Cited by 163Motor Control and AdaptationFunctional Brain Connectivity StudiesNeural and Behavioral Psychology Studies

Changes of Cortico-striatal Effective Connectivity during Visuomotor Learning

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Toni, I.·2002·Cerebral Cortex

Abstract

It has been suggested that the cortico-striatal system might play a crucial role in learning behavioural plans of action. We have tested this hypothesis by studying the dynamics of functional coupling among the neural elements of cortico-striatal circuitry. Human cerebral activity was measured with functional magnetic resonance imaging (fMRI) during the learning of an associative visuomotor task. Structural equation modelling of regional fMRI time-series was used to characterize learning-related changes in effective connectivity. We report that learning to associate visual instructions with motor responses significantly altered cortico-striatal functional couplings. Specific learning-related increases of effective connectivity were found in temporo-striatal and fronto-striatal circuits. Connectivity among portions of the frontal cortex decreased as a function of learning. Temporo-frontal and parieto-frontal couplings were not altered during learning. We infer that novel visuomotor associations are established through the enhancement of specific cortico-striatal circuits, rather than through the alteration of direct temporo-frontal or parieto-frontal connectivity.

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Crossref · 10.1093/cercor/12.10.1040

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  • Depending on the task, neuroimaging studies have reported a general decrease in cortical activity, increases in cortical activity, or a more complex redistribution where activity increases in some areas and decreases in others during practice.

    “Depending on the task, some studies have reported a general decrease in cortical activity [52–55], a few have reported increases [56–59], and some have reported a more complex redistribution where activity increases in some areas and decreases in others [60–62].”

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Authors
Toni, I.
Affiliations
Donders Centre for Cognitive Neuroimaging (NL)
Corresponding author
Toni, I.
Venue
Cerebral Cortex
Published
2002-10-01
Volume
12
Issue
10
Pages
1040-1047
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2168028357
Cited by
163
References
73
Citations by year
2025: 5 · 2023: 2 · 2022: 4 · 2021: 2 · 2020: 3 · 2019: 1 · 2018: 6 · 2017: 3 · 2016: 2 · 2015: 7 · 2014: 3 · 2013: 9 · 2012: 12
FWCI
7.11
Type
journal article
Language
en
Open access
Locations
  • Cerebral Cortex (publishedVersion)
  • PubMed (publishedVersion)
  • JuSER (Forschungszentrum Jülich) (submittedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • Newcastle University ePrints (Newcastle Univesity)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
visuomotor learning, associative learning, frontostriatal circuits, frontal cortex, functional coupling, striatum
MeSH terms
Cerebral Cortex, Corpus Striatum, Humans, Learning, Magnetic Resonance Imaging, Neural Pathways, Photic Stimulation, Psychomotor Performance, Linear Models

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