{
  "schema": "retina-body-1558-v1",
  "retina": {
    "width": 32,
    "height": 24,
    "eyes": {
      "L": {
        "neurons": 2345,
        "directColumnEvidence": 2273,
        "borrowedNearestColumn": 72,
        "distinctPixels": 472,
        "hexProjectionBounds": [
          -5.0,
          23.0,
          1.451177703638789,
          33.77499074759311
        ]
      },
      "R": {
        "neurons": 3746,
        "directColumnEvidence": 3622,
        "borrowedNearestColumn": 124,
        "distinctPixels": 522,
        "hexProjectionBounds": [
          -5.0,
          23.5,
          0.8660254037844386,
          33.77499074759311
        ]
      }
    },
    "channels": 1536,
    "mapping": "Synapse-weighted assigned optic-column coordinates, projected to each eye; nearest measured same-eye photoreceptor endpoint when direct column evidence is missing. Image axes and camera calibration are model choices."
  },
  "bodyChannels": 22,
  "directlyDrivenNeurons": 10710,
  "modalityCounts": {
    "photoreceptors": 6091,
    "mechanosensory_proprioceptive": 1357,
    "mechanosensory": 589,
    "olfactory": 115,
    "mechanosensory_tactile": 2558
  },
  "source": "MaleCNS v1.0 body annotations and measured directed connections",
  "sourceSHA256": "2177e246113e4cfbf1e7772ec37c6da1955ff22e8063d0b1f833101f99a9a3b2",
  "unmappedNeurons": 155990,
  "limitations": [
    "Photoreceptor grayscale encoding does not model colour/UV receptor spectra.",
    "Within-class body response directions and control associations are authored, not measured tuning curves.",
    "Normalized odor exposure models receptor stimulation, not molecular concentration or pharmacology.",
    "Unknown sensory modalities receive no invented direct signal; every retained neuron and edge still participates.",
    "The inherited rate model defaults histamine and unknown transmitters to an excitatory sign; receptor-specific physiology is not implemented."
  ],
  "olfaction": {
    "ethylAcetate": {
      "target": "ORN_DM1 / Or42b",
      "source": "https://pubmed.ncbi.nlm.nih.gov/28670618/"
    },
    "geosmin": {
      "target": "ORN_DA2 / Or56a",
      "source": "https://www.nature.com/articles/srep21841"
    }
  },
  "routingFiles": {
    "receptor-channels": {
      "sha256": "8cb23ab7c6d7d61f3689bd55a332389fd05c7cd080038f0060c9b205011547ec",
      "elementType": "int16"
    },
    "receptor-polarity": {
      "sha256": "ad6c98003c75bf75fce2ba8422cc729224800e82f35e48da0ea1c0330e165626",
      "elementType": "int8"
    }
  }
}
