Identity is determined by selection of the template with the greatest amount of overlap. B. Schematic of a Template System C. Template systems in action D. Problems with template models 1. intolerance to deviations 2. Feature Theories A. Basic Assumptions 1. The stored representation is a description of past inputs in terms of list of attributes or features. Inputs are broken down into a small list of constituent features.
Identity is determined by selecting the feature list most similar to the input.
B. Schematic of a Feature System B. Supporting Evidence 1. Recorded electrical activity in the visual cortex of the cat. Analyze letters in terms of a small set of features. Compare the clustering of letters in the reaction time task to the similarities in features. C. Criticisms of Feature Theories 1.