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Gapes emitted to the CS+ on Trial 3 (left panels) and to the CS− on Trial 1 (right panels) for the Low and High Drug-Takers as a function of terminal active spout responses (Panels A and B), Terminal Log10 Latency to make the first cocaine infusion (Panels C and D), Terminal Load-UP Infusions (Panels E and F), and Terminal Infusions (Panels G and H) during Trials 14 and 15.
