Respond to the following questions in 75 to 150 words each.
1. Differentiate between sensation and perception. Explain the importance of separating these concepts.
2. Identify the biological factors that influence sensation and perception.
3. As we age or incur visual impairment, we may need brighter light when reading. Explain why this is the case.
4. You are shown a picture of an elephant. Explain how that stimulus is processed from the retina to the visual cortex of the brain.