Long-term memory (LTM) is memory in which associations among items are stored, as part of the theory of a dual-store memory model. The division of long term and short term memory has been supported by several double dissociation experiments. According to the theory, long-term memory differs structurally and functionally from working memory or short-term memory, which ostensibly stores items for only around 20–30 seconds and can be recalled easily. This differs from the theory of the single-store retrieved context model that has no differentiation between short-term and long-term memory. Long term memory is an important aspect of cognition. LTM can be divided into three processes: encoding, storage, and retrieval. Long term memory is said to be encoded in the medial temporal lobe. Without it one cannot store new long term memories.
Read more about Long-term Memory: Dual-store Memory Model, Encoding of Information, Sleep, Types of Memory, Disorders of Memory, Biological Underpinnings At The Cellular Level, Contradictory Evidence, Single-store Memory Model
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