PBA*

DEPRESSION*

UNDERLYING CONDITION

PBA

Occurs in people with brain injuries or neurologic conditions, such as TBI, Alzheimer’s and dementia, stroke, MS, Parkinson’s,
and ALS

Depression

May or may not have underlying condition

SYMPTOMS

PBA

Sudden, frequent
crying, laughing, or both

Depression

May include crying, loss of interest or pleasure, sad mood, appetite changes, or sleeping too much or too little§

DURATION

PBA

Brief crying and/or laughing episodes last seconds to minutes

Depression

Depression symptoms may last weeks to months

EPISODE CONTROL

PBA

Crying and/or laughing episodes are uncontrollable

Depression

Crying, if present, may be voluntarily controlled or managed

EXPRESSION vs FEELINGS

PBA

Crying and/or laughing are exaggerated or do not match how you feel

Depression

Outward expression matches feelings or intent

ACCOMPANYING THOUGHTS

PBA

Episodes may not be related to a happy or depressed mood

Depression

Crying, if present, matches mood