
However, there are specific irrational behaviors that are markers in people with PDD. People without any limitations can have a tendency towards irrational behaviors when upset or angry, so it is not surprising that irrational behaviors are more commonly seen in those diagnosed with PDD. Children, adolescents, and adults with ASDs display a range of measurable motor. Serotonin reuptake inhibitors (SRIs), the primary drug treatment for patients with OCD, may reduce the repetitive. Differential diagnosis of adolescent and adult pervasive developmental disorders/autism spectrum disorders (PDD/ASD): a not uncommon diagnostic dilemma. Results from recent studies suggest that the types of repetitive thoughts and behavior of adults with autism and those with obsessive-compulsive disorder (OCD) may be different. Limited cognition and the inability to communicate verbally with others can create frustration for the person with PDD. The Adult Autism and Developmental Disorders Center provides comprehensive mental health services for adults with any of a wide range of developmental. PDD-NOSpervasive developmental disordernot otherwise specified. Repetitive thoughts and behavior are considered integral and core components of autistic disorder. A proposal is made to recognise pathological demand avoidance syndrome (PDA) as a separate entity within the pervasive developmental disorders, instead of being classed under pervasive developmental disorder not otherwise specified (PDDnos, DSM-IV). Best Practices for Toddlers with Autism 1 High-functioning pervasive developmental disorders in adults Key features Impaired social and high-level communication skills, verbal and non-verbal (eg, eye contact) Impaired development of normal peer relationships A special interest that is abnormal in intensity or focus and/or obsessive non-functional routines and/or.For example, expressionistic language, such as "Hit the hay," to indicate taking a nap, or "Hit the road," to say goodbye, are lost in translation to someone with PDD, who may translate those idioms more literally. Difficulties with communicating, common to every pervasive developmental disorder, can lead to problematic behaviors. high-functioning pervasive developmental disorder (HFPDD) in a community sample of teenagers and adults aged 13 and above in the city of Sheffield, UK. People with PDD have a variety of mental limitations, from the incapability of concrete thinking to the inability to understand and process language.

Many of the irrational behaviors seen in children and adults with PDD can be attributed to problems with emotion regulation, maladaptive thinking patterns and problems with deductive and cognitive reasoning.
