Encoding (memory): Difference between revisions

Revision as of 07:47, 5 January 2025

Revision as of 13:46, 11 February 2025

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==History==

[[File:Ebbinghaus2.jpg|thumb|alt=Hermann Ebbinghaus|Hermann Ebbinghaus (1850–1909)]]

Encoding is still relatively new and unexplored but the origins of encoding date back to age -old philosophers such as [[Aristotle]] and [[Plato]]. A major figure in the history of encoding is [[Hermann Ebbinghaus]] (1850–1909). Ebbinghaus was a pioneer in the field of memory research. Using himself as a subject he studied how we learn and forget information by repeating a list of [[nonsense syllable]]s to the rhythm of a metronome until they were committed to his memory.<ref name="ebbingbook">Ebbinghaus, H. (1885). Memory: A Contribution to Experimental Psychology.</ref> These experiments led him to suggest the [[learning curve]].<ref name="ebbingbook" /> He used these relatively meaningless words so that prior associations between meaningful words would not influence learning. He found that lists that allowed associations to be made and semantic meaning to be apparent were easier to recall. Ebbinghaus' results paved the way for experimental psychology in memory and other mental processes.

During the 1900s, further progress in memory research was made. [[Ivan Pavlov]] began research pertaining toabout [[classical conditioning]]. His research demonstrated the ability to create a semantic relationship between two unrelated items.

In 1932, Frederic Bartlett proposed the idea of mental [[Schema (psychology)|schema]]s. This model proposed that whether new information would be encoded was dependent on its consistency with prior knowledge (mental schemas).<ref name="bartlett32">Bartlett, F. C. (1932). Remembering: A study in experimental and social psychology. Cambridge, England: Cambridge University Press.</ref> This model also suggested that information not present at the time of encoding would be added to memory if it was based on schematic knowledge of the world.<ref name="bartlett32" /> In this way, encoding was found to be influenced by prior knowledge.

With the advance of [[Gestalt psychology|Gestalt theory]] came the realization that memory for encoded information was often perceived as different from the stimuli that triggered it. It was also influenced by the context thatin which the stimuli were embedded in.

With advances in technology, the field of neuropsychology emerged and with it a biological basis for theories of encoding. In 1949, Donald [[Donald O. Hebb|Hebb]] looked at the neuroscience aspect of encoding and stated that "neurons that fire together wire together," implying that encoding occurred as connections between neurons were established through repeated use.

The 1950s and 60's60s saw a shift to the information processing approach to memory based on the invention of computers, followed by the initial suggestion that encoding was the process by which information is entered into memory. In 1956, [[George Armitage Miller]] wrote his paper on how short-term memory is limited to seven items, plus-or-minus two, called [[The Magical Number Seven, Plus or Minus Two]]. This number was appended when studies done on [[Chunking (psychology)|chunking]] revealed that seven, plus or minus two could also refer to seven "packets of information".

In 1974, [[Alan Baddeley]] and [[Graham Hitch]] proposed their [[Baddeley's model of working memory|model of working memory]], which consists of the central executive, visuo-spatial sketchpad, and phonological loop as a method of encoding. In 2000, Baddeley added the episodic buffer.<ref name="text" /> Simultaneously [[Endel Tulving]] (1983) proposed the idea of encoding specificity whereby context was again noted as an influence on encoding.