{
  "id": 13852063,
  "title": "Whole-brain receptor markers and hub excitabilities determine acute and long-term outcomes in stroke",
  "url": "https://urgent.news/2026/10/11/whole-brain-receptor-markers-and-hub-excitabilities-determine-acute",
  "topic": "health",
  "section": "Health & Medicine",
  "published": "2026-10-11T00:00:00.000Z",
  "source": {
    "name": "bioRxiv",
    "slug": "biorxiv",
    "url": "https://www.biorxiv.org/content/10.64898/2026.10.04.755271v1?rss=1"
  },
  "original_language": "en",
  "account": "A stroke can trigger alterations in receptor systems within the brain, potentially impacting excitability and recovery. Translating findings from animal research to human patients is a significant challenge, and while imaging techniques have yielded valuable data, the link between receptor activity and observed brain activity remains unclear. To address this, researchers created patient-specific digital twins, incorporating 19 receptor and transporter density maps into a whole-brain model to estimate their effect on cortical excitability for each stroke patient. The study revealed that distinct receptor profiles influenced excitability in both affected and unaffected brain regions. Favorable motor recovery after a stroke was linked to increased inhibition by non-perilesional GABA-A receptors and heightened excitability driven by cannabinoid, histaminergic, and noradrenergic systems. For acute language recovery, specific receptor signatures, coupled with motor findings, formed two clusters linking excitability to either improved or worsened performance. Crucially, structurally highly connected hubs displayed a significant role: their excitability during the initial stages of recovery explained cognitive and language deficits and predicted language recovery one year post-stroke. The findings establish a mechanistic connection between receptor-modulated cortical excitability and behavioral recovery, suggesting potential therapeutic targets for pharmacological and non-invasive interventions.",
  "summary": "Following a stroke, changes in receptor systems have been observed that may influence the excitability of affected brain regions and drive recovery trajectories. Translating results from animal studies to patients remains a major challenge, and while imaging modalities have provided a wealth of findings, a mechanistic link between local receptor systems and observed imaging data is still missing.…",
  "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."
}