Systems-Level Reconsolidation
نویسندگان
چکیده
منابع مشابه
Systems-Level Reconsolidation Reengagement of the Hippocampus with Memory Reactivation
Certain types of memories are dependent on the hippocampus for a short period of time following training, after which they are no longer susceptible to hippocampal manipulations. Having completed this initial consolidation process, a memory may once again engage the hippocampus (undergo reconsolidation) when recalled. Two studies in the current issue of Neuron make important advances in our und...
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Memory reconsolidation, the re-stabilization of consolidated memories after reactivation-induced destabilization, has received considerable attention in recent years. Nevertheless, the neural processes underlying the phenomenon remain elusive. With the aim of contributing to the development of a theory in this area, we here present a computational model of reconsolidation at the “systems” level...
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Cellular theories of memory consolidation posit that new memories require new protein synthesis in order to be stored. Systems consolidation theories posit that the hippocampus has a time-limited role in memory storage, after which the memory is independent of the hippocampus. Here, we show that intra-hippocampal infusions of the protein synthesis inhibitor anisomycin caused amnesia for a conso...
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In the mammalian brain newly acquired memories are dependent on the hippocampus for maintenance and recall, but over time these functions are taken over by the neocortex through a process called memory consolidation. Thus, whereas recent memories are likely to be disrupted in the event of hippocampal damage, older memories are less vulnerable. However, if a consolidated memory is reactivated by...
متن کاملMemory reconsolidation
The formation, storage and use of memories is critical for normal adaptive functioning, including the execution of goal-directed behavior, thinking, problem solving and decision-making, and is at the center of a variety of cognitive, addictive, mood, anxiety, and developmental disorders. Memory also significantly contributes to the shaping of human personality and character, and to social inter...
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ژورنال
عنوان ژورنال: Neuron
سال: 2002
ISSN: 0896-6273
DOI: 10.1016/s0896-6273(02)01017-6