Part 1 Cellular and molecular neuromorphology: construction of mammalian brain size-fractionated cDNA expression library and expression cloning of neuropeptide receptor by ligand binding, G.-x. Xie et al. Part 2 Developmental neurobiology: retrograde and anterograde axonal tracing with fluorescent dextran-amines in the embryonic nervous system, J.C. Glover; induction of arhinencephaly using fetal laser surgery exo utero in mice, I. Naruse et al. Part 3 Neuromorphology: staining myelin and myelin-like degradation products - glycol methacrylate resin-embedding combined with Sudan black B staining, P.O. Gerrits and G. Holstege; silver staining of traumatized neurons - application of a gallyas procedure in experimental cerebral hypoxia/ischemia research, G.J. Ter Horst et al; mapping of the human brain in normal and pathological situations - the single cell and fiber level, employing lucifer yellow microinjection, carbocyanine dye tracing, immunofluorescence, and 3D confocal laser scanning microscopy reconstruction, P.V. Belichenko and A. Dahlstrom. Part 4 Neuropharmacology and neurochemistry: intracerebral dialysis in freely moving rats for the study of changes in monoamine metabolism in the nucleus accumbens correlated with locomotor activity, R. Sugita et al.