Spatial ability is impaired and hippocampal mineralocorticoid receptor mRNA expression reduced in zebra finches (Taeniopygia guttata) selected for acute high corticosterone response to stress.

@article{Hodgson2007SpatialAI,
  title={Spatial ability is impaired and hippocampal mineralocorticoid receptor mRNA expression reduced in zebra finches (Taeniopygia guttata) selected for acute high corticosterone response to stress.},
  author={Zo{\"e} G. Hodgson and Simone L. Meddle and Mark L. Roberts and K L Buchanan and Matthew R. Evans and Reinhold Metzdorf and Manfred Gahr and Susan D. Healy},
  journal={Proceedings. Biological sciences},
  year={2007},
  volume={274 1607},
  pages={239-45}
}
In mammals, stress hormones have profound influences on spatial learning and memory. Here, we investigated whether glucocorticoids influence cognitive abilities in birds by testing a line of zebra finches selectively bred to respond to an acute stressor with high plasma corticosterone (CORT) levels. Cognitive performance was assessed by spatial and visual one-trial associative memory tasks. Task performance in the high CORT birds was compared with that of the random-bred birds from a control… CONTINUE READING
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