It may soon be possible to diagnose people with aphasia, the inability to present images in their head using a simple test


May 5, 2022

Close-up of the human eye – the behavior of the pupil can reveal whether someone has a fantasy

Ivan the Boulder / Getty Images

As much as 3.9% of people have aphasia, the inability to depict images in your head. But formally diagnosing the condition is difficult. A simple physiological test involving a webcam can one day offer a solution.

Rebecca Kyo at Macquarie University in Australia and colleagues studied the effectiveness of their test on 56 people without aphasia and 18 people who said they had the disease.

The test is based on…

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