adult animal 14 article 14 controlled study 14 nonhuman 14 Animals 12 male 12 animal experiment 10 Male 8 animal cell 8 animal tissue 8 priority journal 8 female 6 protein expression 6 Androgens 4 Association Learning 4 Brachyura 4 Brain 4 Consolidation 4 Environment 4 Leydig cell 4 Memory 4 Mice 4 Neurons 4 Reconsolidation 4 Reproduction 4 androgen synthesis 4 animal behavior 4 animal model 4 associative memory 4 cell activation 4