Many ethical, as well as supply issues, surround the use of human brain tissue in research, because of this stem cells are used to develop mini-brains or ‘organoids’, a pea-sized model of the human brain, in a lab dish. By using a culture medium mimicking the environment of brain development, the stem cells self-organize into a 3D structure resembling the developing human brain. However, only … Continue reading Brain waves detected in lab-grown mini brains.