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. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: Eur J Neurosci. 2019 May 2;50(4):2663–2682. doi: 10.1111/ejn.14418

Fig. 3.

Fig. 3

Stable-isotope labeled DA (13C6-DA) was included in the aCSF perfusate during the dialysis test session in order to calculate an extraction fraction (Ed) for each sample collected. Infusing 13C6-DA did not affect endogenous dopamine concentration in dialysate [DA] (here not corrected for probe recovery) when compared to aCSF that lacked 13C6-DA (a). The average calculated Ed throughout the test did not differ between LimA, LgA, or IntA groups (10 baseline and 10 post-cocaine samples shown) (b). Values represent means ± SEMs.