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An extended family with a dominantly inherited speech disorder
J A Hurst1, M Baraitser, E Auger
1Department of Clinical Genetics, Hospital for Sick Children, London.
Developmental Medicine and Child Neurology
|April 1, 1990
Abstract:
A three-generation family is described in which 16 members have a severe developmental verbal dyspraxia. Inheritance is autosomal dominant, with full penetrance. Intelligence and hearing are normal.
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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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A persistent pattern of angry or irritable mood, defiant behavior, or vindictiveness characterizes Oppositional Defiant Disorder (ODD). Symptoms must occur over at least six months, involve interactions with individuals beyond siblings, and meet specific diagnostic criteria to be clinically significant. The disorder affects emotional regulation, social interactions, and behavior, often manifesting early in life and influencing long-term development and functioning.
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