Our ability to study the developing human brain has recently been dramatically advanced by the development of human 'brain organoids', three-dimensional culture systems that recapitulate selected aspects of human brain development in reductionist, yet complex, tissues in vitro. Here I discuss the promises and challenges this new model system presents.

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Dr. Arlotta is interested in understanding the molecular laws that govern the birth, differentiation and assembly of the cerebral cortex, the part of the brain that controls how we sense, move and think. She integrates developmental and evolutionary knowledge to investigate therapies for brain repair and for modeling neuropsychiatric disease.

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