1. 1 Contexts The principal issue with which this monograph deals is the role of the hippocam- pus in establishing and using representations of contexts for information processing. However, before this issue can be addressed directly, it is necessary to ask "what is meant by the word 'context' ?". The first answer which comes to mind is likely to be something along the following lines: "A context is a framework (or background) of information with respect to whieh more specific 'items' ofinformation can be identified and manipulated". This answer may be correct, but it begs a fundamental...