Symmetry Breaking in Embryology and in Neurobiology

As Sattinger (1980) has emphasized, there is an intimate connection between the symmetries of a dynamical system, and the nature of the solutions manifest at a point of bifurcation. Many aspects of symmetry breaking in biology can be interpreted in such terms. In this paper I shall confine myself to differing aspects of symmetry-breaking in embryology and in neurobiology.

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