Study suggests a shared logic of sensory processing across vertebrate brains
A study on zebrafish brains suggests that sensory processing follows a hierarchical system similar to that of mammals. This indicates that the way brains integrate separate sensory signals into a coherent perception may be a fundamental evolutionary trait.
Why it matters
Understanding shared neural mechanisms across species provides deeper insight into the evolution of cognition and sensory perception.
edited by Gaby Clark , reviewed by Robert Egan
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Add as preferred source Zebrafish Dorsal raphe neurons and their axons are labeled with fluorescent reporters and depth encoded. Credit: Bram Serneels, Kavli Institute for Systems Neuroscience. How does the brain make sense of what we see, hear and feel, and transform these separate signals into a coherent perception of the world?
A new study published in Science provides important clues by examining sensory processing in the zebrafish brain. Led by Professor Emre Yakşi of the Norwegian University of Science and Technology (NTNU), the research reveals that zebrafish organize and combine sensory information through a hierarchical system that resembles a fundamental feature of sensory processing in mammalian brains.
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