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Author  |
Krebs, J.R.; Clayton, N.S.; Hampton, R.R.; Shettleworth, S.J. |
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Title |
Effects of photoperiod on food-storing and the hippocampus in birds |
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Journal Article |
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Year |
1995 |
Publication |
Neuroreport |
Abbreviated Journal |
Neuroreport |
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Volume |
6 |
Issue |
12 |
Pages |
1701-1704 |
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Keywords |
Animals; Birds; Eating/*physiology; Female; Hippocampus/*physiology; Light; Male; *Photoperiod; Seasons; Telencephalon/physiology; Time Factors |
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Abstract |
Birds that store food have a relatively large hippocampus compared to non-storing species. The hippocampus shows seasonal differences in neurogenesis and volume in black-capped chikadees (Parus atricapillus) taken from the wild at different times of year. We compared hippocampal volumes in black-capped chickadees captured at the same time but differing in food-storing behaviour because of manipulations of photoperiod in the laboratory. Differences in food-storing behaviour were not accompanied by differences in the volume of the hippocampus. Hippocampal volumes also did not differ between two groups of a non-food-storing control species, house sparrows (Passer domesticus), exposed to the same conditions as the chickadees. |
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Address |
Edward Grey Institute of Field Ornithology, Department of Zoology, Oxford, UK |
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Language |
English |
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Series Volume |
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ISSN |
0959-4965 |
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Notes |
PMID:8527745 |
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no |
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Call Number |
refbase @ user @ |
Serial |
378 |
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