1. People weren't completely certain that synaesthesia existed until a scientific report was published in 1812.
entirely convinced
4. It's not very easy to imagine tasting words if you aren't a synaesthete.
somewhat difficult
8. Synaesthetes have to be full of extreme care if certain sounds affect their vision.
exceptionally careful
6. The taste of other words can be extremely unpleasant and can make Oliver feel ill.
utterly repulsive
7. If you compose songs or paint pictures, synaesthesia can be very good for you.
highly beneficial
5. When Oliver Walton says his own name, it's without much taste.
fairly tasteless
2. It is generally believed that synaesthesia can be good for your memory and intelligence.
universally accepted
3. Some reports say that synaesthesia is more common in children and adolescents.
widely spread