Spatial Memory Hippocampus

The hippocampus is the only area of the brain that can physically grow in size when knowledge is learned?

London taxi drivers have Hippocampus extended one (see link below). Your brain literally grow as more is learned geography skills. Can any another area of the brain expands? And could be potentially dangerous to learn much, perhaps by increasing pressure and increased cerebrospinal fluid the risk of stroke? Source: http://en.wikipedia.org/wiki/Hippocampus # Role_in_spatial_memory_and_navigation

This information is misleading. Article set continues, "… That means that the posterior hippocampus, a taxi driver is actually higher, but at the expense of the anterior portion." The changes in the hippocampus of taxi drivers some of its functions to include spatial memory. Areas within the hippocampus increase and decrease over the function, but the total number of brain cells is not increased. This is true for all central nervous system neurons – the brain's neurons are not replicated. However, nerves may not grow back once they are severed, but this process takes time.




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