{
  "url": "https://dantelabs.com/traits/fixated-interests",
  "trait": {
    "bundleId": "2026.10.17-8666dff2",
    "release": "2026-09-01",
    "slug": "fixated-interests",
    "id": "HP:4000070",
    "name": "Fixated interests",
    "definition": "Highly restricted, fixated interests that are abnormal in intensity or focus (e.g., strong attachment to or preoccupation with unusual objects, excessively circumscribed or perseverative interests).",
    "synonyms": [
      "Circumscribed interests",
      "Restricted interests"
    ],
    "systems": [
      {
        "slug": "abnormality-of-the-nervous-system",
        "name": "Abnormality of the nervous system",
        "url": "https://dantelabs.com/traits/abnormality-of-the-nervous-system"
      }
    ],
    "broader": [
      {
        "slug": "restricted-or-repetitive-behaviors-or-interests",
        "name": "Restricted or repetitive behaviors or interests",
        "url": "https://dantelabs.com/traits/restricted-or-repetitive-behaviors-or-interests"
      }
    ],
    "narrower": [],
    "genes": [
      {
        "slug": "kmt5b",
        "symbol": "KMT5B",
        "hgnc": "HGNC:24283",
        "name": "lysine methyltransferase 5B",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/kmt5b"
      },
      {
        "slug": "rfx7",
        "symbol": "RFX7",
        "hgnc": "HGNC:25777",
        "name": "regulatory factor X7",
        "frequency": "occasional",
        "diseases": 1,
        "url": "https://dantelabs.com/genes/rfx7"
      }
    ]
  }
}