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Published online by Cambridge University Press: 04 February 2010
The generally positive response to our target article indicates that most of the commentators accept our contention that light adaptation consists of multiple and possibly redundant mechanisms. The commentaries fall into three general categories. The first deals with putative mechanisms that we chose not to emphasize. The second is a more extended discussion of the role of calcium in adaptation. Finally, additional aspects of cGMP involvement in adaptation are considered. We discuss each of these points in turn.
Arshavsky's present address is Howe Laboratories, Harvard Medical School and the Massachusetts Eye and Ear Infirmary, 243 Charles St., Boston, MA 02114.