What is the name of the process for consolidating memories augustadating com

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Further, patterns of activity observed in rats during spatial learning are replayed in hippocampal neurons during subsequent sleep, further suggesting that learning may continue in sleep.

In humans, recent studies have demonstrated the benefits of sleep on declarative memory performance, thus giving a neurological basis to the old adage, "sleep on it." A night of sleep reportedly enhances memory for associations between word pairs.

As time passes, cellular and molecular changes allow for the strengthening of direct connections between neocortical regions, enabling the memory of an event to be accessed independently of the hippocampus.

Damage to the hippocampus by injury or neurodegenerative disorder (Alzheimer's disease, for instance) produces anterograde amnesia—the inability to form new declarative memories—because the hippocampus is no longer able to connect mnemonic information distributed in the neocortex before the data has been consolidated.

The processes and brain regions involved in consolidation may vary depending on the particular characteristics of the memory to be formed.

Let's consider the consolidation process that affects the category of declarative memory—that of general facts and specific events.

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Within the neocortex, representations of the elements that constitute an event in our life are distributed across multiple brain regions according to their content.

Inhibiting protein synthesis, however, does abolish the formation of new long-term representations of space in hippocampal neurons, thus impairing the consolidation of spatial memories.

Over time, the brain systems that support individual, declarative memories also change as a result of systems-level consolidation processes.

For example, visual information is processed by primary visual cortex in the occipital lobe at the rear of the brain, while auditory information is processed by primary auditory cortex located in the temporal lobes, which lie on the side of the brain.

When a memory is initially formed, the hippocampus rapidly associates this distributed information into a single memory, thus acting as an index to representations in the sensory processing regions.

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