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1
Moving in Semantic Space in Prodromal and Very Early Alzheimer's Disease: An Item-Level Characterization of the Semantic Fluency Task
In: Front Psychol (2022)
BASE
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2
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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3
Reconstructing meaning from bits of information
Kivisaari, Sasa L.; van Vliet, Marijn; Hultén, Annika. - : Nature Publishing Group UK, 2019
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4
Information properties of morphologically complex words modulate brain activity during word reading
Hakala, Tero; Hultén, Annika; Lehtonen, Minna. - : John Wiley and Sons Inc., 2018
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5
Phase Coupling in a Cerebro-Cerebellar Network at 8-13 Hz during Reading
In: Cerebral Cortex (2015)
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6
Phase Coupling in a Cerebro-Cerebellar Network at 8-13 Hz during Reading
In: Cerebral Cortex (2015)
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7
Distinct Effects of Memory Retrieval and Articulatory Preparation when Learning and Accessing New Word Forms
Nora, Anni; Renvall, Hanna; Kim, Jeong-Young. - : Public Library of Science, 2015
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8
Dynamic Reconfiguration of the Language Network Preceding Onset of Speech in Picture Naming
Liljeström, Mia; Kujala, Jan; Stevenson, Claire; Salmelin, Riitta. - : BlackWell Publishing Ltd, 2015
Abstract: Language production is a complex neural process that requires the interplay between multiple specialized cortical regions. We investigated modulations in large-scale cortical networks underlying preparation for speech production by contrasting cortico-cortical coherence for overt and silent picture naming in an all-to-all connectivity analysis. To capture transient, frequency-specific changes in functional connectivity we analyzed the magnetoencephalography data in two consecutive 300-ms time windows. Within the first 300 ms following picture onset beta frequency coherence was increased for overt naming in a network of regions comprising the bilateral parieto-temporal junction and medial cortices, suggesting that overt articulation modifies selection processes involved in speech planning. In the late time window (300–600 ms after picture onset) beta-range coherence was enhanced in a network that included the ventral sensorimotor and temporal cortices. Coherence in the gamma band was simultaneously reduced between the ventral motor cortex and supplementary motor area, bilaterally. The results suggest functionally distinct roles for beta (facilitatory) and gamma (suppressive) band interactions in speech production, with strong involvement of the motor cortex in both frequency bands. Overall, a striking difference in functional connectivity between the early and late time windows was observed, revealing the dynamic nature of large-scale cortical networks that support language and speech. Our results demonstrate that as the naming task evolves in time, the global connectivity patterns change, and that these changes occur (at least) on the time-scale of a few hundred milliseconds. More generally, these results bear implications for how we view large-scale neural networks underlying task performance.
Keyword: Research Articles
URL: https://doi.org/10.1002/hbm.22697
http://www.ncbi.nlm.nih.gov/pubmed/25413681
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4365727
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9
Abnormal functioning of the left temporal lobe in language-impaired children
In: Brain & language. - Orlando, Fla. [u.a.] : Elsevier 130 (2014), 11-18
OLC Linguistik
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10
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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11
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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12
Tracking neural coding of perceptual and semantic features of concrete nouns
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13
Neural Interactions at the Core of Phonological and Semantic Priming of Written Words
Kujala, Jan; Vartiainen, Johanna; Laaksonen, Hannu. - : Oxford University Press, 2011
BASE
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14
Multi-dipole modeling in MEG
In: MEG (Oxford, 2010), p. 124-155
MPI für Psycholinguistik
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15
Noninvasive functional tomographic connectivity analysis with magnetoencephalography
In: MEG (Oxford, 2010), p. 216-244
MPI für Psycholinguistik
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16
Experimental design
In: MEG (Oxford, 2010), p. 75-82
MPI für Psycholinguistik
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17
MEG : an introduction to methods
Hansen, Peter C.; Kringelbach, Morten L.; Salmelin, Riitta. - Oxford : Oxford University Press, 2010
MPI für Psycholinguistik
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18
Measurements
In: MEG (Oxford, 2010), p. 65-74
MPI für Psycholinguistik
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19
MEG and reading : from perception to linguistic analysis
In: MEG (Oxford, 2010), p. 346-372
MPI für Psycholinguistik
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20
Neurocognition of new word learning in the native tongue : lessons from the ancient farming equipment paradigm
In: The earliest stages of language learning (Chichester, West Sussex, 2010), p. 25-44
MPI für Psycholinguistik
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