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It seems to be increasingly common to use the price of a take-away cup of coffee as a way of saying something is affordable - the most recent example I came across is that COVID tests, which were free in England until today, are now “less than the price of... [Read More]
Why a model fails
The difference between knowing that it fails, and why it fails.
In a peer review I got a while back, someone wrote “Sometimes understanding why a simple model fails is far more informative than showing that a complex model succeeds”. (You know who you are, if you’d prefer to be named, drop me an email). I wrote a paragraph in response... [Read More]
Theory of irrational behaviour supported by brain imaging
Kruschke's EXIT model and the inverse base-rate effect
I’m happy to announce that Human Brain Mapping published our paper on the neural correlates of the inverse base-rate effect on Friday; it’s available as open access here. The lead author was Angus Inkster. [Read More]
The CAL model
A new formal theory of category learning
I’m pleased to announce that our paper on the CAL model has been accepted for publication, at Psychological Review (lead author: René Schlegelmilch). You can read the preprint here. [Read More]
AI vs. human
Basic object classification still hard for AI
In recent years, there have been quite a few claims that state-of-the-art AI has reached human levels of performance in object recognition. In a recent talk, I briefly discuss some of the evidence against that view, including some preliminary unpublished work from my lab. You can now view that talk... [Read More]