Refer to Figure 12

question 41

Multiple Choice

Refer to figure 12.19 In the text , which of the following statements is true regarding the results of these imaging experiments?

• A) color sensitivity is localized to the V1 and V2 regions of the cortex
• B) color sensitive globs only fire when colors are at a specific luminosity
• C) color sensitivity is localized to the V3 and V4 regions of the cortex
• D) color sensitivity is scattered throughout the extrastriate cortex and independent of hue
• E) none of the above

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Definitions:

Electromagnetic Energy

Refers to a form of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space.

Ultraviolet Light

A type of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays.

Absolute Threshold

The minimum intensity of a stimulus that one can detect 50% of the time.

Brightness

Lightness or luminance; the dimension of visual experience related to the amount (intensity) of light emitted from or reflected by an object.