The practice of uttering unintelligible, though fluent and speechlike, vocalizations. Often associated with religious practice, where it is more commonly known as speaking in tongues.
Example: A nun is hospitalized after standing up during Mass and screaming in an unknown language for several minutes.
Grinnell, R. (2008). Glossolalia. Psych Central. Retrieved on May 29, 2015, from http://psychcentral.com/encyclopedia/2008/glossolalia/