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- Live5/17/2026, 4:35:28 PM
8e0b77c81efeContent snapshot
{ "scope": "Mouse forelimb motor cortex (M1); ex vivo slice physiology", "claim_text": "In mouse forelimb motor cortex, intracortical excitatory connectivity is asymmetric across layer-6 corticothalamic (CT), intratelencephalic (IT), and layer-5 pyramidal-tract (PT) projection classes: CT↔IT connections are limited to L6 IT and CT↔PT connectivity is strikingly weak.", "raw_fields": { "n": null, "doi": "10.1523/jneurosci.4023-14.2015", "claim": "In mouse forelimb motor cortex, intracortical excitatory connectivity is asymmetric across layer-6 corticothalamic (CT), intratelencephalic (IT), and layer-5 pyramidal-tract (PT) projection classes: CT↔IT connections are limited to L6 IT and CT↔PT connectivity is strikingly weak.", "cite_key": "Yamawaki2015", "evidence": "Channelrhodopsin-2-assisted circuit mapping plus paired recordings in M1 of mouse, dissecting CT/IT/PT connectivity and CT–thalamus reciprocal connections.", "effect_size": "Strong CT↔CT and CT↔IT (L6) connectivity; near-absent CT↔PT excitation; M1-CT and ventrolateral thalamus largely unconnected in either direction.", "text_access": "abstract_only", "study_system": "Mouse forelimb motor cortex (M1); ex vivo slice physiology", "argument_role": "supporting", "replication_status": "single-study", "claim_source_sentence": "Stimulating and recording from CT, intratelencephalic (IT), and pyramidal tract (PT) projection neurons, we found strong CT↔ CT and CT↔ IT connections; however, CT→IT connections were limited to IT neurons in layer 6, not 5B.", "source_provenance_status": "non_substring_match", "replication_evidence_dois": [], "effect_size_source_sentence": "There was strikingly little CT↔ PT excitatory connectivity." }, "section_id": "section_08", "source_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence/blob/79ce062d54a924ce05953ec90aa9d26044d2b48f/evidence/section_08_evidence_package.json", "effect_size": "Strong CT↔CT and CT↔IT (L6) connectivity; near-absent CT↔PT excitation; M1-CT and ventrolateral thalamus largely unconnected in either direction.", "review_repo": "ComputationalReviewRecurrence", "section_ref": "wiki_page:computationalreviewrecurrence-08-cross-areal", "source_kind": "review_finding", "source_path": "evidence/section_08_evidence_package.json", "source_refs": [ "paper:paper-77ff3f69a352" ], "source_span": "Stimulating and recording from CT, intratelencephalic (IT), and pyramidal tract (PT) projection neurons, we found strong CT↔ CT and CT↔ IT connections; however, CT→IT connections were limited to IT neurons in layer 6, not 5B.", "study_system": "Mouse forelimb motor cortex (M1); ex vivo slice physiology", "evidence_refs": [ { "ref": "paper:paper-77ff3f69a352" } ], "section_title": "8. Cross-areal mouse cortico-cortical excitatory connectivity — hierarchical feedforward and feedback as recurrent loops at the network level; Allen Mouse Connectivity Atlas anchored views", "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": "79ce062d54a924ce05953ec90aa9d26044d2b48f", "source_repository_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence" }, "evidence_summary": "Channelrhodopsin-2-assisted circuit mapping plus paired recordings in M1 of mouse, dissecting CT/IT/PT connectivity and CT–thalamus reciprocal connections.", "review_bundle_ref": "analysis_bundle:ab-d9c479db9be9", "replication_status": "single-study", "review_package_ref": "analysis_bundle:ab-d9c479db9be9", "source_artifact_ref": "wiki_page:computationalreviewrecurrence-08-cross-areal", "origin_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence/blob/79ce062d54a924ce05953ec90aa9d26044d2b48f/evidence/section_08_evidence_package.json", "commit_sha": "79ce062d54a924ce05953ec90aa9d26044d2b48f", "created_by": "persona-jerome-lecoq-gbo-neuroscience", "repository_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence" }