My dream PhD would have been to spend three years making babies yawn or giggle and then trying to get computers to do the same. This was how I was going to justify it.
Models of Expectancy in Infants [pdf] 63k
Unfortunately, this was a bit too narrow a topic to attract potential supervisors so instead I am hoping to join the legion of psychologists hiding toys from toddlers in attempt to tease out the entanglement of their ‘what’ and ‘where’ visual pathways.