Imagine the sensory overload for an autistic child traveling by ambulance to emergency care, especially when the shrill of sirens sound for safe passage through traffic.Erik Davidson, a paramedic with Northfield EMS, and his wife Jo-Ann, a special education teacher, have learned that alarms, such as the sound for school fire drills, are unsettling to their 12-year-old autistic daughter, Janelle.Hoping to minimize such trauma for children across Massachusetts, the couple worked […]