Digital measures of activity and motivation impact depression and anxiety in the real world. - Jacqueline M. Beltrán; Yael Jacob; Marishka Mehta; Tasnim Hossain; Abigail Adams; Samantha Fontaine; John Torous; Catherine McDonough; Matthew Johnson; Andrew D. Delgado; James W. Murrough; Laurel S. Morris (npj Digit. Medicine, 2025)