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Scientific Correspondence
Nature 393, 635-636 (18 June 1998) | doi:10.1038/31371
Mechanisms for memory types differ
Iván Izquierdo1, Daniela M. Barros1, Tadeu Mello e Souza1, Marcia M. de Souza1, Luciana A. Izquierdo1 & Jorge H. Medina2
Abstract
The formation of long-term memory takes several hours1, 2, 3, during which time memories rely on short-term systems1,2,4,5. For over 100 years1, the main unanswered question of memory research has been whether short-term memory is a necessary step towards long-term memory4,5, or whether they are separate processes1,2. Here we report four treatments that block short-term memory while leaving long-term memory intact, showing that these memory systems are separate to some degree.
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