Sensation and Perception. Chapter 4. The Basics. Sensation – Involves the stimulation of sensory receptors and the transmission of sensory information to the central nervous system i.e. spinal cord and brain Things that tip off sensory receptors: Light, sound, smells, etc. The Basics.
vision: a candle flame 30 miles away on a clear night.
hearing: a watch ticking 20 feet away
taste: 1 teaspoon of sugar dissoved in 2 gallons of water
smell: a single drop of perfume in a three-room house
touch: a bee's wing falling a distance of 1 centimeter onto the cheek.