Which of the Following Is True of Retinal Color Opponent

question 9

Multiple Choice

Which of the following is true of retinal color opponent cells?

• A) opponent cells are important detectors of color contrast
• B) if blue-yellow opponent cells are excited by S-cones, they are inhibited by M-cones
• C) if blue-yellow opponent cells are excited by S-cones, they are inhibited by L-cones
• D) if red-green color opponent cells are excited by M-cone activation, they are inhibited by L-cone activation

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Definitions:

Herfindahl Indexes

Measures of market concentration and competition, calculated as the sum of the squares of the market shares of all firms in an industry.

Herfindahl Index

A measure of market concentration that calculates the sum of the squares of the market shares of all firms in the industry.

Market Shares

The portion of a market controlled by a particular company, expressed as a percentage of total sales within that market.

Herfindahl Index

A metric reflecting the relative sizes of companies within a market sector, shedding light on the intensity of competition.