Perspectives on asymmetry: The erickson lecture


  • M. Michael Cohen Jr.

    Corresponding author
    1. Department of Pediatrics, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
    • Department of Pediatrics, Faculty of Medicine, Dalhousie University, 5981 University Avenue, Halifax, NS, Canada B3H 1W2.
    Search for more papers by this author

  • How to cite this article: Cohen MM Jr. 2012. Perspectives on asymmetry: The Erickson Lecture. Am J Med Genet Part A 158A: 2981–2998.

  • This article is dedicated to My Fellow, Camila Melo, MD, a young geneticist with great potential for her future.


Topics discussed include asymmetry of the brain; prosopagnosia with asymmetric involvement; the blaspheming brain; effects of the numbers of X chromosomes on brain asymmetry; normal facial asymmetry; kissing asymmetry; left- and right-handedness; left-sided baby cradling; Nodal signaling and left/right asymmetry; primary cilium and left/right asymmetry in zebrafish; right/left asymmetry in snails; species differences in Shh and Fgf8; primary cilium in vertebrate asymmetry; Hedgehog signaling on the cilium; Wnt signaling on the cilium; situs solitus, situs inversus, and situs ambiguus (heterotaxy); ciliopathies; right-sided injuries in trilobites; unilateral ocular use in the octopus; fiddler crabs; scale-eating cichlids; narwhals; left-footed parrots; asymmetric whisker use in rats; and right-sided fatigue fractures in greyhounds. © 2012 Wiley Periodicals, Inc.