Images and words are processed by, respectively, the rear and right, and left and front lobes of the human CPU. Those in this series are processed by the fan. A cool processing unit reboots all the lobes and makes your brain laugh.
We don’t laugh because we’re happy – we’re happy because we laugh.
We often attribute ‘understanding’ and other cognitive predicates by metaphor and analogy to cars … but nothing is proved by such attributions —John Searle