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Ventral and Dorsal Hippocampus of rats similarly modulate autonomic responses evoked by restraint stress

The hippocampus is a brain structure divided into dorsal (DH) and ventral (VH) portions. Stimulation of these areas evokes autonomic changes. During restrain stress (RS) hippocampus neurons are activated, besides causing hormonal changes and autonomic responses such as increased heart rate (HR) mean arterial pressure (MAP) and reduction of tail temperature. Thus, the aim of our study was to investigate the involvement of VH and DH on the autonomic responses, caused by the RS.