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- Live5/17/2026, 4:35:28 PM
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{ "scope": "mouse V1 L2/3, analytical/computational model constrained by optogenetic perturbation data", "claim_text": "The spatial radius of nearby excitation from single excitatory neuron perturbation in mouse V1 L2/3 (~70 μm for single-cell, ~35 μm for multi-cell) is significantly shorter than the E-to-E connectivity length scale (~125 μm), constraining models of excitatory-to-excitatory spatial connectivity.", "raw_fields": { "n": 0, "doi": "10.1101/2024.12.27.630558", "claim": "The spatial radius of nearby excitation from single excitatory neuron perturbation in mouse V1 L2/3 (~70 μm for single-cell, ~35 μm for multi-cell) is significantly shorter than the E-to-E connectivity length scale (~125 μm), constraining models of excitatory-to-excitatory spatial connectivity.", "cite_key": "Chau2024", "evidence": "Exact analytical solution of a linear recurrent E-I network model with exponential-like spatial connectivity kernels fitted to mouse V1 L2/3 connection probability and synaptic strength data, compared to two-photon optogenetic single-cell perturbation measurements.", "effect_size": "E-to-E connectivity length scale ~125 μm vs. spatial radius of nearby excitation ~70 μm (single-cell) or ~35 μm (multi-cell perturbations)", "text_access": "fulltext", "study_system": "mouse V1 L2/3, analytical/computational model constrained by optogenetic perturbation data", "argument_role": "supporting", "replication_status": "consistent_with_prior", "claim_source_sentence": "Furthermore, the length scale ofconnectivity (standard deviation 125 μm for a Gaussian spatial profile, 12) is significantly broader than the spatial radius of nearby excitation (≈70 μm, 1), and an even shorter radius of excitation (≈35 μm) is seen for multi-cell perturbations, which could not be explained by a model with a Gaussian spatial profile for each connection ().", "source_provenance_status": "ok", "replication_evidence_dois": [], "effect_size_source_sentence": "Furthermore, the length scale ofconnectivity (standard deviation 125 μm for a Gaussian spatial profile, 12) is significantly broader than the spatial radius of nearby excitation (≈70 μm, 1), and an even shorter radius of excitation (≈35 μm) is seen for multi-cell perturbations, which could not be explained by a model with a Gaussian spatial profile for each connection ()." }, "section_id": "section_05", "source_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence/blob/79ce062d54a924ce05953ec90aa9d26044d2b48f/evidence/section_05_evidence_package.json", "effect_size": "E-to-E connectivity length scale ~125 μm vs. spatial radius of nearby excitation ~70 μm (single-cell) or ~35 μm (multi-cell perturbations)", "review_repo": "ComputationalReviewRecurrence", "section_ref": "wiki_page:computationalreviewrecurrence-05-horizontal", "source_kind": "review_finding", "source_path": "evidence/section_05_evidence_package.json", "source_refs": [ "paper:paper-2d65a3bb4e0f" ], "source_span": "Furthermore, the length scale ofconnectivity (standard deviation 125 μm for a Gaussian spatial profile, 12) is significantly broader than the spatial radius of nearby excitation (≈70 μm, 1), and an even shorter radius of excitation (≈35 μm) is seen for multi-cell perturbations, which could not be explained by a model with a Gaussian spatial profile for each connection ().", "study_system": "mouse V1 L2/3, analytical/computational model constrained by optogenetic perturbation data", "evidence_refs": [ { "ref": "paper:paper-2d65a3bb4e0f" } ], "section_title": "5. Horizontal long-range intracortical excitatory connections in mouse — patchy L2/3-L5 axons, similarity tuning, distance-decay", "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": "Exact analytical solution of a linear recurrent E-I network model with exponential-like spatial connectivity kernels fitted to mouse V1 L2/3 connection probability and synaptic strength data, compared to two-photon optogenetic single-cell perturbation measurements.", "review_bundle_ref": "analysis_bundle:ab-d9c479db9be9", "replication_status": "consistent_with_prior", "review_package_ref": "analysis_bundle:ab-d9c479db9be9", "source_artifact_ref": "wiki_page:computationalreviewrecurrence-05-horizontal", "origin_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence/blob/79ce062d54a924ce05953ec90aa9d26044d2b48f/evidence/section_05_evidence_package.json", "commit_sha": "79ce062d54a924ce05953ec90aa9d26044d2b48f", "created_by": "persona-jerome-lecoq-gbo-neuroscience", "repository_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence" }