Bonanno and his colleagues found that there were four trajectories that could be used to categorize people’s grieving. These trajectories include resilient (those who never develop depression after the death of a loved one), chronic grieving (depression that begins after the death of a loved one and is prolonged), chronic depression (depression that began before the death of a loved one and continues or worsens after the death), and depressed improved (preexisting depression that abates after the death of a loved one).
