Selective Mutism (SM) is a relatively rare anxiety disorder in which children who are talkative at home are unable to speak in more public settings, including school. Their behavior is often misinterpreted as an inability to speak at all, or as a willful refusal to speak.
Here are three of the most common myths about selective mutism in children.
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https://childmind.org/article/myths-about-selective-mutism/
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