S. Bleich

Inside a synesthete's head: A functional connectivity analysis with grapheme-color synesthetes

C. Sinke, H. M. Emrich, W. Dillo, 2012, Neuropsychologia.

Disinhibited feedback as a cause of synesthesia: Evidence from a functional connectivity study on auditory-visual synesthetes

C. Sinke, H. M. Emrich, W. Dillo, 2012, Neuropsychologia.

Blue light improves cognitive performance

J. Kornhuber, J. Wiltfang, H. Frieling, 2007, Journal of Neural Transmission.

The neural correlates of coloured music: A functional MRI investigation of auditory–visual synaesthesia

C. Sinke, H. M. Emrich, D. Dima, 2012, Neuropsychologia.