Uncontrolled crying: characteristics and differences from normative crying.

Background: Uncontrolled crying (UC) is a prevalent poststroke phenomenon of elderly patients, socially disabling and interfering with rehabilitation. There are many differences in opinions and nonclarity in the literature relating to UC.

Objective: To examine two basic questions regarding UC that have as yet not been experimentally studied: typical situations where UC occurs and how UC differs from normative crying (NC).