Overview Persistent (Chronic) Motor or Vocal Tic Disorder involves either motor or vocal tics, but not both, that have been present for more than a year since the first tic onset, typically beginning in childhood. Signs and Symptoms Motor tics can include blinking, shoulder shrugging, or other sudden repetitive movements; vocal tics can include throat …
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Overview Global developmental delay is diagnosed in children under age five who fail to meet expected developmental milestones in two or more domains, such as motor, language, cognitive, or social skills, used when a child is too young for standardized cognitive testing. Signs and Symptoms Symptoms can include delayed walking, talking, or other milestones relative …
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Overview Social (pragmatic) communication disorder involves persistent difficulties in the social use of verbal and nonverbal communication, such as using language for social purposes or following conversational rules, without the restricted or repetitive behaviors seen in autism spectrum disorder. Signs and Symptoms Symptoms can include difficulty adjusting communication to different social contexts, trouble following conversational …
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Overview Speech sound disorder involves persistent difficulty with speech sound production that interferes with speech intelligibility or prevents verbal communication of messages, with onset in the early developmental period. Signs and Symptoms Symptoms can include substituting, omitting, or distorting speech sounds beyond what is expected for the child’s age, affecting how well others understand their …
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Overview Stereotypic movement disorder involves repetitive, seemingly driven, and purposeless motor behavior, such as hand-shaking, hand-flapping, body-rocking, or head-banging, that interferes with social, academic, or other activities. Signs and Symptoms Symptoms can include repetitive movements occurring regularly, sometimes resulting in self-injury, particularly with behaviors such as head-banging. Experiencing one or more of these symptoms does …
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Overview Developmental coordination disorder involves acquisition and execution of coordinated motor skills substantially below what is expected for chronological age, interfering with activities of daily living, with onset in the early developmental period. Signs and Symptoms Symptoms can include clumsiness, being slow or inaccurate in motor tasks such as catching objects, handwriting, or riding a …
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Overview Tourette’s disorder involves both multiple motor tics and one or more vocal tics that have been present at some point during the illness, though not necessarily concurrently, for more than one year, with onset before age 18. Signs and Symptoms Symptoms can include sudden, repetitive movements such as blinking or shrugging, and vocal tics …
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Overview Provisional tic disorder involves single or multiple motor or vocal tics that have been present for less than one year since first tic onset, with onset before age 18, and criteria for Tourette’s disorder have never been met. Signs and Symptoms Symptoms can include brief, repetitive movements or sounds that fluctuate in frequency and …
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Overview Childhood-onset fluency disorder, commonly called stuttering, involves disturbances in the normal fluency and time patterning of speech, such as sound repetitions or prolongations, inappropriate for the individual’s age, with onset in the early developmental period. Signs and Symptoms Symptoms can include repeating sounds or syllables, prolonging sounds, noticeable pauses or blocks in speech, and, …
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Overview Specific learning disorder involves persistent difficulties learning key academic skills, such as accurate reading, written expression, or mathematics, with performance well below expected for age despite appropriate instruction, beginning during school-age years. Signs and Symptoms Symptoms can include inaccurate or slow, effortful reading, poor written expression, or difficulty with number sense and mathematical reasoning, …
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