>>11518213As far as I can tell, he had overbearing synesthesia that affected multiple senses, which enhanced his memory and allowed him to visualize in great detail, but also seemed to mess with his sanity.
>In his 1921 interview for the *American Magazine*, Tesla explained: “During my boyhood I had suffered from a peculiar affliction due to the appearance of images, which were often accompanied by strong flashes of light. When a word was spoken, the image of the object would present itself so vividly to my vision, that I could not tell whether what I saw was real or not… Even though I reached out and passed my hand through it, the image would remain fixed in space.”>In his 1921 interview for the *American Magazine*, Tesla explained: “During my boyhood I had suffered from a peculiar affliction due to the appearance of images, which were often accompanied by strong flashes of light. When a word was spoken, the image of the object would present itself so vividly to my vision, that I could not tell whether what I saw was real or not… Even though I reached out and passed my hand through it, the image would remain fixed in space.”So auditory to visual projector synesthesia.
Possibly visuo-spatial synesthesia and number form synesthesia as well based on his description of visualizing and running machines in his head and performing mental calculations. Synesthesia is also more common in autism, which he displayed symptoms of.
