List of Contributors. Preface. Section I. Neural Differentiation and Axon–Target Interactions. 1. Clonal architecture of the mouse retina (D. Goldowitz, D.S. Rice, R.W. Williams). 2. Early development of the cerebral cortex (C.B. Reid, C.A. Walsh). 3. Growth cone behaviors during axon guidance in the developing cerebral cortex (K. Kalil). 4. Specification of layer–specific connections in the developing cortex (J. Bolz et al.). 5. Cellular mechanisms regulating neurite initiation (K.L. Lankford, A.M. Kenney, J.D. Kocsis). 6. Prenatal development of axon outgrowth and connectivity (V.A. Casagrande, A.E. Wiencken). 7. Retinal axon divergence in the optic chiasm: growth cone behaviors and signalling cells (C.A. Mason, R.C. Marcus, L.–C. Wang). 8. Cell adhesion/recognition molecule–mediated steps during the guidance of commissural and motor axons (L. Landmesser). Section II. Role of Glia and Extracellular Matrix in Neurite Growth. 9. Extracellular matrix in early cortical development (A.L. Pearlman, A.M. Sheppard). 10. Unilateral containment of retinal axons by tectal glia: a possible role for sulfated proteoglycans (S. Jhaveri, D. Hoffman–Kim). 11. Proteoglycans and other repulsive molecules in glial boundaries during development and regeneration of the nervous system (A. Höke, J. Silver). 12. Axon decussation and midline glia in the developing ferret auditory hindbrain (J.K. Brunso–Bechtold, C.K. Henkel). 13. Myelin–associated neurite growth inhibitors: regulators of plastic changes of neural connections in the central nervous system (J.P. Kapfhammer). Section III. The Role of Neural Activity in Development. 14. NMDA–receptor–dependent synaptic plasticity in the visual cortex (M.F. Bear). 15. The role of excitatory amino acid transmission in development and plasticity of SI barrel cortex (K. Fox). 16. The role of NMDA receptors and nitric oxide in retinogeniculate development (K.S. Cramer, M. Sur). 17. Developmental mechanisms for regulating signal amplification at excitatory synapses in the neocortex (M.J. Friedlander et al.). 18. Glutamate receptors and development of the visual cortex: effect of metabotropic agonists on cAMP (H.J. Flavin et al.). 19. Nitric oxide and the developmental remodeling of retinal connections in the brain (H.H. Wu, D.K. Waid, S.C. McLoon). 20. Cellular mechanisms underlying the formation of orderly connections in developing sensory pathways (R.S. Erzurumlu, W. Guido). 21. Control of retinotectal axon arbor growth by postsynaptic CaMKII (D.–J. Zou, H.T. Cline). 22. Pre- and postnatal expression of amino acid neurotransmitters, calcium binding proteins, and nitric oxide synthase in the developing superior colliculus (R.R. Mize, F.T. Banfro, C.A. Scheiner). 23. Growth cone dynamics and activity–dependent processes in neuronal network development (J. van Pelt, A. van Ooyen, M.A. Corner). Section IV. Neural Plasticity in Infants and Adults. 24. The subependymal zone: "brain marrow" (D.A. Steindler et al.). 25. Cellular and molecular correlates to plasticity during recovery from injury in the developing mammalian brain (C.F. Ide et al.). 26. Extensive cortical reorganization following sciatic nerve injury in adult rats versus restricted reorganization after neonatal injury: implications for spatial and temporal limits on somatosensory plasticity (C.G. Cusick). 27. Neural plasticity after brain damage (P.D. Spear). Subject index.