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Questions and Answers
Which type of photoreceptor is responsible for our ability to perceive color?
Which type of photoreceptor is responsible for our ability to perceive color?
- Cones (correct)
- Horizontal cells
- Bipolar cells
- Rods
What is the name of the phenomenon that allows humans to perceive a wide range of colors through the interaction of three types of cones?
What is the name of the phenomenon that allows humans to perceive a wide range of colors through the interaction of three types of cones?
- Trichromatic vision (correct)
- Dichromatic vision
- Monochromatic vision
- Tetrachromatic vision
What is the main function of rods in the retina?
What is the main function of rods in the retina?
- Detecting specific wavelengths of light
- Transmitting signals to the brain
- Detecting changes in light intensity (correct)
- Processing information related to color
Which of the following cell types is involved in horizontal signal transmission within the retina?
Which of the following cell types is involved in horizontal signal transmission within the retina?
Which layer of the retina is responsible for receiving the light signal first?
Which layer of the retina is responsible for receiving the light signal first?
Flashcards
Rods
Rods
Photoreceptors that detect light intensity variations.
Cones
Cones
Photoreceptors that detect specific light wavelengths.
Trichromatic vision
Trichromatic vision
Vision based on three types of cones: red, green, blue.
Photoreceptor cells
Photoreceptor cells
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Layers of the retina
Layers of the retina
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Study Notes
The Human Eye and its Functioning
- The eye is a complex organ, a product of evolution.
- Photoreceptor cells in the retina are responsible for vision.
- Rods: Specialized photoreceptor cells sensitive to varying light levels.
- Cones: Specialized photoreceptor cells that detect specific wavelengths of light (colors) when sufficient light is present.
- Cones detect specific wavelengths: green, blue, and red.
- Trichromatic vision: The ability of the human eye to distinguish colors is based on the three types of cones.
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