The Brock University associate professor of pop culture and film knows a thing or two about horror. He's an expert in spooky films and what makes horror buffs tick -- the kind of guy who can tell why we get freaked out and by what. We sat down with Henderson to grill him on the freakier side of our nature. 1 What is it about the horror genre that appeals to people? Scott Henderson: "I think it's the way in which it kind of resolves problems for people in a really formulaic way. There's thrills. There's chills. There's enjoyment out of that. But ultimately, these problems get resolved, which is nice. It's an answer to these kind of questions, whether it's silver bullets, stakes to the heart, shots to the head if we're talking zombies. The kind of rules and everything are nice and neat and gives us some sort of satisfaction." 2 With special effects and the Internet on the scene, are people harder to scare these days? SH: "I think the nature of scare has definitely had to change, because we've now seen it all, in some ways, the kind of things that once were horrific. I think things have moved a lot more towards types of psychological horror, to keep us on edge, to keep us scared or just set up ideas in our mind that will be a little more difficult to deal with or sort of cope with. "That sense of unease, I think, is