Serotonin in brain regions of rats differing in their inborn locomotor activity

Umriukhin, AE; Landgraf, R

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Serotonin in brain regions of rats differing in their inborn locomotor activity

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Umriukhin, AE
Max Planck Institute of Psychiatry, Max Planck Society;

Landgraf, R
Max Planck Institute of Psychiatry, Max Planck Society;

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Citation

Umriukhin, A., & Landgraf, R. (2002). Serotonin in brain regions of rats differing in their inborn locomotor activity. Zhurnal Vysshei Nervnoi Deyatelnosti Imeni I P Pavlova, 52(3), 374-376.

Cite as: https://hdl.handle.net/11858/00-001M-0000-000E-A1F7-3

Abstract

Serotonin contents in the paraventricular hypothalamic nucleus (PVN) and dorsal hippocampis of rats with different levels of inborn motor activity were studied by microdialysis in basal and stimulated conditions. Rats were exposed to elevated platform and forced swimming stress. In basal conditions, differences in serotonin contents between rats with different levels of inborn motor activity were found neither in hippocampus nor in PVN. In both kinds of stress conditions, serotonin content in hippocampus increased only in rats with higher level of inborn motor activity. Serotonin content in PVN dramatically increased during forced swiumming in both rat groups. This increase was significantly more pronounced in rats with low activity. The data suggest that serotonin release in stress depends on inborn motor activity, brain area dialyzed, and the stressor the animals were exposed t