What makes us human? Researchers compare brain development in humans and great apes
How did the human brain become so much larger than that of our closest evolutionary relatives? Part of the answer lies not in new genes, but in how humans and non-human apes use the genes they share. Using brain organoids grown from stem cells, an international team led by Prof.
The human brain's remarkable size and complexity have long fascinated scientists, and understanding its evolution is crucial to grasping what makes us human. By comparing brain development in humans and great apes, researchers are uncovering key differences in how our brains grow and mature. This study's use of brain organoids grown from stem cells is a significant methodological advance, allowing scientists to model and compare brain development in a controlled, lab-based setting.
This research has important implications for our understanding of human evolution and the origins of our cognitive abilities. By showing that differences in brain size between humans and great apes may not be due to new genes, but rather how existing genes are used, the study highlights the complex interplay between genetics and brain development. This finding also underscores the importance of studying the evolution of brain development, as it can reveal insights into the emergence of human-specific traits and abilities.
As researchers continue to explore the intricacies of human brain development, it's likely that this work will have significant implications for fields such as neuroscience, anthropology, and medicine. To watch next: future studies on the genetic and environmental factors influencing brain development, as well as research into how these findings might inform our understanding of neurological disorders and human cognition. The intersection of evolutionary biology, genetics, and neuroscience is likely to yield many exciting discoveries in the years to come.
Originally reported by phys.org. StudentNewsletter adds analysis for science & discovery readers.