‘Be ruled by time, the wisest counsellor of all.’ –Plutarch
This was terrible news for neuroscience—if six studies led to six different answers, why should anybody believe anything that neuroscientists had to say? […] And then, surprisingly, the field prospered. Brain imaging became more, not less, popular. The technique of PET was replaced with the more flexible technique of functional magnetic resonance imaging (fMRI), which allowed scientists to study people’s brains without the use of the risky radioactive tracers, and to conduct longer studies that collected more data and yielded more reliable results. […]
After two decades of almost complete dominance, a few bright souls started speaking up, asking: Are all these brain studies really telling us much as we think they are?
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