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150325s2006 xx |||||o 00| ||eng c |
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|a (DE-627)JST069274371
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|a (JST)25223641
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a MacDonald, Ian F.
|e verfasserin
|4 aut
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|a Early Nutritional Stress Impairs Development of a Song-Control Brain Region in Both Male and Female Juvenile Song Sparrows (Melospiza melodia) at the Onset of Song Learning
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|c 2006
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|a Text
|b txt
|2 rdacontent
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|a Computermedien
|b c
|2 rdamedia
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|a Online-Ressource
|b cr
|2 rdacarrier
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|a Birdsong is a sexually selected trait and is often viewed as an indicator of male quality. The developmental stress hypothesis proposes a model by which song could be an indicator; the time during early development, when birds learn complex songs and/or local variants of song, is of rapid development and nutritional stress. Birds that cope best with this stress may better learn to produce the most effective songs. The developmental stress hypothesis predicts that early food restriction should impair development of song-control brain regions at the onset of song learning. We examined the effect of food restriction on song-control brain regions in fledgling (both sexes, 23-26 days old) song sparrows (Melospiza melodia). Food restriction selectively reduced HVC volume in both sexes. In addition, sex differences were evident in all three song-control regions. This study lends further support to a growing body of literature documenting a variety of behavioural, physiological and neural detriments in several songbird species resulting from early developmental stress.
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|a Copyright 2006 The Royal Society
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|a nutritional stress
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| 650 |
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|a neural development
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| 650 |
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|a HVC
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| 650 |
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|a sex differences
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| 650 |
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4 |
|a birdsong
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| 650 |
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|a Physical sciences
|x Physics
|x Acoustics
|x Bioacoustics
|x Animal sounds
|x Animal vocalization
|x Bird songs
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Birds
|x Songbirds
|x Sparrows
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Male animals
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Female animals
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| 650 |
|
4 |
|a Behavioral sciences
|x Ethology
|x Animal behavior
|x Animal social behavior
|x Mating behavior
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Birds
|x Songbirds
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Anatomy
|x Nervous system
|x Central nervous system
|x Prosencephalon
|x Telencephalon
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Developmental biology
|x Reproduction
|x Sex
|x Sex linked differences
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| 650 |
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4 |
|a Biological sciences
|x Biology
|x Developmental biology
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| 650 |
|
4 |
|a Social sciences
|x Population studies
|x Human populations
|x Persons
|x Adults
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| 650 |
|
4 |
|a Physical sciences
|x Physics
|x Acoustics
|x Bioacoustics
|x Animal sounds
|x Animal vocalization
|x Bird songs
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Birds
|x Songbirds
|x Sparrows
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Male animals
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Female animals
|
| 650 |
|
4 |
|a Behavioral sciences
|x Ethology
|x Animal behavior
|x Animal social behavior
|x Mating behavior
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Zoology
|x Animals
|x Birds
|x Songbirds
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Anatomy
|x Nervous system
|x Central nervous system
|x Prosencephalon
|x Telencephalon
|
| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Developmental biology
|x Reproduction
|x Sex
|x Sex linked differences
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| 650 |
|
4 |
|a Biological sciences
|x Biology
|x Developmental biology
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| 650 |
|
4 |
|a Social sciences
|x Population studies
|x Human populations
|x Persons
|x Adults
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| 655 |
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4 |
|a research-article
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| 700 |
1 |
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|a Kempster, Bethany
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zanette, Liana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a MacDougall-Shackleton, Scott A.
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Proceedings: Biological Sciences
|d The Royal Society
|g 273(2006), 1600, Seite 2559-2564
|w (DE-627)JST069249288
|x 09628452
|7 nnns
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| 773 |
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|g volume:273
|g year:2006
|g number:1600
|g pages:2559-2564
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|u https://www.jstor.org/stable/25223641
|3 Volltext
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|a AR
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|d 273
|j 2006
|e 1600
|h 2559-2564
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