Is the plant edible or poisonous? Is the person friend or foe? Was the sound made by a
predator or by the wind? All organisms assign objects and events in the environment to …

A well-known virtue of similarity-scaling techniques such as multi dimensional scaling,
Thurstonian modeling, and clustering is that they reveal hidden structure underlying …

A neuropsychological theory is proposed that assumes category learning is a competition
between separate verbal and implicit (ie, procedural-learning-based) categorization …

Over recent years, the psychology of concepts has been rejuvenated by new work on
prototypes, inventive ideas on causal cognition, the development of neo-empiricist theories …

Generalization (or transfer) is the ability to repurpose knowledge in novel settings. It is often
asserted that generalization is an important ingredient of human intelligence, but its extent …

Categorization models make assumptions about:(1) the representation of the stimulus and
the contrasting categories;(2) the exact information that must be collected before a response …

The performance of a decision bound model of categorization (Ashby, J992a; Ashby &
Maddox, in press) is compared with the performance of two exemplar models. The first is the …

Experiments were conducted in which Ss made classification, recognition, and similarity
judgments for 34 schematic faces. A multidimensional scaling (MDS) solution for the faces …

Associative memories are stored in distributed networks extending across multiple brain
regions. However, it is unclear to what extent sensory cortical areas are part of these …

The first neurobiologically detailed theory of multiple systems in category learning, called
COVIS, was originally conceived in 1998. COVIS, which is now well established, postulates …