left-hemisphere neural network sensitive to reading performance directly from the time courses of activation in the brain, derived from magnetoencephalography data. Regardless of the stimulus rate, communication within the long-range neural network occurred at a frequency of 8-13 Hz. Our coherence-based detection of interconnected nodes reproduced several brain regions that have been previously reported as active in reading tasks, based on traditional contrast estimates. Intriguingly, the face motor cortex and the cerebellum, typically associated with speech production, and the orbitofrontal cortex, linked to visual recognition and working memory, additionally emerged as densely connected components of the network. The left inferior occipitotemporal cortex, involved in early letter-string or word-specific processing, and the cerebellum turned out to be the main forward driving nodes of the network. Synchronization within a subset of nodes formed by the left occipitotemporal, the left superior temporal, and orbitofrontal cortex was increased with the subjects' effort to comprehend the text. Our results link long-range neural synchronization and directionality with cognitive performance.
Keyword: article; behavioral science; brain cortex; brain depth stimulation; brain region; cerebellum cortex; cognition; Coherence; Connectivity; cortical synchronization; female; human; interpersonal communication; Keywords: adult; Language; left hemisphere; magnetoencephalography; male; motor cortex; nerve Causality; Synchronization
URL: http://hdl.handle.net/1885/32207
https://doi.org/10.1093/cercor/bhl059
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3
Phase Coupling in a Cerebro-Cerebellar Network at 8-13 Hz during Reading
In: Cerebral Cortex (2015)
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4
Dynamic Reconfiguration of the Language Network Preceding Onset of Speech in Picture Naming
Liljeström, Mia; Kujala, Jan; Stevenson, Claire. - : BlackWell Publishing Ltd, 2015
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5
Neural Interactions at the Core of Phonological and Semantic Priming of Written Words
Kujala, Jan; Vartiainen, Johanna; Laaksonen, Hannu. - : Oxford University Press, 2012
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6
Corticomuscular Coherence Is Tuned to the Spontaneous Rhythmicity of Speech at 2–3 Hz
Ruspantini, Irene; Saarinen, Timo; Belardinelli, Paolo. - : Society for Neuroscience, 2012
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7
Neural Interactions at the Core of Phonological and Semantic Priming of Written Words
Kujala, Jan; Vartiainen, Johanna; Laaksonen, Hannu. - : Oxford University Press, 2011
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8
Noninvasive functional tomographic connectivity analysis with magnetoencephalography
In: MEG (Oxford, 2010), p. 216-244
MPI für Psycholinguistik
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9
Phase Coupling in a Cerebro-Cerebellar Network at 8-13 Hz during Reading
Kujala, Jan; Pammer, Kristen; Cornelissen, Piers. - : Oxford University Press, 2007
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10
Phase Coupling in a Cerebro-Cerebellar Network at 8-13 Hz during Reading
Kujala, Jan; Pammer, Kristen; Cornelissen, Piers. - : Oxford University Press, 2006
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