Selective mutism is best described as an anxiety disorder that causes a normally verbal person to be unable to speak when exposed to certain situations. While it is estimated to affect around one ...

There is marked heterogeneity among patients with mutism, which raises the possibility of such varied conditions as advanced Alzheimer's disease, Pick's disease, and Creutzfeldt-Jakob Disease.

Mutism in older adults is not uncommon. It is often confused with severe depression, locked-in syndrome, and persistent vegetative state, but it is important to distinguish among them as the ...