Contents 



PREFACE V 



1. PRINCIPLES OF STIMULUS CODING i 



2. THE DEPOLARIZING NATURE OF THE TRIGGER i8 



3. THE CONTROL OF IMPULSE FREQUENCY ... 41 



4. ORIGINS OF THE RECEPTOR POTENTIAL ... 65 



5. SENSORY CELL FUNCTION AND ARCHITECTURE 78 



6. ABSORPTION OF STIMULUS ENERGY 88 



ACKNOWLEDGEMENTS 98 



REFERENCES 99 



INDEX 105 



vii 



