Version history

{
  "kind": "infographic",
  "prompt": "The fast-spiking phenotype emerges through coordinated postnatal maturation spanning the first 3-4 weeks: Kv3.1b expression begins in the first postnatal week and reaches adult levels by week 3, basket cell AP properties show 30-60% improvement over P6-P25, and thousands of genes undergo bidirectional transcriptional regulation between P7-P40. This convergent timeline demonstrates that the FS phenotype is not present at birth but is actively constructed through activity-dependent developmental programs.",
  "provider": "other",
  "raw_fields": {
    "papers": [
      {
        "n": 0,
        "doi": "10.1523/jneurosci.2890-08.2008",
        "value": "30-60",
        "method": "patch-clamp electrophysiology",
        "metric": "AP duration decrease during maturation (%)",
        "n_analyzed": "hippocampal basket cells P6-P25",
        "ci_or_error": null,
        "text_access": "abstract_only",
        "n_definition": "basket cells recorded at different postnatal ages",
        "scope_region": "hippocampus",
        "study_system": "mouse hippocampal basket cells",
        "taxonomic_level": "cell type",
        "scope_population": "basket cells",
        "value_source_sentence": "action potential duration, propagation time, duration of the release period, and decay time constant of IPSCs decreases by ~30-60%.",
        "experimental_conditions": "acute slices, P6 to P25"
      },
      {
        "n": 0,
        "doi": "10.1523/jneurosci.0105-09.2009",
        "value": "thousands",
        "method": "whole-genome microarray + electrophysiology",
        "metric": "Genes with bidirectional regulation P7-P40",
        "n_analyzed": "neocortical FS interneurons P7-P40",
        "ci_or_error": null,
        "text_access": "abstract_only",
        "n_definition": "FS cells profiled with microarrays",
        "scope_region": "neocortex",
        "study_system": "mouse neocortical FS interneurons",
        "taxonomic_level": "cell type",
        "scope_population": "FS interneurons",
        "value_source_sentence": "these changes are correlated with primarily monotonic but bidirectional transcriptional regulation of thousands of genes.",
        "experimental_conditions": "microarray + patch-clamp, P7-P40"
      },
      {
        "n": 0,
        "doi": "10.1523/jneurosci.16-02-00506.1996",
        "value": "postnatal weeks 1-3",
        "method": "immunohistochemistry + in situ hybridization",
        "metric": "Kv3.1b expression timeline",
        "n_analyzed": "PV-containing hippocampal interneurons",
        "ci_or_error": null,
        "text_access": "abstract_only",
        "n_definition": "PV+ neurons across postnatal development",
        "scope_region": "hippocampus",
        "study_system": "rat hippocampal PV interneurons",
        "taxonomic_level": "cell type",
        "scope_population": "PV-containing interneurons",
        "value_source_sentence": "Developmental expression and functional characterization of the potassium-channel subunit Kv3.1b in parvalbumin-containing interneurons of the rat hippocampus.",
        "experimental_conditions": "developmental time series"
      }
    ],
    "comparison_id": "developmental-maturation-timeline",
    "comparison_name": "Developmental maturation of fast-spiking properties across studies",
    "comparison_type": "convergent evidence",
    "what_it_reveals": "The fast-spiking phenotype emerges through coordinated postnatal maturation spanning the first 3-4 weeks: Kv3.1b expression begins in the first postnatal week and reaches adult levels by week 3, basket cell AP properties show 30-60% improvement over P6-P25, and thousands of genes undergo bidirectional transcriptional regulation between P7-P40. This convergent timeline demonstrates that the FS phenotype is not present at birth but is actively constructed through activity-dependent developmental programs.",
    "homogeneity_check": {
      "caveats": [
        "Different brain regions (hippocampus vs neocortex)",
        "Different species (rat vs mouse)",
        "Different metrics (AP properties, gene expression, Kv3 protein)",
        "Different age ranges with partial overlap"
      ],
      "n_definition_uniform": "false",
      "scope_region_uniform": "false",
      "taxonomic_level_uniform": "true",
      "scope_population_uniform": "true"
    },
    "suggested_plot_type": "timeline"
  },
  "section_id": "section_05_evidence_package",
  "source_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewPV/blob/df9fc7e8d455b084152c9d713558dae0013cef21/evidence/section_05_evidence_package.json",
  "target_ref": "wiki_page:computationalreviewpv-05",
  "review_repo": "ComputationalReviewPV",
  "section_ref": "wiki_page:computationalreviewpv-05",
  "source_path": "evidence/section_05_evidence_package.json",
  "source_refs": [
    "paper:paper-1ce8d352b58d",
    "paper:paper-591943f1ad14",
    "paper:paper-7c89812b5c9d"
  ],
  "section_title": "Intrinsic Electrophysiology: The Fast-Spiking Phenotype and Its Variants",
  "source_policy": {
    "mode": "public_source_pointer_with_short_context",
    "notes": [
      "Local review repositories are read-only inputs.",
      "SciDEX stores paper metadata, structured evidence, file pointers, and short citation contexts; it does not copy full review prose."
    ],
    "source_commit_sha": "df9fc7e8d455b084152c9d713558dae0013cef21",
    "source_repository_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewPV"
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  "generation_status": "complete",
  "review_bundle_ref": "analysis_bundle:ab-e6261c8263e7",
  "origin_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewPV/blob/df9fc7e8d455b084152c9d713558dae0013cef21/evidence/section_05_evidence_package.json",
  "commit_sha": "df9fc7e8d455b084152c9d713558dae0013cef21",
  "created_by": "persona-jerome-lecoq-gbo-neuroscience",
  "repository_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewPV"
}