Sensation & Perception
Top Down, involves the use of prior knowledge, expectations, cognitive processes (Past experiences and knowledge help to fill in the in missing information and recognize the object)
Bottom-Up, Prospecting basic visual features, (colors, shapes, lines)
Vision
signal processing, for further processing
Retina & Photoceptors
Visual Perception (perceive objects, colors, shapes, depth, motion)
Higher-Level Processing, Function (object recognition, related to awareness, visual memory
Light enters the eye (goes through cornea, pupil, lens)
Rods (Vision in dim or low-light conditions
Cones (color vision, visual acuity)
Ex: Mosquitos, See & hear (Bottom-up), Killing it
Ex: walking towards refrigerator in dark