2016
DOI: 10.1002/cne.24000
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Seasonal neuronal plasticity in song‐control and auditory forebrain areas in subtropical nonmigratory and palearctic‐indian migratory male songbirds

Abstract: This study examines whether differences in annual life-history states (LHSs) among the inhabitants of two latitudes would have an impact on the neuronal plasticity of the song-control system in songbirds. At the times of equinoxes and solstices during the year (n = 4 per year) corresponding to different LHSs, we measured the volumetric changes and expression of doublecortin (DCX; an endogenous marker of the neuronal recruitment) in the song-control nuclei and higher order auditory forebrain regions of the subt… Show more

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Cited by 6 publications
(2 citation statements)
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“…Circannual variations in songbird song learning have received a great deal of attention. For instance, brain nuclei important for song learning grow in volume during breeding season in a variety of species (Tramontin and Brenowitz, 2000; Van Meir et al, 2006; Surbhi et al, 2016), owing in part to neurogenesis (Nottebohm, 1989). In addition, the maintenance of new neural cells is enhanced at the beginning of the breeding season (Larson et al, 2019).…”
Section: Iterative Metaplasticity On a Longer-than-daily Timescale: I...mentioning
confidence: 99%
See 1 more Smart Citation
“…Circannual variations in songbird song learning have received a great deal of attention. For instance, brain nuclei important for song learning grow in volume during breeding season in a variety of species (Tramontin and Brenowitz, 2000; Van Meir et al, 2006; Surbhi et al, 2016), owing in part to neurogenesis (Nottebohm, 1989). In addition, the maintenance of new neural cells is enhanced at the beginning of the breeding season (Larson et al, 2019).…”
Section: Iterative Metaplasticity On a Longer-than-daily Timescale: I...mentioning
confidence: 99%
“…Non-circadian forms of iterative metaplasticity that are also endogenously generated may be viewed to niche memory function on non-daily timescales. That songbirds are best at song learning during mating season is a fitting illustration (Van Meir et al, 2006; Surbhi et al, 2016; Cornez, Collignon, et al, 2020). Whereas endogenously generated forms of iterative metaplasticity support predictive homeostasis, environmentally generated forms of iterative metaplasticity may instead support reactionary homeostasis, the better known type of homeostasis (Moore-Ede, 1986).…”
Section: The Functions Of Iterative Metaplasticitymentioning
confidence: 99%