Generalization of red color preference in a “different condition” of the T-maze at Baseline, following Conditioning and Extinction phases of CPP paradigm.

<div><p>Y-axis: percent of red arm choices over 14 consecutive trials.</p> <p>X-axis – zebrafish age/strain.</p> <p>White bar – Baseline; diagonal pattern – after Conditioning, black – after Extinction.</p> <p>* p<0.05 relative to each group Baseline.</p>