If you’ve ever played peekaboo with your little one, you’ve helped them work on object permanence. Your baby is learning that people and objects exist even when they can’t see or hear them. Object ...

My first week with my new kitten Evelyn has reminded me of French psychoanalyst and psychiatrist Jacques Lacan’s discussion of the childhood game Hide-and-Seek or in Freud’s parlance “fort/da” — an ...