Peter Attia· MD
so you can think of memories as having three more or temporal stages an immediate memory mode where you can remember sayings for only a few seconds tell me your phone number and I have to write it down that's all right that's just a perfect example a clinician will do this by giving a string of numbers to people and people will be able to remember approximately seven numbers so it is usually seven plus or minus two items and this is the reason why the telephone numbers have seven digits