##tip of toungue: Tip of the tongue (or TOT) is the phenomenon of failing to retrieve a word from memory, combined with partial recall and the feeling that retrieval is imminent.[1] The phenomenon's name comes from the saying, "It's on the tip of my tongue."[2][3][4] The tip of the tongue phenomenon reveals that lexical(사전적인) access occurs in stages.[5][6]Within the next five years, we'll probab..