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. 2001 Feb 6;98(4):2089–2094. doi: 10.1073/pnas.031584398

Figure 2.

Figure 2

(A) Trials to a learning criterion of eight CRs in nine consecutive trials for four groups of older rabbits treated with 3.0 mg/kg Gal over 15 wk, 3.0 mg/kg Gal over 3 wk, 1.0 mg/kg Gal over 15 wk, or sterile saline vehicle. There was no difference during 15 days of acquisition in rabbits treated with 3.0 mg/kg Gal, so the groups are collapsed in B. (B) Response latency over 15 daily acquisition sessions in the older rabbits shown above treated with 3.0 mg/kg Gal, 1.0 mg/kg Gal, or 0.0 mg/kg Gal.