Cited by 309Neural dynamics and brain functionNeuroscience and Neuropharmacology ResearchSleep and Wakefulness Research

State-dependent architecture of thalamic reticular subnetworks

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Halassa, Michael M., Chen, Zhe, Wimmer, Ralf D., Brunetti, Philip M., Zhao, Shengli, Zikopoulos, Basilis, Wang, Fan, Brown, Emery N. +1 more·2014·Cell

Abstract

Behavioral state is known to influence interactions between thalamus and cortex, which are important for sensation, action, and cognition. The thalamic reticular nucleus (TRN) is hypothesized to regulate thalamo-cortical interactions, but the underlying functional architecture of this process and its state dependence are unknown. By combining the first TRN ensemble recording with psychophysics and connectivity-based optogenetic tagging, we found reticular circuits to be composed of distinct subnetworks. While activity of limbic-projecting TRN neurons positively correlates with arousal, sensory-projecting neurons participate in spindles and show elevated synchrony by slow waves during sleep. Sensory-projecting neurons are suppressed by attentional states, demonstrating that their gating of thalamo-cortical interactions is matched to behavioral state. Bidirectional manipulation of attentional performance was achieved through subnetwork-specific optogenetic stimulation. Together, our findings provide evidence for differential inhibition of thalamic nuclei across brain states, where the TRN separately controls external sensory and internal limbic processing facilitating normal cognitive function. PAPERFLICK:

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Authors
Halassa, M. M., Chen, Z., Wimmer, R. D., Brunetti, P. M., Zhao, S., Zikopoulos, B., Wang, F., Brown, E. N., & Wilson, M. A.
Affiliations
  • NYU Langone Health (US)
  • Massachusetts Institute of Technology (US)
  • Duke University (US)
  • Boston University (US)
  • Harvard University (US)
Corresponding author
Halassa, Michael M.
Venue
Cell
Publisher
Elsevier BV
Published
2014-08
Volume
158
Issue
4
Pages
808-821
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2111911706
Cited by
309
References
79
Citations by year
2026: 28 · 2025: 23 · 2024: 31 · 2023: 22 · 2022: 20 · 2021: 27 · 2020: 24 · 2019: 36 · 2018: 19 · 2017: 28 · 2016: 26 · 2015: 22 · 2014: 3
FWCI
14.68
Type
journal article
Language
en
Open access
Locations
  • Cell (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-nd)
Funders
  • National Science Foundation
  • National Alliance for Research on Schizophrenia and Depression
  • National Institutes of Health
  • National Institute of Mental Health (R01MH057414, R25MH094612, R01MH061976, R01MH101209, DP1MH103908)
  • National Institute of General Medical Sciences (R01GM104948, TR01-GM10498)
  • National Institute of Neurological Disorders and Stroke (R00NS078115, R01NS077986, K99NS078115)
  • National Center for Chronic Disease Prevention and Health Promotion (DP1MH103908)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
Keywords
thalamic reticular nucleus, behavioral state, arousal, sleep spindles, slow waves, attention, sensory projections, neuronal synchronization
MeSH terms
Animals, Attention, Behavior, Animal, Cognition, Limbic System, Male, Mice, Inbred C57BL, Thalamic Nuclei, Visual Perception, Mice

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