Sensory Processing Disorder (or Sensory Integration Dysfunction) is one of the most misdiagnosed mental health related issue in children. Many with SPD are diagnosed as ADHD and given medication that does not work. ADHD or Sensory Processing Disorder (SPD) If your child exhibits the following behavioural patterns: impulsive, hyper, inappropriate touching of others, inappropriate taking of things that belong to others, inappropriate and frequent movement, distractible, unawar