Throughout the past seven years, the number of children and teens in New England with developmental or emotional disorders has increased exponentially, the Kids Count Data Center reports. Developmental disorders are conditions that interrupt a child’s development. They include Autism Spectrum Disorder, Down syndrome, cerebral palsy and spina bifida. Emotional disorders affect a person’s ability to be happy, control their emotions and pay attention in school. They include attention-deficit/hyperactivity disorder (ADHD), oppositional defiant disorder, anxiety, depression and bipolar disorder.