Game shows that ability to navigate declines at young age

Story highlights

  • A mobile game called "Sea Hero Quest" tracks spatial awareness among users
  • Doctors will use the data to help diagnose dementia

Vital Signs is a monthly program bringing viewers health stories from around the world.

(CNN)A mobile game has revealed the navigational skills of people around the world in a bid to develop an accurate test for dementia.

The smartphone game, called "Sea Hero Quest," asks players to set sail on a global adventure in search of precious artifacts -- in the form of memories -- whi