a. Taylor, Insep and Taylor, M. Martin (1990) "Psycholinguistics: Learning and using Language". page 362
b. Sandra F Witelson, Debra L Kigar, Thomas Harvey, The exceptional brain of Albert Einstein, The Lancet, Vol 353, 2149-2153, 1999
c. G. R. Fink, P. W. Halligan, J. C. Marshall, C. D. Frith, R. S. J. Frackowiak & R. J. Dolan, Where in the brain does visual attention select the forest and the trees? Nature 382, 626 - 628 (15 August 1996)
d. Dietrich A, Kanso R., A review of EEG, ERP, and neuroimaging studies of creativity and insight. Psychol Bull. 2010 Sep;136(5):822-48
e. Shobe ER, Ross NM, & Fleck JI (2009). Influence of handedness and bilateral eye movements on creativity. Brain and cognition, 71 (3), 204-14