By Owen Gleiberman
Updated February 20, 2008 05:00 AM
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An electronic signal, sent through television screens, reduces people to their raging ”primal” selves. They’re not zombies — they are just murderously angry. Told in three sections (each with a different director), this Look Ma, no hands! And no head either! horror film makes a Mixmaster stew out of Poltergeist, Invasion of the Body Snatchers, Re-Animator, They Came From Within, and Shaun of the Dead. The Dada gross-out jokes are inventive, but The Signal mostly comes down to rage fiends going at one another with baseball bats, knives, pesticide tanks, and power drills. C+