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 โ{128}{148} A Heretical Counterview