definition.
Selective mutism (SM), formerly called elective mutism, is defined as a disorder of childhood characterized by an inability to speak in certain settings (e.g. at school, in public places) despite speaking in other settings (e.g. at home with family). SM is associated with anxiety and may be an extreme form of social phobia according to researchers and clinicians who are familiar with the disorder (Black & Uhde, 1995; Dow et al., 1995, Dummit et al., 1997, Kristensen, 2001; Leonard & Dow, 1995).
Meeting diagnostic criteria
Affected individuals understand language use and, although they have the physical and cognitive ability to speak, they demonstrate a persistent inability to speak in particular settings over a particular period of time due to anxiety. This differs from the developmentally appropriate behavior of a child with limited speaking and social interaction behaviors during the first month of school or daycare when he or she is adjusting to a new social environment with peers and teachers. SM also differs from shyness, which is a socially adaptable personality trait.
To meet diagnostic criteria, the child or adolescent with SM shows significant impairment in daily functioning, typically in educational or occupational settings, and by refraining from social participation at school and other settings due to a pronounced fear of speaking. Most affected children and adolescents function normally in other ways and learn age appropriate skills; however, some may have other comorbid anxiety disorders, developmental delays such as impaired social skills, and communication disorders in addition to SM.
Below a documentary called Help Me To Speak that follows two children through their struggles with selective mutism.
To meet diagnostic criteria, the child or adolescent with SM shows significant impairment in daily functioning, typically in educational or occupational settings, and by refraining from social participation at school and other settings due to a pronounced fear of speaking. Most affected children and adolescents function normally in other ways and learn age appropriate skills; however, some may have other comorbid anxiety disorders, developmental delays such as impaired social skills, and communication disorders in addition to SM.
Below a documentary called Help Me To Speak that follows two children through their struggles with selective mutism.
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