![]() ![]() The research will help show how evolutionary adaptations occurred in the visual system, which will also point the way for further research into how other parts of the brain evolved. A concurrent effort will investigate the visual cortex, a structure common to all mammals, and will focus on tracing the origins of early developmental epochs known as “critical periods”, where neural networks in the brain show exquisite plasticity to sensory experience. ![]() He will examine if evolution led to the rise of new types or modification of existing types, including changes in morphology, function, or connectivity. Shekhar’s research will examine the evolutionary conservation and divergence of neuronal types in the retina of several vertebrate species, from fish to birds to mammals, and use computational approaches to reconstruct the evolution of neural diversity. By understanding the neuronal composition in the retinas of different species, and how those neurons are organized, he hopes to uncover how evolution has acted to accommodate distinct visual requirements – and furthermore, uncover the genetic underpinnings of neural network and brain evolution.ĭr. His research focuses on the visual system of the brain, specifically the retina and the primary visual cortex, which are remarkably well conserved across species separated by hundreds of millions of years of evolution. Shekhar’s lab seeks to understand how diverse neural types and their organization evolved to serve the needs of different animals. ![]()
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