Part 1 Evolutionary diversity of neuroactive molecules: regulatory oligopeptides of invertebrates - structure, functions, location, A.A.Zamyatnin; neuroactive spider venoms, B.A.Tashmukhamedov and P.B.Usmanov. Part 2 Intraepithelial control systems - examples of conserved primitivity: fine structural organization in the nervous system and ciliary receptors of acoelan turbellarians, O.I.Raikova; the system of nerve and endocrine-like elements in the gut epithelium of polychaete worms, M.Yu Punin and V.K. Kazakov; regulatory system in the digestive tract epithelium of bivalve molluscs, M.Yu Punin et al. Part 3 Cellular monoamines in free living and parasitic worms: catecholamine cells in turbellarian flatworms, B.I.Joffe and E.A.Kotikova; distribution of monoaminergic neurones in helminths, B.A.Shishov; serotonin neurones in the planarian pharynx, E.A.Kabotyanski et al; biogenic amines in helminths, N.Terenina. Part 4 Gastropod models - ions and receptors: intracellular electrolyte concentrations and ion selectivity in neurones of the gastropod mollusc Planorbarius corneus, as revealed by x-ray microanalysis, N.B.Pivovarova and I.A.Skulskii; ionic conductance induced by the activation of nicotinic and muscarinic cholinergic receptors in Helix neurones, G.N.Saganelidze and A.S.Pivovarov; modulatory action of oxytocin on electrical responses of the neurones in the snail Helix pomatia, O.N.Osipenko. Part 5 Gastropod models - cellular plasticity: long-term enhancement of synaptic efficiency in Helix brain, O.V.Borisova and V.G.Skrebitsky; effects of guanylate cyclase activators on short-term plasticity of cholinergic receptors of Helix identified neurones, A.S,Pivovarov. Part 6 Gastropod models - specific neurones: structural organization of the tentacular sensory system in land pulmonates, O.V.Zaitseva; structural and functional analysis of monosynaptic connections between identifiable neurones of Helix lucorum, G.G.Arakelov et al; roles of exogenous factors in bursting activity of snail neurone, N.I.Kononenko. Part 7 Gastropod models - cellular basis of behaviour: locomotion of Clione limacina in relation to various types of behaviour, Yu I.Arshavsky et al; serotonergic modulation of avoidance behaviour in Helix, I.S.Zakharov and P.M.Balaban; role of peptides in modulating the avoidance response during feeding in Helix lucorum, A.V.Shevelkin; neuronal control and coordination of heartbeat in Helix pomatia, V.L.Zhuravlev et al. Part 8 Gastropod models - basic principles of nervous control: command neurones, command functions and decision-making, P.N.Balaban; multiple sites of intracellular spike generation in snail neurones, T.A.Palikhova.
