1A disorder marked by excessive anxiety, even panic, whenever the person is separated from home, a parent, or another attachment figure.
separation anxiety disorder
2A disorder marked by failure to speak in certain social situations when speech is expected, despite ability to speak in other situations.
selective mutism
3An approach to treating childhood disorders that helps children express their conflicts and feelings indirectly by drawing, playing with toys, and making up stories.
play therapy
4A childhood disorder marked by severe recurrent temper outbursts along with a persistent irritable or angry mood.
disruptive mood dysregulation disorder
5A disorder in which children are repeatedly argumentative, defiant, angry, irritable, and perhaps vindictive.
oppositional defiant disorder
6A disorder in which children repeatedly violate the basic rights of others and display significant aggression.
conduct disorder
7A treatment approach for conduct disorder in which therapists combine family and cognitive-behavioral interventions to help improve family functioning and help parents deal with their children more effectively.
parent management training
8A childhood disorder marked by repeated bed-wetting or wetting of one's clothes.
enuresis
9A childhood disorder characterized by repeated defecating in inappropriate places, such as one’s clothing.
encopresis
10A group of disabilities— including ADHD, autism spectrum disorder, and intellectual disability— in the functioning of the brain that emerge at birth or during very early childhood and affect one’s behavior, memory, concentration, or ability to learn.
neurodevelopmental disorders
11A disorder marked by the inability to focus attention, or by overactive and impulsive behavior, or both.
attention-deficit/hyperactivity disorder (ADHD)
12A stimulant drug, better known by the trade names Ritalin or Concerta, commonly used to treat ADHD.
methylphenidate
13A developmental disorder marked by extreme unresponsiveness to others, severe communication deficits, and highly repetitive and rigid behaviors, interests, and activities.
autism spectrum disorder
14An awareness that other people base their behaviors on their own beliefs, intentions, and other mental states, not on information that they have no way of knowing.
theory of mind
15Sharing focus with other people on items or events in one’s immediate surroundings, whether through shared eyegazing, pointing, referencing, or other verbal or nonverbal indications that one is paying attention to the same object.
joint attention
16A method for enhancing the communications skills of people with autism spectrum disorder, intellectual disability, or cerebral palsy by teaching them to point to pictures, symbols, letters, or words on a communication board or computer.
augmentative communication system
17A disorder marked by intellectual functioning and adaptive behavior that are well below average. Previously called mental retardation.
intellectual disability (ID)
18A score derived from intelligence tests that theoretically represents a person’s overall intellectual capacity.
intelligence quotient (IQ)
19A form of intellectual disability caused by an abnormality in the 21st chromosome.
Down syndrome
20A group of problems in a child, including lower intellectual functioning, low birth weight, and irregularities in the hands and face, that result from excessive alcohol intake by the mother during pregnancy.
fetal alcohol syndrome
21A state-supported institution for people with intellectual disability.
state school
22The principle that institutions and community residences for people with intellectual disability should provide living conditions and opportunities similar to those enjoyed by the rest of society.
normalization
23An approach to educating children with intellectual disability in which they are grouped together and given a separate, specially designed education.
special education
24The placement of children with intellectual disability in regular school classes. Also known as inclusion.
mainstreaming