preferred_name: Maintains head upright for greater than 30 seconds, moving the head freely with control.
preferred_name_lc: maintains head upright for greater than 30 seconds, moving the head freely with control.
label: Maintains head upright for greater than 30 seconds, moving the head freely with control.
label_lc: maintains head upright for greater than 30 seconds, moving the head freely with control.