fMRI decoders: unlike the baby, wishful thinking is alive and well

We thank Lee et al. [1] for their interest in our work. Their main comment asserts that the ongoing efforts to improve the specificity (or discriminant validity) of fMRI decoding models undermine our statement that ‘decoding models cannot disentangle neural mechanisms from their epiphenomena’ [2]. Unfortunately, the specificity of fMRI decoding models – regardless of how impressive – has no bearing on their inherent inability to distinguish true neural mechanisms from their epiphenomena. Thus, Lee et al.’s assertion falls prey to the exact fallacies that we [2] and others [3] have already painstakingly detailed.

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