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Systems consolidation is the second form of memory consolidation. It is a reorganization process in which memories from the hippocampal region, where memories are first encoded , are moved to the neo-cortex in a more permanent form of storage.
Consolidation of STM into LTM at the molecular level presumably involves two processes: synaptic consolidation and system consolidation. The former involves a protein synthesis process in the medial temporal lobe (MTL), whereas the latter transforms the MTL-dependent memory into an MTL-independent memory over months to years (Ledoux 2007).
Initially, cellular consolidation, or LTP, begins in the hippocampus; there, protein synthesis inhibitors, tetrodotoxin, lidocaine, lesions and other factors can interfere with hippocampal activity and cause memory deficits. [11] The systems consolidation theory of memory is usually investigated by studying the loss of memory for past events ...
This slow process, referred to as consolidation, allows emotions to influence the way the memory is stored. [7] The amygdala is involved in memory consolidation, which is the process of transferring information that is currently in working memory into ones long-term memory. This process is also known as memory modulation. [7]
Phenomena in memory associated with repetition, word frequency, recency, forgetting, and contiguity, among others, can be easily explained in the realm of multiple trace theory. Memory is known to improve with repeated exposure to items. For example, hearing a word several times in a list will improve recognition and recall of that word later on.
These structures play a role in various memory systems. Furthermore, the drug cocaine elicits its desirable effects by blocking the DRD1 dopamine receptors in the striatum, resulting in increased dopamine levels in the brain. [77] These receptors are important for the consolidation of procedural memory.
Currently, Ribot's law is not universally accepted as a supporting example for memory consolidation and storage. As a component of the standard model memory of systems consolidation, it is challenged by the multiple trace theory which states that the hippocampus is always activated in the storage and retrieval of episodic memory regardless of ...
However, while it may not be possible for a system to continue running all programs in the case of excessive memory fragmentation, a well-designed system should be able to recover from the critical fragmentation condition by moving in some memory blocks used by the system itself in order to enable consolidation of free memory into fewer, larger ...