On the one end of the spectrum lies hyperphantasia ... who can effortlessly visualize objects or memories in their mind’s eye to the extent that it becomes a quasi-visual experience, aphants ...

Along with Aphantasia is the opposite end of the spectrum, Hyperphantasia, where the mind's eye is so vivid, it's hard to distinguish between what's real and what's imagination. 'DeSanta Claus ...

after borrowing Aristotle's word for the mind's eye - "phantasia". Prof Zeman says 17,000 people have contacted him in the past decade, with experiences of aphantasia and hyperphantasia.

He had documented a case of a man who lost his mind's eye in his 60s following a heart ... If you think you have aphantasia or hyperphantasia and would like to be involved in Prof Zeman's research ...

Interestingly, aphantasia and hyperphantasia often run in families ... like mood disorders or depersonalisation, where the mind’s eye shuts down due to psychological factors.