Long Term Memory

Long-term memory (LTM) is memory that involves the information you make an effort (conscious or unconscious) to retain for as little as a few days or as long as decades.

Studies predict that long term memory can indeed remember certain information for almost a lifetime. However factors can in fact reduce or extinguish information completely.

For example, as long-term memory is subject to fading in the natural forgetting process, several recalls/retrievals of memory may be needed for long-term memories to last for years, dependent also on the depth of processing. Individual retrievals can take place in increasing intervals in accordance with the principle of spaced repetition. This can happen quite naturally through reflection or deliberate recall (a.k.a. recapitulation or recollection), often dependent on the perceived importance of the material.

Sleep is considered an important factor in establishing well organized long term memories.  Some researchers feel that long term memories are stored in dream format and during waking life an executive function interprets long term memory consistent with reality checking.

The International Longevity Center released a 2001 report which includes recommendations for keeping the mind in good functionality until advanced age. At the top of the recommendations is to stay intellectually active through learning, training or reading.

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