CONTENTS *‘TACHYKININS AND CALCITONIN GENE-RELATED PEPTIDE (CGRP) AS CO-TRANSMITTERS RELEASED FROM PERIPHERAL ENDINGS OF SENSORY NERVES C. A. MAGGI, Department of Pharmacology, A. Menarini Pharmaceuticals, Via Sette Santi 3, 50131 Florence, Italy CAN COMPUTERS THINK? DIFFERENCES AND SIMILARITIES BETWEEN COMPUTERS AND BRAINS R. J. HARVEY, Department of Anatomy and Structural Biology, and Neuroscience Research Centre, University of Otago Medical School, P.O. Box 913, Dunedin, New Zealand NEURAL MECHANISMS INVOLVED IN THE CORTICOSTEROID FEEDBACK EFFECTS ON THE HYPOTHALAMO-PITUITARY- ADRENOCORTICAL AXIS 129 S. FELDMAN and J. WEIDENFELD, Department of Neurology, Hadassah University Hospital and Hebrew University-Hadassah Medical School, Jerusalem, Israel DEVELOPMENT OF IDENTIFIED NEURONAL TYPES AND OF SPECIFIC SYNAPTIC CONNECTIONS IN SLICE CULTURES OF RAT HIPPOCAMPUS 143 M. FROTSCHER, S. ZAFIROV and B. HEIMRICH, Institute of Anatomy, University of Freiburg, P.O. Box 111, D-79001 Freiburg, Germany TEETH AND TOOTH NERVES 165 C. HILDEBRAND, K. FRIED,* F. TUISKU and C. S. JOHANSSON, Department of Cell Biology, University of Linképing, Linképing, Sweden, and *Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden HIPPOCAMPAL MARKERS OF AGE-RELATED MEMORY DYSFUNCTION: BEHAVIORAL, ELECTROPHYSIOLOGICAL AND MORPHOLOGICAL PERSPECTIVES 223 Y. GEINISMAN,* L. DETOLEDO-MORRELL,? F. MORRELL and R. E. HELLER,* *Department of Cell and Molecular Biology, Northwestern University Medical School, 303 East Chicago Avenue, Chicago, IL 60611, U.S.A., and Department of Neurological Sciences, Rush Medical College, Chicago, IL, U.S.A. SPATIALLY SELECTIVE FIRING PROPERTIES OF HIPPOCAMPAL FORMATION NEURONS IN RODENTS AND PRIMATES 253 S. M. O’MARA, Department of Physiology, University of Dublin, Trinity College, Dublin 2, Ireland iv CONTENTS SEXUAL DIMORPHISM IN THE MAMMALIAN LIMBIC SYSTEM 275 M. DULCE MADEIRA* and A. R. LIEBERMAN,? *Department of Anatomy, Porto Medical School, Al. Hernani Monteiro, 4200 Porto, Portugal, and Department of Anatomy and Developmental Biology, University College London, Gower Street, London WCIE 6BT, U.K. IN VITRO ELECTROPHYSIOLOGICAL STUDIES OF THE VESTIBULAR NUCLEUS COMPLEX 335 C. L. DARLINGTON,* # J. P.G ALLAGHER? and P. F. SMITH,* *Department of Psychology and the Neuroscience Research Centre, University of Otago, Dunedin, New Zealand, and +Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX, U.S.A. RESTORATION OF BRAIN ENERGY METABOLISM AS THE FUNCTION OF SLEEP 347 J. H.B ENINGTON* and H. C. HELLER,? *Neurobiology Research, VA Medical Center, Sepulveda, CA 91343, U.S.A., and *Department of Biological Sciences, Stanford University, Stanford, CA 94305, U.S.A. MODELLING THE GENERATION OF LONG-TERM NEURONAL ACTIVITY UNDERLYING BEHAVIOUR 361 J. KIEN and J. S. ALTMAN,®* Fachbereich fiir Biologie, Universitat Regensburg, 93040 Regensburg, Germany ACTIVITIES OF NEURONS WITHIN THE RAT DORSOLATERAL SEPTAL NUCLEUS (DLSN) 373 J. P.G ALLAGHER, F. ZHENG, H. HASUO and P. SHINNICK- GALLAGHER, Department of Pharmacology and Toxicology, University of Texas Medical Branch, Galveston, TX 77555-1031, U.S.A. EFFECTS OF AGEING ON THE MOTOR UNIT 397 L. LARSSON and T. ANSVED, Departments of Clinical Neurophysiology and Neurology, Karolinska Hospital, S-171 76 Stockholm, Sweden SYNAPTIC TRANSMISSION AND FUNCTION OF PARASYMPATHETIC GANGLIA 459 T. AKASU and T. NISHIMURA, Department of Physiology, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830, Japan EXPRESSION, CONTROL, AND PROBABLE FUNCTIONAL SIGNIFICANCE OF THE NEURONAL THETA-RHYTHM 523 O. S. VINOGRADOVA, Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Puschino-on-Oka, Moscow Distr. 142292, Russia MOLECULAR RECOGNITION AND OLFACTORY PROCESSING IN THE MAMMALIAN OLFACTORY SYSTEM 585 K. MORI and Y. YOSHIHARA, Department of Neuroscience, Osaka Bioscience Institute, 6-2-4 Furuedai, Suita, Osaka 565, Japan CONTENTS DEVELOPMENT OF IDENTIFIED NEURONAL TYPES AND OF SPECIFIC SYNAPTIC CONNECTIONS IN SLICE CULTURES OF RAT HIPPOCAMPUS Vii M. FROTSCHER, S. ZAFIROV and B. HEIMRICH, Institute of Anatomy, University of Freiburg, P.O. Box 111, D-79001 Freiburg, Germany