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First, the concept of optimality of a learning curve is not well defined. You can measure at least 3 different aspects of learning: Speed of learning Time before extinction Performance at peak Of course, there may be other measures as well, and any combination of such measure may also be a legitimate measure for certain uses. Conditioned Taste Aversion ...

First of all, asymmetries in apparently symmetric creatures (of which most are) are actually quite typical. However, in most cases of hand dominance, there is no population-wide hand dominance. In other words, the population is split 50/50 between left and right handers. In humans, however, a lack of hand dominance is often associated with cognitive ...

You wrote: For the purposes of this question I would assume that it's fairly common knowledge in psychology that people touch nose or cover the mouth when saying something part of them does not believe to be true. Avoid make assumptions like this. This is not common knowledge, and in fact it is not even true. Vrij et al. (2010) discuss the literature ...

I remembered that Disgust is one of the 6 major emotions and there is quite a lot written about it: The neural basis of disgust The scientific attempts to map specific emotions onto underlying neural substrates dates back to the first half of the 20th century. However, it was not until the mid-1990s when it was recognized that six basic ...