brain function controlled study 90 article 84 priority journal 78 male 76 Animals 70 Male 66 human 66 nonhuman 66 Humans 64 adult 56 female 42 Brain 40 animal experiment 40 physiology 40 Female 38 Adult 36 Neurons 34 animal 30 memory consolidation 28 human experiment 24 task performance 24 Memory 22 Mice 22 animal tissue 22 nerve cell 22 Article 20 brain 20 metabolism 20 mouse 20