Patient laughs at points in a conversation that contain no comedic content. The laugh is too loud. The timing suggests they have not been listening but are attempting, in real time, to appear engaged. Has laughed through an announcement of a family member's hospitalization. Did not recover gracefully.
Chronic. Most frequent during tragic news delivery.
None. Follow-up questions make the error visible to a wider audience.
Patients with Pathological Laughter Insertion typically present with some or all of the following:
Patients diagnosed with Pathological Laughter Insertion present with a cluster of recognizable behaviors we have, on reflection, decided to name. The condition is fictional. The behaviors, unfortunately, are not. Someone in your life is showing at least two of them right now.
The Institute's taxonomic entry lists it as Risus inopportunus implausibilis, a binomial coined in-house and used nowhere in the peer-reviewed literature.
Think you have it? Find out what else you might be suffering from at the diagnosis generator. Or browse the full index of afflictions.