Final answer:
Benjamin's lack of s-cones affects his color perception, highlighting the value of studying unique forms of color blindness to understand visual processing. Rod function can be isolated in low light conditions. Dogs, with red-green color blindness, cannot distinguish red birds in green grass.
Step-by-step explanation:
Benjamin, who lacks s-cones, perceives the world differently than people who have functioning s-cones. Studying individuals with unique forms of color blindness, such as those who are color blind only in one eye or who have a different type of color blindness in each eye, can be particularly useful for understanding the complexities of visual processing and color perception. These rare cases can provide insight into how the brain compensates or adapts to atypical sensory input, which can enrich our understanding of neuroplasticity and might be beneficial for developing treatments for vision disorders.
In terms of studying rods, proposing a method to isolate the function of the rods from the cones involves creating a scenario or using filtration techniques to limit light intensity, which would primarily activate rods, as they can sense much dimmer light than cones.
Dogs struggle to discern a red bird in a field of green grass due to their red-green color blindness; they lack the specific cone cells required to distinguish these colors, seeing the world primarily in shades of blue and yellow.