A condition of limited mental ability, indicated by an intelligence score below 70 and difficulty in adapting to the demands of life; varies from mild to profound.
A. Persistent difficulties in the social use of verbal and nonverbal communication as manifested by all of the following:
1. Deficits in using communication for social purposes, such as greeting and sharing information, in a manner that is appropriate for social context. 2. Impairment in the ability to change communication to match context or the needs of the listener, such as speaking differently in a classroom than on a playground, talking differently to a child than to an adult, and avoiding use of overly formal language. 3. Difficulties following rules for conversation and storytelling, such as taking turns in conversation, rephrasing when misunderstood, and knowing how to use verbal and nonverbal signals to regulate interaction. 4. Difficulties understanding what is not explicitly stated (e.g., making inferences) and nonliteral or ambiguous meaning of language (e.g., idioms, humor, metaphors, multiple meanings that depend on the context for interpretation.)
Autism Spectrum Disorder
Developmental disorder marked by extreme unresponsiveness to others, sever communication deficits and highly repetitive and ridged behaviors, interest and activities.
Attention-Deficit Hyperactivity Disorder
Is a psychological disorder characterized by the appearance by age seven of one or more of the three symptoms: extreme inattention, hyperactivity, and impulsivity
Specific Learning Disorder
-Difficulties learning/using academic skills for >6mos despite targeted intervention
-Substantially below expected for age
-Significant interference with school/work performance or daily living activities
-Must begin during school age years
-Not better accounted for by vision/hearing problem, another mental disorder, lack of language proficiency, adversity or poor instruction
-Performance/achievement significantly below what would be expected for someone of same age, schooling, and intelligence
disorders of the nervous system that cause abnormal and involuntary movements. They can result from damage to the motor system. ... The DSM-5 motor disorders include developmental coordination disorder, stereotypic movement disorder, and the tic disorders including Tourette syndrome