With its jokes about abstract thought, this Pixar/Disney journey inside an 11-year-old’s mind is as funny as it is inventiveThe precursor to the movie Inside Out, as any 1980s reader of the Beano will know, was a comic strip called the Numskulls, in which a group of tiny operatives ran around inside a boy’s brain, pulling the levers that governed his five senses, with hilarious results.