how come we only use half of our brain?

Question: how come we only use half of our brain?
- Keywords:
  brain
Asked by 15madthr to Huma, Jack, Lucy, Miranda, Peter on 16 Nov 2016.
- Lucy Oldacre-Bartley answered on 16 Nov 2016:
  
  I’m not sure this is entirely true – we have different areas of our brain for different tasks. For example, memory, precise movements, thinking – so at any one time different areas will be working.

Question: how come we only use half of our brain?