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International Journal of Morphology
versión On-line ISSN 0717-9502
Resumen
SEPULVEDA-LOYOLA, Walter et al. Tactile/Kinesthetic Stimulation Reverses the Effects of Prenatal Stress in the CA3 Region of the Hippocampus in Female Rats: A Stereological Study. Int. J. Morphol. [online]. 2018, vol.36, n.3, pp.1043-1048. ISSN 0717-9502. http://dx.doi.org/10.4067/S0717-95022018000301043.
This investigation was undertaken in order to know whether the postnatal tactile/kinesthetic stimulation is effective in reversing the Prenatal Stress, in the cytoarchitecture of the CA3 region of the hippocampus, in female pups. 12 pups of female rats from the Sprague-Dawley strain were distributed to Control Group (GC), the Prenatal Maternal Stress by restriction group (EP) and Prenatal Maternal Stress with postnatal tactile/ kinesthetic stimulation Group (EP-ETK). The Prenatal Maternal Stress in female pups increased neuronal density in CA3b and CA3c areas (p<0.001). When compared to Prenatal Maternal Stress, pups prenatal stress who received early tactile/kinesthetic stimulation showed a decrease in neuronal density in CA3b and CA3c areas (p < 0,001). Postnatal tactile/kinesthetic stimulation was shown to successfully reverse the Prenatal Maternal Stress effects by decreasing neuronal density in CA3b and CA3c hippocampal areas.
Palabras clave : Hippocampus; Early stimulation. Prenatal Stress; Stereology.