Cognitive ScienceMay 6, 2006Abninder Litt, Chris Eliasmith, Frederick W Kroon et al.
We argue that computation via quantum mechanical processes is irrelevant to explaining how brains produce thought, contrary to the ongoing speculations of many theorists. First, quantum effects do not have the temporal properties required for neural information processing. Second, there are substantial physical obstacles to any organic instantiation of quantum computation. Third, there is no...