Monday, February 1, 2010

Seeing the brain hear reveals surprises about how sound is processed

Seeing the brain hear reveals surprises about how sound is processed

Bandyopadhyay et al. Dichotomy of functional organization in the mouse auditory cortex. Nature Neuroscience, 2010; DOI: 10.1038/nn.2490
We discovered that the organization of the cortex does not look as pretty as it does in the textbooks, which surprised us," explains Kanold. "Things are a lot messier than expected." And we don't see evidence of the maps previously proposed using less precise techniques." But the disorder they found could indicate that the brain is far more adaptable than previously thought. "These results may rewrite our classical views of how cortical circuits are organized and what functions they serve," suggests Dr. Shihab Shamma, whose previous research has involved mapping responses in the auditory cortex using traditional microelectrodes.

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