Cited by 322Neural dynamics and brain functionNeuroscience and Neuropharmacology ResearchVisual perception and processing mechanisms

Thalamocortical Circuit Motifs: A General Framework

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Halassa, Michael M., Sherman, S. Murray·2019·Neuron

Abstract

The role of the thalamus in cortical sensory transmission is well known, but its broader role in cognition is less appreciated. Recent studies have shown thalamic engagement in dynamic regulation of cortical activity in attention, executive control, and perceptual decision-making, but the circuit mechanisms underlying such functionality are unknown. Because the thalamus is composed of excitatory neurons that are devoid of local recurrent excitatory connectivity, delineating long-range, input-output connectivity patterns of single thalamic neurons is critical for building functional models. We discuss this need in relation to existing organizational schemes such as core versus matrix and first-order versus higher-order relay nuclei. We propose that a new classification is needed based on thalamocortical motifs, where structure naturally informs function. Overall, our synthesis puts understanding thalamic organization at the forefront of existing research in systems and computational neuroscience, with both basic and translational applications.

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Crossref · 10.1016/j.neuron.2019.06.005

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  • Subtype 4's thalamic targeting likely participates in the transmission and processing of sensory information to regulate attention, consciousness, and sensory perception.

    “subtype 4 specifically targets the thalamus (Fig. 2C), likely participating in the transmission and processing of sensory information to regulate attention, consciousness, and sensory perception [32,33].”

    From The Insular Cortex: An Interface Between Sensation, Emotion and Cognition (2024) · cites this paper as [32]

    The paper’s section on classification by input describes the lateral geniculate nucleus as a station for visual information traveling to cortex, and its discussion of thalamocortical motifs identifies a role for that nucleus in attentional control. These passages support the proposed sensory and attention-related roles of thalamic circuits, but they do not identify the citing paper’s subtype 4 or establish a role for it in consciousness. (LLM, conf=0.85)

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Research works printed but not linked: 3

  1. Jones EG (2007). The Thalamus, Second edition edn (Cambridge, U.K: Cambridge University Press).
  2. Phillips JW, Schulmann A, Hara E, Liu C, Wang L, Shields B, Korff W, Lemire A, Dudman J, Nelson SB, (2018). A single spectrum of neuronal identities across thalamus. bioRxiv.
  3. Sherman SM (1985). Functional organization of the W-,X-, and Y-cell pathways in the cat: a review and hypothesis, Vol 11 (Orlando: Academic Press).

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Authors
Halassa, M. M., & Sherman, S. M.
Affiliations
  • McGovern Institute for Brain Research (US)
  • University of Chicago (US)
Corresponding author
  • Halassa, Michael M.
  • Sherman, S. Murray
Venue
Neuron
Publisher
Elsevier BV
Published
2019-09
Volume
103
Issue
5
Pages
762-770
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2971601581
Cited by
322
References
90
Citations by year
2026: 39 · 2025: 44 · 2024: 53 · 2023: 62 · 2022: 35 · 2021: 70 · 2020: 15 · 2019: 4
FWCI
3.94
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-nd)
Funders
National Institutes of Health
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 › Visual perception and processing mechanisms
Keywords
thalamus, thalamocortical connections, thalamic relay nuclei, attention, executive function, perceptual decision making
MeSH terms
Cerebral Cortex, Cognition, Decision Making, Geniculate Bodies, Humans, Neural Pathways, Thalamus, Mediodorsal Thalamic Nucleus, Executive Function

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