Cited by 176Neural dynamics and brain functionMotor Control and AdaptationNeuroscience and Neuropharmacology Research

Back to front: cerebellar connections and interactions with the prefrontal cortex

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Watson, Thomas C., Becker, Nadine, Apps, Richard, Jones, Matthew W.·2014·Frontiers in Systems Neuroscience

Abstract

Although recent neuroanatomical evidence has demonstrated closed-loop connectivity between prefrontal cortex and the cerebellum, the physiology of cerebello-cerebral circuits and the extent to which cerebellar output modulates neuronal activity in neocortex during behavior remain relatively unexplored. We show that electrical stimulation of the contralateral cerebellar fastigial nucleus (FN) in awake, behaving rats evokes distinct local field potential (LFP) responses (onset latency ~13 ms) in the prelimbic (PrL) subdivision of the medial prefrontal cortex. Trains of FN stimulation evoke heterogeneous patterns of response in putative pyramidal cells in frontal and prefrontal regions in both urethane-anesthetized and awake, behaving rats. However, the majority of cells showed decreased firing rates during stimulation and subsequent rebound increases; more than 90% of cells showed significant changes in response. Simultaneous recording of on-going LFP activity from FN and PrL while rats were at rest or actively exploring an open field arena revealed significant network coherence restricted to the theta frequency range (5-10 Hz). Granger causality analysis indicated that this coherence was significantly directed from cerebellum to PrL during active locomotion. Our results demonstrate the presence of a cerebello-prefrontal pathway in rat and reveal behaviorally dependent coordinated network activity between the two structures, which could facilitate transfer of sensorimotor information into ongoing neocortical processing during goal directed behaviors.

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Authors
Watson, T. C., Becker, N., Apps, R., & Jones, M. W.
Affiliations
University of Bristol (GB)
Corresponding author
  • Apps, Richard
  • Jones, Matthew W.
Venue
Frontiers in Systems Neuroscience
Published
2014
Volume
8
Pages
4-4
ISSN
1662-5137 (ISSN-L)
OpenAlex
W2028338391
Cited by
176
References
89
Citations by year
2026: 9 · 2025: 23 · 2024: 11 · 2023: 17 · 2022: 13 · 2021: 20 · 2020: 13 · 2019: 22 · 2018: 12 · 2017: 11 · 2016: 10 · 2015: 9 · 2014: 4 · 2012: 1
FWCI
6.32
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Systems Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Bristol Research (University of Bristol) (submittedVersion)
  • Explore Bristol Research (submittedVersion)
Funders
  • Newcastle University
  • Directorate for Biological Sciences
  • Biotechnology and Biological Sciences Research Council (BB/G006687/1)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
cerebellum, prefrontal cortex, fastigial nucleus, prelimbic cortex, local field potentials, theta coherence, Granger causality, pyramidal neurons, goal-directed behavior, locomotion, rats

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