(contents continued) Expression and polarization of VGF in developing hippocampal neurons D.L. Benson and S.R.J. Salton (USA) Development of blood-brain barrier tight junctions in the rat cortex U. Kniesel, W. Risau and H. Wolburg (Germany) Postnatal development of adrenergic terminals in rat locus coeruleus, with special reference to growth of noradrenergic neurons N. Saito, M. Shimada, K. Kitahama and T. Maeda (Japan, France) Effects of in utero cocaine exposure on the expression of mRNAS encoding the dopamine transporter and the D1, D2 and DS dopamine receptor subtypes in fetal rhesus monkey W.S. Choi and O.K. Rgnnekleiv (USA) The hierarchical development of monkey visual cortical regions as revealed by the maturation of parvalb reactive neurons F. Condé, J.S. Lund and D.A. Lewis (France, UK, USA) Short communications Studies of dentate granule cell modulation: Paired-pulse responses in freely moving rats at three ages J.D. Bronzino, J.H. Blaise, R.J. Austin-LaFrance and P.J. Morgane (USA) Dimorphic expression of calbindin-D,,, in the medial basal hypothalamus from perinatal male and female rats E.D. Lephart (USA) Ontogeny of regulatory neuropeptides in the bullfrog taste organ T. Kusakabe, H. Matsuda, T. Kawakami, N. Syoui, K. Kurihara, T. Takenaka and H. Sawada (Japan) Genesis of the frog retinal pigment epithelium L.D. Beazley, M. Tennant, T.L. Tomlin, J.M. Preuss, L.-A. Coleman and S.A. Dunlop (Australia) Neonatal capsaicin treatment alters the metabolic activity of subcortical somatosensory structures of developing rats in response to whisker stimulation C.-C. Wu (USA) Author Index