1. Alberts B, Bray D, Lewis J, Raff M, Roberts K, Watson JD (1983) Molecular biology of the cell. Garland Publishing Co, New York
2. Carew TJ, Castellucci VF, Kandel ER (1971) An analysis of dishabituation and sensitization of the gill-withdrawal reflex in Aplysia. Int J Neurosci 2:79?98
3. Changeux JP, Heidmann T (1986) Allosteric receptors and molecular models of learning. In: Edelman G, Gall WE, Cowman WSM (eds.) New insights into synaptic function. Wiley, New York (in press)
4. Delacour J (1981) Conditionnement et biologie. Masson, Paris
5. Eccles JC (1981) The modular operation of the cerebral neocortex considered as the material basis of neural events. Neurosciences 6:1839?1856