Editing Tears (section)

=== Pseudobulbar affect ===
[[Pseudobulbar affect]] (PBA) is a condition involving episodic uncontrollable laughter or crying. PBA mostly occurs in people with neurological injuries affecting how the brain controls emotions.<ref>{{Cite web|url=https://www.mayoclinic.org/diseases-conditions/pseudobulbar-affect/symptoms-causes/syc-20353737|title=Pseudobulbar affect - Symptoms and causes|website=Mayo Clinic|access-date=2019-06-18}}</ref> Scientists believe PBA results from prefrontal cortex damage.<ref>{{Cite web|url=https://www.webmd.com/brain/pseudobulbar-affect|title=Pseudobulbar Affect: What Is It?|website=WebMD|access-date=2019-06-18}}</ref> PBA often involves crying. Hence, PBA is mistakable for depression. But PBA is neurological; depression is psychological.<ref>{{Cite web|url=https://www.pbainfo.org/about-pba|title=About PBA|date=2014-03-10|website=PBA Info|access-date=2019-06-18}}</ref> Patients with PBA do not experience typical depression symptoms like sleep disturbances or appetite loss.