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Feb. 8th, 2009 12:12 pmIn a series of elegant experiments, starting in the early 1980s, Nottebohm and his colleagues
showed that , indeed, thousands of new neurons are added every day to the avian brain. They did so by, first, showing the production of new cells with thymidine labelling42; second, producing ultrastructural evidence that the new cells were neurons receiving synapses43; and last, in a technical tour de force, showing that the putative neurons responded to sound with action potentials44.In subsequent studies, they showed that the
axons of new neurons extended over long distances, that neuronal birth and death proceeded in parallel, that in both singing and nonsinging species neurogenesis was widespread throughout the avian forebrain — including
the hippocampus — and that in the latter structure it was modulated by environmental complexity and learning experience39–47. Charles G. Gross. Neurogenesis in the adult brain: death of a dogma. Science. Volume 1. Oct. 2000. http://www.nature.com/nrn/journal/v1/n1/pdf/nrn1000_067a.pdf
adult birds shed and grow neurons on a regular basis. human brain does it too, but to a lesser degree. I wonder if the future of AI lies in the ability to add and drop intelligence at will. or more precise, to regulate the amount of intelligence (what is intelligence?) depending on the task.
in addition to that, it would be interesting to consider brain as intelligent infrastructure that solves problems while running signals from detection to execution or storage units. what is the role of prototypes?
