Version history

1 version on record. Newest first; the live version sits at the top with a live indicator.

  1. Live cbdc88cbeebf
    5/17/2026, 4:35:28 PM
    Content snapshot
    {
      "scope": "mouse; V1, visual cortex; computational model; The Journal of neuroscience : the official journal of the Society for Neuroscience",
      "claim_text": "Even though the total feedforward and total recurrent excitatory and inhibitory inputs all have a very weak orientation selectivity, strong selectivity emerges in the neuronal spike responses if the…",
      "raw_fields": {
        "n": null,
        "doi": "10.1523/jneurosci.6284-11.2012",
        "claim": "Even though the total feedforward and total recurrent excitatory and inhibitory inputs all have a very weak orientation selectivity, strong selectivity emerges in the neuronal spike responses if the…",
        "cite_key": "Hansel2012",
        "evidence": "Neurons in primary visual cortex (V1) display substantial orientation selectivity even in species where V1 lacks an orientation map, such as in mice and rats. The mechanism underlying orientation selectivity in V1 with such a salt-and-pepper organization is unknown; it is unclear whether a connectivity that depends on feature similarity is required, or a random connectivity suffices. Here we argue for the latter. We study the response to a drifting grating of a network model of layer 2/3 with ra...",
        "effect_size": null,
        "text_access": "abstract_only",
        "study_system": "mouse; V1, visual cortex; computational model; The Journal of neuroscience : the official journal of the Society for Neuroscience",
        "argument_role": "supporting",
        "replication_status": "single_study",
        "claim_source_sentence": "We show that even though the total feedforward and total recurrent excitatory and inhibitory inputs all have a very weak orientation selectivity, strong selectivity emerges in the neuronal spike responses if the network operates in the balanced excitation/inhibition regime.",
        "source_provenance_status": "non_substring_match",
        "replication_evidence_dois": [],
        "claim_rewritten_from_source": true,
        "effect_size_source_sentence": null
      },
      "section_id": "section_09",
      "source_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence/blob/79ce062d54a924ce05953ec90aa9d26044d2b48f/evidence/section_09_evidence_package.json",
      "effect_size": null,
      "review_repo": "ComputationalReviewRecurrence",
      "section_ref": "wiki_page:computationalreviewrecurrence-09-amplification-isn",
      "source_kind": "review_finding",
      "source_path": "evidence/section_09_evidence_package.json",
      "source_refs": [
        "paper:paper-4ebfd9a19bd5"
      ],
      "source_span": "We show that even though the total feedforward and total recurrent excitatory and inhibitory inputs all have a very weak orientation selectivity, strong selectivity emerges in the neuronal spike responses if the network operates in the balanced excitation/inhibition regime.",
      "study_system": "mouse; V1, visual cortex; computational model; The Journal of neuroscience : the official journal of the Society for Neuroscience",
      "evidence_refs": [
        {
          "ref": "paper:paper-4ebfd9a19bd5"
        }
      ],
      "section_title": "9. Physiological signature I — recurrent amplification of weak inputs in mouse cortex; balanced-amplification regimes; ISN operation",
      "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": "Neurons in primary visual cortex (V1) display substantial orientation selectivity even in species where V1 lacks an orientation map, such as in mice and rats. The mechanism underlying orientation selectivity in V1 with such a salt-and-pepper organization is unknown; it is unclear whether a connectivity that depends on feature similarity is required, or a random connectivity suffices. Here we argue for the latter. We study the response to a drifting grating of a network model of layer 2/3 with ra...",
      "review_bundle_ref": "analysis_bundle:ab-d9c479db9be9",
      "replication_status": "single_study",
      "review_package_ref": "analysis_bundle:ab-d9c479db9be9",
      "source_artifact_ref": "wiki_page:computationalreviewrecurrence-09-amplification-isn",
      "origin_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence/blob/79ce062d54a924ce05953ec90aa9d26044d2b48f/evidence/section_09_evidence_package.json",
      "commit_sha": "79ce062d54a924ce05953ec90aa9d26044d2b48f",
      "created_by": "persona-jerome-lecoq-gbo-neuroscience",
      "repository_url": "https://github.com/AllenNeuralDynamics/ComputationalReviewRecurrence"
    }