Matrix thalamic neurons (with deep-layer cortical interactions) regulate global…

Matrix thalamic neurons (with deep-layer cortical interactions) regulate global state and perceptual thresholds, while core thalamic neurons maintain perceptual content; coherent activity in thalamocortical loops underlies experiential continuity.

{
  "n": 0,
  "doi": "10.1016/j.neuron.2024.04.019",
  "claim": "Matrix thalamic neurons (with deep-layer cortical interactions) regulate global state and perceptual thresholds, while core thalamic neurons maintain perceptual content; coherent activity in thalamocortical loops underlies experiential continuity.",
  "cite_key": "Whyte2024",
  "evidence": "Theoretical synthesis of thalamic-cellular and systems data on conscious state vs content.",
  "effect_size": "es within a narrow band (0.75–1.5Hz) 56 .",
  "text_access": "fulltext",
  "study_system": "thalamocortical system (theoretical review)",
  "source_cluster_id": "cluster_05",
  "replication_status": "independently_replicated",
  "claim_source_sentence": "Optogenetic stimulation experiments in vivo demonstrate that ttL5Bs, more-so than L2/3 pyramidal neurons, generate cortical slow-waves (1Hz) 84 , 85 ; for reviews, see 51 , 86 . ttL5Bs also uniquely synchronize in up-down states across cortex under general anesthesia relative to neurons in other cortical layers 87 .",
  "replication_evidence_dois": [
    "10.1016/j.celrep.2023.112844",
    "10.1016/s0166-2236(00)01922-6"
  ],
  "effect_size_source_sentence": "In vivo thalamic manipulation experiments have further reinforced the role of the thalamus in electrophysiological signatures of brain states: thalamic inhibition in freely moving rats has been shown to alter both sleep spindles and slow cortical waves, while optogenetic activation entrains slow-wave frequencies within a narrow band (0.75–1.5Hz) 56 ."
}

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  "paper:paper-bf1ace3532d4"
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Optogenetic stimulation experiments in vivo demonstrate that ttL5Bs, more-so than L2/3 pyramidal neurons, generate cortical slow-waves (1Hz) 84 , 85 ; for reviews, see 51 , 86 . ttL5Bs also uniquely synchronize in up-down states across cortex under general anesthesia relative to neurons in other cortical layers 87 .

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