Matrix-thalamic axons projecting to layer 1 of mouse PFC transmit fast, high-fi…

Matrix-thalamic axons projecting to layer 1 of mouse PFC transmit fast, high-fidelity synaptic signals that preferentially drive L1 inhibitory interneurons and produce sustained responses on repetitive stimulation, contrary to the view that matrix inputs are weak/diffuse modulators.

{
  "n": 0,
  "doi": "10.1523/jneurosci.3231-12.2012",
  "claim": "Matrix-thalamic axons projecting to layer 1 of mouse PFC transmit fast, high-fidelity synaptic signals that preferentially drive L1 inhibitory interneurons and produce sustained responses on repetitive stimulation, contrary to the view that matrix inputs are weak/diffuse modulators.",
  "cite_key": "Cruikshank2012",
  "evidence": "Channelrhodopsin expression in midline/paralaminar (matrix) thalamic neurons with optical activation of L1 axons in mouse PFC slices.",
  "effect_size": "Matrix L1 TC inputs sustained signals far longer than core sensory TC pathways during repetitive stimulation",
  "text_access": "fulltext",
  "study_system": "mouse PFC slice; midline/paralaminar matrix → L1 (channelrhodopsin)",
  "source_cluster_id": "cluster_05",
  "replication_status": "independently_replicated",
  "claim_source_sentence": "Knowledge of thalamocortical (TC) processing comes mainly from studying core thalamic systems that project to middle layers of primary sensory cortices.",
  "replication_evidence_dois": [
    "10.1093/cercor/bhn259",
    "10.1016/j.neuron.2020.10.031"
  ],
  "effect_size_source_sentence": "However, most thalamic relay neurons comprise a matrix of cells that are densest in the \"nonspecific\" thalamic nuclei and usually target layer 1 (L1) of multiple cortical areas."
}

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