The army used radio broadcasts into enemy territory as a form of 'psychological warfare'.
a 'psychological' rather than a physical condition
The abuse left him 'psychologically' scarred.
(..) It's on, bitch. - So who'd he get to be on his team? - He won't say. He just smiles and eats macaroons out of his bat jar. He's using psychological warfare. We must reply in kind. I say we wait until he looks at us, then laugh like, "Yes, you are a smart and strong competitor, (..)2008 TvShow: The Big Bang Theory Title: The Bat Jar Conjecture Season: 1 Episode 13