How do you mentally stimulate a 4 month old baby? Post author:Bob Samanche Post published:February 4, 2020 H How do you mentally stimulate a 4 month old baby? The simple answer is by talking about them! Here are just a few of the ways you can do that. Share your tips in the comments. You Might Also Like How can you tell if your having a boy or girl at home? January 28, 2020 How do you clean your house like a pro? January 25, 2020 How wealthy is Argentina? December 3, 2019 Are you contagious after MMR vaccine? January 24, 2020 Can Snapchat be monitored by parents? January 23, 2020 What are the coldest months in Lima Peru? January 23, 2020