This document discusses sensory processing disorder and how it can lead to challenging behaviors in children. It defines sensory processing disorder as difficulty processing and responding to sensory information from the senses. Children with autism or developmental disabilities often have sensory issues. The causes are not fully known but may involve irregular brain function. The document describes how children can be either sensory seekers who crave stimulation or sensory avoiders who are overstimulated easily. It provides interventions for each type and tips for managing tantrums which may result from sensory overload.