Introduction to Psychology 10th Edition by Rod Plotnik,Haig Kouyoumdjian

Exercise 1

The retina has several layers of cells, but only the very back layer contains photoreceptors. The photoreceptors that are used to see in dim light and transmit only black, white, and shades of gray are called (a) _____ Photoreceptors that are used to see in bright light and transmit colors are called (b) _____