{
  "id": 4913087,
  "title": "How the brain decides where to insulate its own wiring",
  "url": "https://urgent.news/2026/09/01/how-the-brain-decides-where-to-insulate-its-own-wiring",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-01T18:00:01.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-09-brain-insulate-wiring.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "In the complex circuitry of the brain, a fatty substance known as myelin plays a vital role in insulating neural wiring. It coats billions of axons in the brain and makes up about one-fifth of the organ in humans.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}