The coming Audi E-tron GT, for example, has control units that remix the sound effects based on the car’s speed or the position of the accelerator pedal. Also fitted to the Audi is an AVAS — an acoustic vehicle alerting system, required to alert pedestrians that an electric car is close by.

But aphantasia not only impacts people’s learning experiences; it also extends into their personal lives. Not being able to visualize means never picturing the faces of family or close friends and remembering images as abstract information.

Wherever he was, whatever he was doing, he found himself suddenly accosted by some kind of synaesthetic fixation with the woman: hearing the colour of her hair in the mosque, smelling the touch of her hand on the tube, tasting her smile while innocently walking the streets.

As soon as I could, I set to work making the entries.