'My mind's eye is blind' - ex-Pixar chief

The former president of Pixar and Walt Disney Animation Studios says he has a "blind mind's eye". Most people can close their eyes and conjure up images inside their head such as counting sheep or imagining the face of a loved one. But Ed Catmull, 74, has the condition aphantasia, in which people cannot visualise mental images at all. And in a surprising survey of his former employees, so do some of the world's best animators.
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