Living forwards, understanding backwards

Living forwards, understanding backwards.

Understanding Dorsoventral Topography Backwards and Forwards

Retinal axons project to their central targets along two orthogonal topographic axes, anterior-posterior (A-P) and dorsal-ventral (D-V). While ephrin-A/EphA signaling determines A-P topography, little has been known about the molecular mechanisms guiding axons along the D-V axis. Two papers by Mann et al. and Hindges et al. in this issue of Neuron provide evidence for both forward and reverse e...

"Forwards and Backwards" Encryption

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Subspace domain forwards-backwards averaging

In this paper a procedure which filters out roughly half of the array manifold errors for approximately centro-symmetric arrays is described. The procedure-subspace domain forwards-backwards (f/b) averaging-improves the performance of subspace based direction finding (DF) algorithms such as MUSIC and ESPRIT. Experimental data from the Mountaintop system are used to confirm the theoretical results.

Living forward, understanding backwards, Part II.

In Part I of this article, which appeared in last month's AJOI', AOI'A President Robert K. Bing examined the founding principles of occupational therapy developed and published in 1925, and offered comments from some pioneering occupational therapists that helped determine how the principles were enacted in practice. This month in Part II Bing continues with more comments from the profession's ...