Reading maps or reading emotions? Barbie or Lego? We live in a gendered world where we are bombarded with messages about sex and gender. On a daily basis we face deeply ingrained beliefs that your sex determines your skills and preferences, from toys and colours to career choice and salaries. The neuroscientist interrogates what this constant gendering means for our thoughts, decisions and behaviour. And what does it mean for our brains? Chaired by Bronwen Maddox.