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(A) Correlation of the D1 ensemble and test day active lever presses in the cocaine group. (B) Correlation of the D1 ensemble and test day active lever presses in the no‐cocaine group. (C) Correlation of the D2 ensemble and test day active lever presses in the cocaine group. (D) Correlation of the D2 ensemble and test day active lever presses in the no‐cocaine group.
