Journal of Neuroscience Methods, 39 (1991) 295-296 Elsevier Science Publishers B.V. Contents of Volume 39 Number 1 - August 1991 Research papers Comparison of vascular perfusion in ischemia-sensitive and ischemia-resistant regions of gerbil brain by an automated laser cytometric device a preliminary study K. Kumar, J. Goodrich and F. Marcoux (U.S.A.) Sequential double labelling with different fluorescent dyes coupled to dextran amines as a tool to estimate the accuracy of tracer application and of regeneration B. Fritzsch and R. Sonntag (F.R.G.) Adrenal medullary “ribbon” grafts in non-human primates: transplant method M. Dubach (U.S.A.) Recording of voltage and Ca? *-dependent currents in Xenopus oocytes using an intracellular perfusion method N. Dascal, G. Chilcott and H.A. Lester (Israel, U.S.A.) Tyrosine hydroxylase-immunoreactive neurons in paraventricular and supraoptic nuclei of the human brain demonstrated by a method adapted to prolonged formalin fixation M.T. Panayotacopoulou, R. Guntern, C. Bouras, M.R. Issidorides and J. Constantinidis (Greece, Switzerland) A simple computer-controlled analogue ramp generator for producing multiple ramp-and-hold stimuli T. Matheson and F. Ditz (New Zealand) A method for the determination of projection areas of GABA immunoreactive neurons in the invertebrate nervous system 1. Cournil, P. Meyrand and M. Moulins (France) Kainic acid lesions of the superior olivary complex: a horseradish peroxidase study of surviving brain-stem projections B.J. Rooney, G.L. Kavanagh and J.B. Kelly (Canada) The effects of number of trials per day, retention interval, gender and time of day on acquisition of a two-choice, win-stay water-escape working memory task in the rat L.W. Means and M.F. Dent (U.S.A.) Methods for studying the conductance changes associated with synaptic activation of forebrain slices: the interpretation of field potentials using CSD profiles A.M. Borroni, G. Vaknin, R. Berry and T.J. Teyler (U.S.A., Israel) Threshold depolarization measurements in resting human motoneurones K.S. Tiirker and T.S. Miles (Australia) Number 2 - September 1991 Research papers A procedure for using proton magnetic resonance imaging to determine stereotaxic coordinates of the monkey’s brain C.S. Rebert, R.E. Hurd, M.J. Matteucci, R. De LaPaz and D.R. Enzmann (U.S.A.) High sensitivity HPLC assay for GABA in brain dialysis studies A. Bourdelais and P.W. Kalivas (U.S.A.) Double-labeling of saphenous nerve neuron pools: a model for determining the accuracy of axon regeneration at the single neuron level C. Harsh, S.J. Archibald and R.D. Madison (U.S.A.) A cooling / heating system for use with in vitro preparations: study of temperature effects on newborn rat rhythmic activities Y. Sqalli-Houssaini, J.R. Cazalets, J.C. Fabre and F. Clarac (France) Quantitative fluorescence techniques for the determination of local microtubule polymerization equilibria in cultured neurons C.H. Keith (U.S.A.) A new motor test sensitive to aging and dopaminergic function R. Drucker-Colfn and F. Garcfa-Hernandez (Mexico) The anterograde and retrograde transport of neurobiotin in the central nervous system of the rat: comparison with biocytin S.R. Lapper and J.P. Bolam (U.K.) A simple and multi-purpose “concentration-clamp”’ method for rapid superfusion N. Ogata and H. Tatebayashi (Japan) 296 Human cortical asymmetries determined with 3D MR technology D. Falk, C. Hildebolt, J. Cheverud, L.A.P. Kohn, G. Figiel and M. Vannier (U.S.A.) An in vitro bioassay for neurite growth using cryostat sections of nervous tissue as a substratum R. Tuttle and W.D. Matthew (U.S.A.) Number 3 -— October 1991 Research papers A linearized DC lamp controller J.A. Galbraith (U.S.A.) Photoinactivation of neurones axonally filled with the fluorescent dye 5(6)-carboxyfluorescein in the pond snail, Lymnaea stagnalis G. Kemenes, K. Daykin and C.J.H. Elliott (U.K.) An in vitro brainstem preparation preserving peripheral auditory function A. Hailey, M.E. Rosenberg and A.H. Pullen (U.K.) A triple staining procedure to evaluate phagocytic role of differentiated astrocytes R.F. lacono, M.I. Berria and E.F. Lascano (Argentina) Mathematical resolution of mixed in vivo voltammetry signals. Models, equipment, assessment by simultaneous microdialysis sampling J.L. Gonzalez-Mora, T. Guadalupe, B. Fumero and M. Mas (Spain) Measurement of brain tissue specific gravity using pycnometry G.R. DiResta, J. Lee and E. Arbit (U.S.A.) A controlled cortical impact model of traumatic brain injury in the rat C.E. Dixon, G.L. Clifton, J.W. Lighthall, A.A. Yaghmai and R.L. Hayes (U.S.A.) HPLC-EC determination of free primary amino acid concentrations in cat cisternal cerebrospinal fluid V.R. Roettger and M.D. Goldfinger (U.S.A.) A useful programme in BASIC for axonal morphometry with introduction of new cytoskeletal parameters E. Fernandez, N. Cuenca and J. De Juan (Spain) Auther index (Vol. 39) Subject index (Vol. 39) Contents of Volume 39