Facebook post by University of Helsinki

It is harder for adults suffering from dyslexia to process speech than for others, because natural speech varies constantly. The same phenomenon may cause language learning difficulties in infants.
Variability in natural speech is challenging for the dyslexic brain | University of Helsinki helsinki.fi

A new study brings neural-level evidence that the continuous variation in natural speech makes the discrimination of phonemes challenging for adults suffering from developmental reading-deficit dyslexia.