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VTA-SNr functional connectivity enhancement that was present in the SHR following a saline injection was absent after nicotine administration. CC = correlation coefficient, SD = Sprague-Dawley, SHR = spontaneously hypertensive rat, VTA-SNr = ventral tegmental area-substantia nigra, WKY = Wistar-Kyoto; *p < .05, **p < .01.
