Mobile game Sea Hero Quest 'helps dementia research'

Dementia researchers have developed a video game that could lead to the development of early diagnostic tests for the disease.

The way players navigate the 3D levels in Sea Hero Quest will be anonymously tracked and sent to the researchers.

Understanding how people navigate 3D environments is important because the skill is often one of the first lost by people who have dementia.

Researchers say the game could generate an unprecedented amount of data.

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