Action Potentials 1 Animals 1 Finches 1 Male 1 Motor Cortex 1 Taeniopygia guttata Vocalization, Animal 1 action potential 1 adult 1 animal 1 article 1 finch 1 human 1 human experiment 1 learning 1 local field potential 1 locomotion 1 male 1 mammal 1 motor cortex 1 nonhuman 1 oscillation 1 physiology 1 vocalization 1