Cordero, IsabelMerino Martín, José JoaquínSandi, Carmen2025-01-272025-01-271998Cordero MI, Merino JJ, Sandi C. Correlational relationship between shock intensity and corticosterone secretion on the establishment and subsequent expression of contextual fear conditioning. Behav Neurosci. 1998 Aug;112(4):885-91. doi: 10.1037//0735-7044.112.4.885. PMID: 9733194.0735-704410.1037/0735-7044.112.4.885.https://hdl.handle.net/20.500.14352/116394A role for corticosterone in the consolidation of contextual fear conditioning has previously been proposed. In this study, physiological evidence was found to support this view. The extent of conditioned fear and the levels of plasma corticosterone in rats, after context exposure at training and at different posttraining times (24 hr and 7 days), depended on the intensity of the unconditional stimulus (footshock). In each experimental session, a positive correlation was found between the magnitude of corticosterone levels and the fear-related behavioral inhibition exhibited in the context. Results support the involvement of corticosterone on the processes that occur during consolidation in determining the strength at which the contextual fear conditioning is stored as a long-term memory.engjournal articlehttps://doi.org/10.1037/0735-7044.112.4.885https://pubmed.ncbi.nlm.nih.gov/9733194/restricted accessCorticosteroneRodent stress modelCiencias24 Ciencias de la Vida