«It's very exciting,» says Romke Rouw, a cognitive psychologist who
studies synesthesia at the University of Amsterdam but who wasn't involved in the study.
Psychologists and neuroscientists
study synesthesia not only for its inherent interest, but also for the insights it may give into cognitive and perceptual processes that occur in everyone, synesthete and non-synesthete alike.
Not exact matches
If the findings pan out,
studying neuronal connections in
synesthesia could be a boon to autism researchers.
A
study in the Journal of Neuroscience in February bolsters this idea using rare individuals with «mirror - touch
synesthesia.»
Indeed, Sathian notes that one
study suggests that a popular brand of refrigerator magnets had an influence on what letter - color associations people with this form of
synesthesia developed.
A connection between letters or other symbols and colors, also known as «grapheme - color»
synesthesia, was the most common type in the Emory
study.
Brain imaging
studies have shown that people with
synesthesia tend to be wired differently: they display hyperconnectivity between parts of their brains related to their synesthetic experiences.
Participants in the
study were recruited through advertisements on the Emory campus and screened with an online test called the
Synesthesia Battery.
Sathian and collaborator Lynne Nygaard, professor of psychology, are exploring the neural bases of cross-modal correspondences and of
synesthesia using brain imaging
studies.
«Of the four highly hypnotizable participants in the
study, three showed a strong
synesthesia - like association between symbol and color, as shown by their verbal reports and confirmed by eye tracking.
A new
study has found a link between autism and
synesthesia, a condition when one sense triggers another (like seeing sounds in color).
Most
synesthesia is rare, affecting just 4 percent of the population, but this new
study suggests that «hearing motion
synesthesia» is much more prevalent.