Abstract:
:To cope with variations in the environment, most mammalian species exhibit seasonal cycles in physiology and behaviour. Seasonal plasticity during the lifetime contributes to seasonal physiology. Over the years, our ideas regarding adult brain plasticity and, more specifically, hypothalamic plasticity have greatly evolved. Along with the two main neurogenic regions, namely the hippocampal subgranular and lateral ventricle subventricular zones, the hypothalamus, which is the central homeostatic regulator of numerous physiological functions that comprise sexual behaviours, feeding and metabolism, also hosts neurogenic niches. Both endogenous and exogenous factors, including the photoperiod, modulate the hypothalamic neurogenic capacities. The present review describes the effects of season on adult morphological plasticity and neurogenesis in seasonal species, for which the photoperiod is a master environmental cue for the successful programming of seasonal functions. In addition, the potential functional significance of adult neurogenesis in the mediation of the seasonal control of reproduction and feeding is discussed.
journal_name
Front Neuroendocrinoljournal_title
Frontiers in neuroendocrinologyauthors
Migaud M,Butrille L,Batailler Mdoi
10.1016/j.yfrne.2014.11.004subject
Has Abstractpub_date
2015-04-01 00:00:00pages
146-57eissn
0091-3022issn
1095-6808pii
S0091-3022(14)00104-6journal_volume
37pub_type
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