Synesthetes report having unusually good memory for things such as phone numbers, security codes and polysyllabic anatomical terminology because digits, letters and syllables take on such a unique panoply of colors.
Not exact matches
In contrast,
synesthetes — who
reported hearing sounds such as beeps or taps in time with the visual signals — distinguished matching from nonmatching rhythms 75 percent of the time.
But
synesthetes also
report making computational errors because 6 and 8 have the same color and claim to prejudge couples they meet because the colors of their first names clash so hideously.