What is it like to be a crab?

Kristin Andrews in Aeon:

Twenty-five years ago, the burgeoning science of consciousness studies was rife with promise. With cutting-edge neuroimaging tools leading to new research programmes, the neuroscientist Christof Koch was so optimistic, he bet a case of wine that we’d uncover its secrets by now. The philosopher David Chalmers had serious doubts, because consciousness research is, to put it mildly, difficult. Even what Chalmers called the easy problem of consciousness is hard, and that’s what the bet was about – whether we would uncover the neural structures involved in conscious experience. So, he took the bet.

This summer, with much fanfare and media attention, Koch handed Chalmers a case of wine in front of an audience of 800 scholars. The science journal Nature kept score: philosopher 1, neuroscientist 0. What went wrong?

More here.