"So, how then have we ended up with the phenomenon that some people who speak both English and another language can be dyslexic in one, but not the other? The answer, it seems, is hidden in the characteristics of a language and its writing system. “The English writing system is so irregular – print to sound or sound to print translation is not always one to one,” Brunel University London’s Professor of Cognitive Neuroscience, Prof Taeko Wydell, recently told the BBC radio documentary Dyslexia: Language and childhood." https://neurosciencenews.com/bilingual-dyslexia-17144/