摘要: Retrieval processes provide ways of using memory. We describe three important ways of using memory, with a focus on using memory to make decisions about visual objects. 1 Discrimination is deciding if an object is distinct from another object experienced at the same time or moments ago, recognition is deciding if an object is the same as an object experienced some time in the past, and classification is deciding what kind of object something is. All three require comparing the representation of a currently perceived object with representations retrieved from memory to drive a decision process. We discuss the component mechanisms for discrimination, recognition, and classification as formally instantiated in computational models and discuss relationships between model mechanisms and brain mechanisms as revealed by neuropsychology and brain imaging.
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