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While both the adrenal medulla and sympathetic nervous system are important in mediating the catecholaminergic response to stress, there are crucial differences in the mechanism. Stress elevates tyrosine hydroxylase (TH) protein and mRNA levels in both the adrenal medulla and sympathetic ganglia....
The aim of the current study was to generate socially conditioned fear in two different strains of rat (Wistar, W and Sprague Dawley, SD ) using social conflict, in order to investigate whether the magnitude of the conditioned fear responses in each strain was related to behaviour exhibited prior...