The brain benefits of your child's dinosaur obsession

Story highlights

  • Researchers don't know exactly what sparks "intense interests"
  • Vehicles and dinosaurs are the most common of kids' obsessions
  • Studies show that intense interests make better learners and smarter kids

Susan Alloway's daughter Erin was very specific about her Halloween costume. It couldn't be just any dinosaur: Erin, 6, wanted to be an Ozraptor.

For the record, an Ozraptor is an abelisauroid theropod dinosaur that lived in modern-day Australia during the Middle Jurassic period.
    It's also definitely not something a mom can buy off the rack at Party City.
    "I Googled it, and there's nothing," Alloway says. "There's like two pictures of an Ozraptor. But she said it