News Humans Toddlers triumphant Advances in object recognition around age 2 may herald symbolic thought By Bruce Bower July 24, 2008 at 6:14 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to print (Opens in new window) Print Normal 0 false false false MicrosoftInternetExplorer4 WASHINGTON, D.C. — Something extraordinary happens between 18 and 24 months of age.