Neuronal filters for broadband information transmission in the brain
As in broadband information technology, the nervous system transmits different messages simultaneously from one brain region to others. But how are messages retrieved at the other end without confusing them? Scientists from the Friedrich Miescher Institute for Biomedical Research (FMI) have discovered neuronal filters between the olfactory bulb and the cortex that can handle this problem. In a study published in Nature they show that neuronal filtering in the cortex can extract information about specific odors from the plethora of information that is broadcast by the olfactory bulb. This filtering is likely to be important for the perception and memory of odors, and may also be implemented in other brain areas.
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