警察 PTSD 患者注意力偏差与服务犬的关系

Introduction PTSD is characterized by hypervigilance and attentional bias to threat, which can severely interfere with daily functioning. Stress exacerbates this bias by increasing amygdala activity and depleting prefrontal resources, reducing attentional control. The presence of a dog may help regulate attention by reducing stress. Methods This study investigates attentional bias to emotional faces in police officers with PTSD and examines whether the presence of their service or companion dog diminishes this bias by mitigating stress-related cognitive depletion, using a within subject design