Term
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Definition
| difficulty recognizing objects and people |
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Term
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Definition
| the back surface of the eye |
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Term
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Definition
| Translate an external stimulus into an action potential to enable the detection of that signal. There are two types of photoreceptors: rods and cones. |
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Term
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Definition
| rods are sensative to low levels of stimulation. Rods are distributed throughout the retina. |
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Term
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Definition
| Cones are sensative to more intense levels of stimulation and use photopigments. Most active during the daytime. Cones are essential for color vision. Cones are densely packed near the center of the retina (the fovea). |
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Term
| What is the pathway of visual information from eye to the cortex? |
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Definition
| Output from the photoreceptors is first processed in the bipolar cells, and from there to th ganglion cells (the eye's output source). FINISH |
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Term
| Describe how information in one hemifield is processed separately and converges. |
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Definition
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Term
| Ho is the visual cortex organized? |
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Definition
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Term
| Name two regions and describe their roles in processing visual information. |
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Definition
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Term
| What cortical areas are selectively involved in the perception of movement and color? |
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Definition
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