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Memory consolidation is a category of processes that stabilize a memory trace after its initial acquisition. [1] A memory trace is a change in the nervous system caused by memorizing something. Consolidation is distinguished into two specific processes.
Explicit memory (or declarative memory) is one of the two main types of long-term human memory, the other of which is implicit memory. Explicit memory is the conscious , intentional recollection of factual information, previous experiences, and concepts. [ 1 ]
It has also been found that many domains of declarative memory are affected by sleep such as emotional memory, semantic memory, and direct encoding. [31] Holtz [30] found that not only does sleep affect consolidation of declarative memories, but also procedural memories. In this experiment, fifty adolescent participants were taught either word ...
Explicit Memory: Explicit memory, or declarative memory, is a type of long-term memory requiring conscious thought. It’s what most people have in mind when they think of a memory.
REM is associated with the consolidation of nondeclarative (implicit) memories. An example of a nondeclarative memory would be a task that we can do without consciously thinking about it, such as riding a bike. Slow-wave, or non-REM (NREM) sleep, is associated with the consolidation of declarative (explicit) memories.
Declarative learning is acquiring information that one can speak about (contrast with motor learning). The capital of a state is a declarative piece of information, while knowing how to ride a bike is not. Episodic memory and semantic memory are a further division of declarative information.
Under declarative memory resides semantic and episodic memory. Semantic memory refers to memory that is encoded with specific meaning. [2] Meanwhile, episodic memory refers to information that is encoded along a spatial and temporal plane. [11] [12] [13] Declarative memory is usually the primary process thought of when referencing memory. [2]
During the acquisition process, stimuli are committed to short term memory. [1] Then, consolidation is where the hippocampus along with other cortical structures stabilize an object within long term memory, which strengthens over time, and is a process for which a number of theories have arisen to explain the underlying mechanism. [1]