{
"id": "projection_class_specific_EE_matrix",
"type": "projection-class connectivity matrix",
"description": "Connection probability and bias of E->E connections by long-range projection class (IT, PT, CT) in mouse cortex.",
"audit_issues": [
{
"dimension": "metric_definition",
"description": "Sources describe projection-target-specific E→E connectivity at different resolutions (corticospinal/corticostriatal segregation, full CT/IT/PT motif matrix, hierarchical M1 wiring, L5 projection-class diversity). Reported quantities are not identical but address overlapping pieces of the same matrix.",
"entries_affected": [
"10.1038/nn.2701",
"10.1038/nature07658",
"10.1523/jneurosci.4023-14.2015",
"10.1523/jneurosci.4759-11.2012",
"10.3389/fncel.2013.00174"
]
},
{
"dimension": "scope_population",
"description": "Some entries probe broad CT/IT/PT classes; others probe L5 projection diversity at finer Cre-line resolution. Plotting on a single matrix risks conflating resolutions.",
"entries_affected": [
"10.1038/nn.2701",
"10.1038/nature07658",
"10.1523/jneurosci.4023-14.2015",
"10.1523/jneurosci.4759-11.2012",
"10.3389/fncel.2013.00174"
]
}
],
"audit_verdict": "CAVEAT",
"section_targets": [
"section_03"
],
"comparable_sources": [
{
"doi": "10.1038/nature07658",
"pmid": "19151698",
"what": "Brown/Hestrin 2009 — projection-target-specific pyramidal-pyramidal connectivity"
},
{
"doi": "10.1523/jneurosci.4023-14.2015",
"pmid": "25653383",
"what": "Yamawaki/Shepherd 2015 mouse M1 CT/IT/PT motifs"
},
{
"doi": "10.1523/jneurosci.4759-11.2012",
"pmid": "22492054",
"what": "Kiritani/Shepherd 2012 hierarchical M1 corticospinal-corticostriatal"
},
{
"doi": "10.3389/fncel.2013.00174",
"pmid": "24137110",
"what": "Suter 2013 — mouse M1 L5 diversity of projection neuron classes"
}
],
"primary_source_doi": "10.1038/nn.2701",
"primary_source_pmid": "20436481",
"notes_for_extraction": "Cross-comparison of E->E P(connection) and amplitude by projection target: Anderson/Shepherd 2010 (M1 L2/3→L5 CSp vs CSt), Brown/Hestrin 2009 (projection-target dependence), Yamawaki/Shepherd 2015 (CT vs IT vs PT in M1 L6), Otsuka/Kawaguchi-style L5 motor diversity (24137110).",
"claim_source_sentence": "The main excitatory pathway in mouse motor cortex, layer 2/3->5, is fractionated into distinct pathways targeting corticospinal and corticostriatal neurons.",
"audit_fabrication_flag": "Label 'Suter 2013' on DOI 10.3389/fncel.2013.00174 does not match DOI authors (Tantirigama, Sonntag, Hughes, Empson, Oswald). The Suter & Shepherd 2013 paper that the label likely intends is at a different DOI. Coordinator should reconcile.",
"mandatory_caption_caveats": [
"Entries report different slices of the M1 projection-class connectivity matrix (corticospinal/corticostriatal segregation, CT/IT/PT motifs, L5 sub-diversity) — values are complementary, not directly equivalent.",
"Verify the 'Suter 2013' label on DOI 10.3389/fncel.2013.00174 (DOI maps to Tantirigama et al. 2013, not Suter)."
]
}