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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Modifications of adrenocortical responses following frontal cortex simulation in rats with hypothalamic deafferentations and medial forebrain bundle lesions.

With the purpose of delineating the neural pathways in the rat which mediate adrenocortical responses following frontal cortex stimulation, the effects of partial hypothalamic deafferentations and medial forebrain bundle lesion were studied. In intact and sham-operated animals, cortical stimulation through permanently implanted electrodes caused a significant increase in plasma corticosterone levels. In rats with anterior hypothalamic deafferentation and bilateral medial forebrain bundle lesions the adrenal response to cortical stimulation was blocked completely, while in animals with posterior hypothalamic deafferentation there occurred a normal rise in plasma corticosterone. These studies demonstrate that the frontal cortex effects on adrenocortical secretion are neurally mediated and involve an anterior hypothalamic input, more specifically the medial forebrain bundle.[1]

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