What is PBA, or
PBA is a condition that causes uncontrollable crying and/or laughing that happens suddenly and frequently. It can happen in people with a brain injury or certain neurologic conditions.
A person having a crying episode may cry when they don’t feel sad or when they only feel a little bit sad. Someone having a laughing episode may laugh when they don’t feel amused or when they only feel a little bit amused.
Participant is a real patient and has been compensated.
All participants are real patients/caregivers and have been compensated.
PBA and Depression
PBA is a condition of emotional expression — crying and/or laughing that's exaggerated or doesn't match how you feel. It's different from depression.
PBA is neurologic which means it’s caused by damage to the nervous system.
Conditions like depression are psychological which means they’re related to a person’s emotional or mental state.
What makes PBA different from depression*
Wondering if you or someone you love might have symptoms that suggest PBA?
Answer 7 short quiz questions about you or your loved one’s uncontrollable crying and/or laughing episodes.