Fig 3. Effect of Tyr-Trp oral administration on the results of the Y-maze test.

(a) Number of total entries in the Y-maze test. (b) Number of spontaneous alternations. (c) Spontaneous alternation ratio. Values are means ± S.E.M. (n = 10). Differences between groups were analyzed using one-way analysis of variance followed by Tukey’s honestly significant difference test. Columns with different letters indicate significant differences at p < 0.05.