Basic level categories
Basic level categories: psychological factors How can we support our claim that the centrality of the generic level meets our basic cognitive needs? ... Let us therefore what is known about the psychological background of the generic level (or basic level, as it is called in psychology) and examine the relevant experimental findings. If we summarize early interpretations by Roger Brown and Paul Kay, the primacy and centrality of the basic level can be traced back to mainly three factors. First, the generic or basic level is where we perceive the most obvious differences between the organism and objects of the world.