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- W2766457978 abstract "Brain development and behavior are sensitive to a variety of environmental influences including social interactions and physicochemical stressors. Sensory input in situ is a mosaic of both enrichment and stress, yet little is known about how multiple environmental factors interact to affect brain anatomical structures, circuits, and cognitive function. In this study, we address these issues by testing the individual and combined effects of sub-adulthood thermal stress, larval density, and early-adulthood living spatial enrichment on brain anatomy and olfactory associative learning in adult Drosophila melanogaster. In response to heat stress, the mushroom bodies (MBs) were the most volumetrically impaired among all of the brain structures, an effect highly correlated with reduced odor learning performance. However, MBs were not sensitive to either larval culture densities or early-adulthood living conditions. Extreme larval crowding reduced the volume of antennal lobes, optic lobes, and central complex. Neither larval crowding nor early-adulthood spatial enrichment affected olfactory learning. These results illustrate that various brain structures react differently to environmental inputs, and that MB development and learning are highly sensitive to certain stressors (pre-adult hyperthermia) and resistant to others (larval crowding)." @default.
- W2766457978 created "2017-11-10" @default.
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- W2766457978 date "2017-01-01" @default.
- W2766457978 modified "2023-10-17" @default.
- W2766457978 title "Environmental effects on <i>Drosophila</i> brain development and learning" @default.
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- W2766457978 doi "https://doi.org/10.1242/jeb.169375" @default.
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