Neurogenesis in the adult mammalian nervous system
DOI:
https://doi.org/10.11606/issn.1984-5154.v3p9-14Keywords:
Learning and memory, adult neurogenesis, dentate gyrus, hippocampus.Abstract
The Spanish scientist Ramón y Cajal and his contemporaries advocated the idea that the adult mammalian nervous systems were immutable and new neurons could not arise. However, with the recent development of new techniques, it was possible to confirm the existence of neurogenesis in adulthood. Like most of the new neurons arise in a critical structure for memory functions, it is believed that they contribute to improve these functions and not only constitute ontogenetic traces. This brief review discusses some theories and experimental evidences regarding to the neurogenesis and its role in the adult mammalian nervous system.
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