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Aphantasia: A life without mental images

Close your eyes and imagine a sandy beach, gazing over the horizon as the sun rises. How clear an image springs to mind?

Most people can readily conjure images inside their head - known as their mind's eye. But this year scientists have described a condition - named aphantaisa, which leaves their brain unable to visualise.

James Gallagher has been finding out more.

  • 14 Apr 2016
  • From the section Health