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Lower mGlu5 receptor found across autistic adult brains — Level A1 — a white brain on a black background

Lower mGlu5 receptor found across autistic adult brainsCEFR A1

23 Dec 2025

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Adapted from Yale, Futurity • CC BY 4.0

Photo by Shawn Day, Unsplash

Level A1 – Beginner
2 min
74 words
  • Scientists found a difference in the adult brain.
  • The finding may help explain features of autism.
  • Autism causes social differences and focused interests.
  • Many people with autism show repetitive behaviours and routines.
  • Researchers used MRI scans and PET scans to compare brains.
  • They also used EEG to measure brain electrical activity.
  • The study tested adults with and without autism.
  • All participants in the study were adults.
  • Scientists hope this leads to better treatments later.

Difficult words

  • autism — A condition that affects social communication.
  • feature — A part or quality of something.
    features
  • repetitive — Doing the same action again and again.
  • routine — A regular set of actions or habits.
    routines
  • scan — A medical imaging test of the body or brain.
    MRI scans, PET scans
  • participant — A person who takes part in a study.
    participants

Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.

Discussion questions

  • Do you know someone with autism?
  • Do you have a daily routine you follow?
  • Have you ever had a medical scan like MRI or X-ray?

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