Precipitated withdrawal from nicotine reduces reinforcing effects of a visual stimulus for rats.
Weaver MT, Sweitzer M, Coddington S, Sheppard J, Verdecchia N, Caggiula AR, Sved AF, Donny EC. Precipitated withdrawal from nicotine reduces reinforcing effects of a visual stimulus for rats. Nicotine Tob Res. 2012 Jul; 14(7):824-32.