“…There are a number of things which have been correlated in the literature as triggers for violence, including: pain, reduced vision and/or hearing, changes in the environment, excessive noise or activity, locked doors, limited privacy or space, and quality of relationship with caregivers (Enmarker, Olsen, & Hellzen, 2011; Kunik et al, 2010). Depression and premorbid aggressive personality traits may also be related to aggressive or violent behavior (Enmarker, Olsen, & Hellzen, 2011; Kunik et al, 2010; O'leary, Jyringi & Sedler, 2005).…”