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  Cerebellar-parietal connections underpin phonological storage

Macher, K., Boehringer, A., Villringer, A., & Pleger, B. (2014). Cerebellar-parietal connections underpin phonological storage. The Journal of Neuroscience, 34(14), 5029-5037. doi:10.1523/JNEUROSCI.0106-14.2014.

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 Creators:
Macher, Katja1, Author              
Boehringer, Andreas2, Author              
Villringer, Arno1, 3, 4, Author              
Pleger, Burkhard1, 4, Author              
Affiliations:
1Department Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_634549              
2Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Mannheim, Germany, ou_persistent22              
3Berlin School of Mind and Brain, Humboldt University Berlin, Germany, ou_persistent22              
4Clinic for Cognitive Neurology, University of Leipzig, Germany, ou_persistent22              

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Free keywords: Brain connectivity; Cerebellum; Functional magnetic resonance imaging; Noninvasive brain stimulation; Verbal working memory
 Abstract: Previous research has accumulated convincing evidence to show that the human cerebellum contributes to the short-term storage of verbal information, but its specific role in brain networks involved in phonological storage remains uncertain. In a randomized, crossover and sham-controlled design, we here combined transcranial direct current stimulation (tDCS), applied to the right cerebellum, with fMRI to investigate systematically the contribution of the human cerebellum to encoding, maintenance, and retrieval of verbal information. After anodal, but not cathodal, tDCS, we found a reduced item recognition capacity together with an attenuated neural signal from the right cerebellar lobule VIIb, specifically during the late encoding phase. Within this phase, tDCS furthermore affected task-associated functional connections between right cerebellar lobule VIIb and the posterior parietal cortex. These findings suggest that the right cerebellar lobule VIIb interacts with the posterior parietal cortex, specifically during the late stages of verbal encoding, when verbal information enters phonological storage.

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Language(s): eng - English
 Dates: 2014-03-0420142014-04-02
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1523/JNEUROSCI.0106-14.2014
PMID: 24695720
 Degree: -

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Title: The Journal of Neuroscience
  Other : J. Neurosci.
Source Genre: Journal
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Publ. Info: Baltimore, MD : The Society
Pages: - Volume / Issue: 34 (14) Sequence Number: - Start / End Page: 5029 - 5037 Identifier: ISSN: 0270-6474
CoNE: https://pure.mpg.de/cone/journals/resource/954925502187