Can the four R's of memory (Remember, Recall, Recognize, Refresh) be unravelled by adhering to the three R's of experimentation?
Per Andersen
Department of Physiology, University of Oslo, Norway
Learning and memory are two pervasive functions, influencing nearly all other nervous activitites, and thereby, giving tremendous advantages for adaptation. Because of its complexity, major aspects of memory must be studied in intact, or near-intact preparations. Fortunately, there is a considerable generality of learning rules obtained in a variety of organisms.
In this survey, I will attempt to describe how general learning and memory rules can be studied at many levels, both molecular, cellular and that of whole organisms, including man. One popular learning model, long-term potentiation, a type of long-lasting enhancement of synaptic transmission in cortical regions of importance for memory can, however, be studied in strongly reduced preparations, raising our hopes that much of future memory research may be achieved by studies of simple systems.
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