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 do you entertain a 4 year old? January 25, 2020 Why do we do due diligence? January 22, 2020 Can you fast too long before blood glucose test? July 8, 2018 What do dark circles under the eyes indicate? January 28, 2020 How do I scrape data from a website? January 23, 2020 Can you switch a pitcher in the middle of an at bat? January 27, 2020