categories in the brain

We are lucky to be living in a time where there is wonderful research
available

We are often confronted with category theory, and we know its usefulness as
well as
the cause of much bias and limitations to cognition and reasoning

Novel insights allow us to study where the categories come from:
the way our brain organises knowledge
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3709834/

pdm