Scientists grow 'mini brain' to study neuropsychiatric disorders
Johns Hopkins scientists have built a lab-grown "mini brain" that acts like an early-stage human brain, connecting different regions and even producing electrical signals.
This tiny organoid could help researchers dig deeper into complex conditions like autism, schizophrenia, and Alzheimer's—all without needing to rely on animal testing.
The MRBO mimics about 80% of fetal brain cell types
The MRBO (multi-region brain organoid) mimics about 80% of fetal brain cell types and shows how nerve cells and blood vessels interact as the brain develops.
By tracking its electrical activity, researchers get a clearer look at what might go wrong in neuropsychiatric disorders—opening doors for new discoveries.
As mini brains get smarter, ethical concerns arise
As these mini brains get smarter, some people worry about them becoming conscious.
A recent survey found opinions split: nearly a quarter oppose experiments if the organoids could be aware, while others are okay with research if strict checks are in place.
The debate is heating up as science moves forward.