SHARECOMMENTMORE

(USA TODAY) Seth Rogen, the actor best known for his roles in comedies such asKnocked Up, made an impassioned plea before a Senate panel about the economic impact of Alzheimer's disease and the need for federal funding for research.

After his appearance before the Senate Appropriations Committee panel that oversees Health and Human Services Department funding, Rogen posted several items on Twitter about his experience in the halls of Congress. He didn't mask his disappointment that there were only two senators in the room for his testimony.

Rogen singled out Sen. Mark Kirk, R-Ill., who tweeted a picture of himself with the actor - but apparently did not stay for Rogen's testimony.

Judging from the news stories about Wednesday's hearing, Rogen was eloquent, funny and touching as he described how the debilitating disease affected his mother-in-law at the age of 55 and prompted him and his wife to start a non-profit group, Hilarity for Charity, to raise awareness about Alzheimer's.