“Selective mutism [also sometimes referred to as Situational Mutism] is an anxiety disorder where a person is unable to speak in certain social situations, such as with classmates at school or to relatives they do not see very often. It usually starts during childhood and, if left untreated, can persist into adulthood.
Reddit Selective Mutism Subreddit:
https://www.reddit.com/r/selectivemutism/
Cedars-Sinai - Selective Mutism:
https://www.cedars-sinai.org/health-library/diseases-and-conditions---pediatrics/s/selective-mutism.html#:~:text=Selective%20mutism%20is%20when%20a,It%27s%20a%20rare%20childhood%20condition
NHS - Selective Mutism:
https://www.nhs.uk/mental-health/conditions/selective-mutism/
SelectiveMutism.org:
https://www.selectivemutism.org
Cleveland Clinic - Selective Mutism:
https://my.clevelandclinic.org/health/diseases/selective-mutism
American Speech-Language-Hearing Assocatiion:
https://www.asha.org/practice-portal/clinical-topics/selective-mutism/
Wikipedia - Selective Mutism:
https://en.wikipedia.org/wiki/Selective_mutism
Child Mind Institute: How to help a child with Selective Mutism:
https://childmind.org/guide/parents-guide-how-to-help-a-child-with-selective-mutism/
National Library of Medicine: Selective Mutism:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2861522/