We are pleased to respond to the thoughtful and productive responses to our paper. It was our hope that the paper would offer occasion for full, in-depth discussion of questions centrally important in the interpretation of data from brain imaging experiments on aspects of the “mind-brain problem.” We were not disappointed! The commentaries did exactly that. In doing so, they raised new questions in our own minds, and we are sure in those of readers as well. We thank the authors for that.

We are appreciative of Dr. Levin's thoughtful, supportive, and constructive comments. Many of them