Contemporary theoretical accounts of metacognition propose that action-related information is used in the computation perceptual decision confidence. We investigated whether amount expended physical effort, or ‘motoric sunk cost’ a decision, influences confidence judgements humans. In particular, we examined people feel more confident decisions which required effort to report. Forty-two partici...

In the past few decades there has been a hiatus in the momentum of research and discovery of ‘novel’ medicinal compounds. This particular trend in drug development perhaps is augmented due to two vital factors, namely : first, strict empirical and rational approach to drug design ; and secondly, high standards of safety and therapeutic efficacy together with tremendous increased costs of resear...