Actor and comedian Seth Rogen has called out senators for not sticking around during his testimony in a hearing on Alzheimer’s disease research, saying it sent a poor message on how seriously they view the issue.

Mr. Rogen’s mother-in-law suffers from early-onset Alzheimer’s, and he set up an Alzheimer’s disease charity. He was in town to testify in front of a Senate Appropriation subcommittee on the disease and and give an emotional appeal for more funding for research — while also featuring some lighter material.