Adult hippocampal neurogenesis, a once unorthodox concept, has changed into one of the most rapidly growing fields in neuroscience. Numerous factors regulate adult neurogenesis including various neurotransmitters, hormones, stress, physical exercise learning and inflammation. Neurogenesis has been implicated in cognitive function and is stimulated by antidepressant drugs. A lasting reduction in neurogenesis following severe or chronic stress exposure, both in adult or early life, may represent impaired hippocampal plasticity and thus, can contribute to the cognitive symptoms of depression. Our aim is to understand the factors regulating this cellular process and to find novel approaches to stimulate this form of neural plasticity.
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