[:en]Humans are able to learn abstract relations even before the first year of life.

http://www.eurekalert.org/pub_releases/2015-05/nu-bct052615.php[:BG]Humans are able to learn abstract relations even before the first year of life.

http://www.eurekalert.org/pub_releases/2015-05/nu-bct052615.php[:]