{
  "id": 18742369,
  "title": "Normal-looking sleep can mask memory problems, study suggests",
  "url": "https://urgent.news/2026/11/07/normal-looking-sleep-can-mask-memory-problems-study-suggests",
  "topic": "science",
  "section": "Science",
  "published": "2026-11-07T15:40:01.000Z",
  "source": {
    "name": "Medical Xpress",
    "slug": "medical-xpress",
    "url": "https://medicalxpress.com/news/2026-11-mask-memory-problems.html"
  },
  "original_language": "en",
  "account": "A new study on mice published in Neuron suggests that memory consolidation during sleep can be impaired even when sleep looks normal. Researchers at the Institute of Neuroscience in China focused on interneurons within the hippocampus, a brain region critical for learning and memory. These cells, which become particularly active during non-REM sleep, play a crucial role in generating ripples - brief bursts of electrical activity essential for memory consolidation. The researchers used genetic modification to selectively control these neurons and found that suppressing them during non-REM sleep after learning impaired the ability of mice to remember where objects had been or recognize previously encountered mice. Interestingly, standard sleep measurements did not detect any changes in sleep-wake patterns or brain-wave activity between the control and tested groups. The study's findings indicate that sleep can appear normal on standard measurements while memory consolidation weakens, highlighting a potential target for genetic intervention in cognitive disorders.",
  "summary": "A new mouse study that set out to test how sleep helps stabilize new memories has identified cells that may offer a genetic target for accessing circuits implicated in cognitive disorders. Researchers led by Min Xu and Wanling Peng from the Institute of Neuroscience at the Chinese Academy of Sciences focused on interneurons that gate the generation of ripples, which are brief bursts of electrical…",
  "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."
}