Researchers are warning that neuroscientists may have crossed ethical boundaries by growing lumps of human brain in a lab — and in some cases transplanting the tissue into animals — which may be sentient and able to feel pain.
The small pea-sized “mini-brains” or brain “organoids” created by scientists are masses of tissue made from stem cells, which reportedly have developed brain waves.
The controversial work with organoids, which is being carried out by Green Neuroscience Lab, is being used to study neuroactivity, and has been used to investigate disorders and disease, such as schizophrenia and autism.
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