Script NIH-PA Author Manuscript NIH-PA Author ManuscriptTRANSCRIPTIONAL CONTROL OF SYNAPTIC CONNECTIVITYThe emergence of molecular signaling systems that either promote or inhibit the assembly and/or stability of synaptic junctions raises the question of how the expression of such components is controlled during neuronal development. Afferent neurons undergo substantial transcriptional changes upo