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. 2014 Apr 2;34(14):4905–4913. doi: 10.1523/JNEUROSCI.4404-13.2014

Figure 4.

Figure 4.

Phasic dopamine evoked during pellet retrieval is potentiated by intra-LH ghrelin. A, Average dopamine concentration evoked during pellet retrieval before (gray) and after (black) intra-LH aCSF infusion (n = 6). B, Average dopamine concentration evoked during pellet retrieval before (gray) and after (red) intra-LH ghrelin infusion (n = 5). C, Peak dopamine evoked during pellet retrieval before and after intra-LH infusion of aCSF or ghrelin. D, Intra-LH ghrelin increased postsession chow intake, relative to vehicle. E, Coronal brain sections modified from Paxinos and Watson (2007). Colored squares indicate approximate locations of cannula tips from all rats used in LH infusion experiments (black, aCSF; red, ghrelin). Numbers at left indicate approximate distance from bregma in millimeters. F, Representative coronal brain slice with LH cannula stained for orexin-A. 3V, third ventricle; f, fornix; mt, mammillothalamic tract. Error bars indicate mean ± SEM; *p < 0.05, ***p < 0.001.