http://scholar.google.com/scholar_url?url=http://www.sciencedirect.com/science/article/pii/S1575181316300791&hl=en&sa=X&scisig=AAGBfm1vLGUcMc2DXWcLmo5nwB_oeBkepQ&nossl=1&oi=scholaralrt
- Open Access funded by Fundación Lilly
- Under a Creative Commons license
Abstract
There
has been a shift in the understanding of brain, neurons, and their
functional role over the last two decades. Earlier it was believed that
the brain was a static organ and was not subject to any change
throughout life. An understanding was developed later that brain
reorganizes its structure by a specific property called neuroplasticity.
Recent research shows that the brain generates new neurons even in the
adult stage, and this process is called adult neurogenesis. Although
researchers still not have all the answers about the newborn neurons,
and why and how they are generated, and what is their role, some have
highlighted the importance of these in learning and memory formation,
and even in memories of fear and spatial navigation. A wide range of
environmental experience influences the generation of newborn neurons
and their functional variability. There are questions about how
different environmental experiences cause the differences in the
generation of new neurons. Recently the field of optogenetics attempted
to answer the questions on adult neurogenesis. However there are still
questions about adult neurogenesis which needs a more naturalistic
approach, for their better understanding.
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