Basal forebrain cholinergic neuron projection architecture

{
  "title": "Basal forebrain cholinergic neuron projection architecture",
  "papers": [
    {
      "doi": "10.3389/fncel.2024.1426153",
      "value": "A portion of cholinergic cells within HDB and VP/SI simultaneously project to both amygdala and PFC",
      "n_analyzed": null,
      "n_definition": "number of labeled neurons",
      "scope_region": "basal forebrain (HDB, VP/SI)",
      "taxonomic_level": "cell-type specific (ChAT+)",
      "scope_population": "cholinergic projection neurons",
      "value_source_sentence": "Importantly, our findings demonstrate that a portion of cholinergic cells within the HDB and VP/SI simultaneously innervate both the amygdala and prefrontal cortical regions"
    },
    {
      "doi": "10.1101/2023.05.26.541324",
      "value": "BF cholinergic neurons vary in branch complexity — gradient from modular (anteromedial BF) to diffuse (posterolateral NbM)",
      "n_analyzed": null,
      "n_definition": "human imaging + mouse viral tracing",
      "scope_region": "basal forebrain → cortex",
      "taxonomic_level": "cell-type level (cholinergic)",
      "scope_population": "cholinergic BF neurons",
      "value_source_sentence": "Altogether, our findings reveal that BF cholinergic neurons vary in their branch complexity, with certain subpopulations exhibiting greater modularity and others greater diffusivity in the functional integration of their cortical targets."
    },
    {
      "doi": "10.1186/s12915-023-01625-y",
      "value": "More than 96% of labeled neurons were ChAT-positive",
      "n_analyzed": 3,
      "n_definition": "mice used for validation",
      "scope_region": "basal forebrain",
      "taxonomic_level": "cell-type level",
      "scope_population": "virally labeled projection neurons",
      "value_source_sentence": "More than 96% of them were ChAT-positive (from three mice)."
    }
  ],
  "description": "Cross-study comparison of BF cholinergic neuron projection patterns — proportion of dual-projecting neurons, branch complexity, and target region specificity",
  "figure_type": "comparison_bar",
  "homogeneity_check": "Studies use different methods (human 7T MRI + mouse viral tracing vs mouse retrograde tracing vs mouse anterograde tracing). Species differences (human vs mouse) affect direct comparison. Quantification methods differ (functional MRI connectivity vs cell counting vs structural tracing)."
}

[
  "paper:paper-2d28f4b2269a",
  "paper:paper-818a47159e12",
  "paper:paper-e10e59c12ed1"
]

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