What is Rejection Sensitive Dysphoria?

Rejection Sensitive Dysphoria is a symptom of ADHD not listed in the DSM-5 and is considered as a form of emotional dysregulation. It is extremely common (around 95% of ADHDers experience it) in both children and adults with ADHD, but as there is still very little research it is unclear whether it is a trait exclusive to people with ADHD.
Selective mutism is not elective, and this is why

Do you find that your teenager struggles to speak in some situations or environments, when otherwise they speak with ease and clarity? This could mean they are experiencing selective or situational mutism. For teenagers who are experiencing selective mutism, the issue can be long-standing and complex. We know that they can’t control when it happens […]