Perceptual Mechanisms (Psychological, Biological, and Artificial): An Introduction.- The Past, Present and Future of Feature Detectors.- The Role of Terminators in Preattentive Perception of Line Textures.- Visual Information Processing: The Structure and Creation of Visual Representations.- Trigger Features or Fourier Analysis in Early Vision: A New Point of View.- Feature Detectors, Visumotor Coordination and Efferent Control.- Feature Detectors and Speech Perception: A Critical Evaluation.- The Physics of Visual Perception.- Early Visual Processing: Feature Detection or Spatial Filtering?.- On a Filter Approach to Understanding the Perception of Visual Form.- Neuroreductionistic Dogma — A Heretical Counterview.