Symptoms include: malaise, headache, fever, violent movements, uncontrolled excitement, and periods of mania and lethargy, eventually leading to cannibalistic urges and behavior.
Results showed that both music and video games can cause significant increases in physical excitement, while violent video games cause higher levels of physical excitement than non-violent games.
The study, published in the American Journal of Psychiatry, said: "Readiness to retaliate violently if disrespected, excitement from violence, and short-term benefits from instrumental violence lead to further cycles of violence and risk of violent victimisation".
Fisherman Pete Carl Brissonn) and lawyer Philip Malcolm Keenn) are upstanding chaps and firm friends, but then Pete goes to sea and asks his pal to look after his girl Kate Anny Ondraa) while he's away... Sure, the plot is melodramatic and with little excitement of the violent and sinister sort we expect from Hitchcock, but this is a fine film.
She described their life together as moments of "suffocating dullness interspersed by violent and near suicidal flashes of excitement".
It's a terrible, ugly thing, and yet there's a certain response that you get from it, an excitement, because we're all violent people".
Van Gogh, mentally fragile and prone to violent mood swings, was fired up with childlike excitement.
Like Ossoli, a militiaman, Fuller was caught up in the excitement, danger and ultimate failure of the violent Roman revolution of 1848-49.
"We are waiting for the excitement," said graffiti at the protest site, words that strangely foretold the violent end to the protest.
All her excitement had seeped away, leaving behind a terrible sadness, an emptiness that felt violent, as if she'd been gouged.
