Fig. 3
From: Effect of horse sleep behavior on performance in a field-side spatial reversal learning test
Setup of the preschooling phase of the reversal learning test: Horses were gradually introduced to the test objects by presenting them one at a time in the following order: (A) Object 1 placed near the bucket, (B) Object 2 placed near the bucket, (C) Object 2 placed far from the bucket, and (D) Object 1 placed far from the bucket.
