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  2. Decay theory - Wikipedia

    en.wikipedia.org/wiki/Decay_theory

    Decay theory. The Decay theory is a theory that proposes that memory fades due to the mere passage of time. Information is therefore less available for later retrieval as time passes and memory, as well as memory strength, wears away. [1] When an individual learns something new, a neurochemical "memory trace" is created.

  3. Alpha decay - Wikipedia

    en.wikipedia.org/wiki/Alpha_decay

    v. t. e. Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or "decays" into a different atomic nucleus, with a mass number that is reduced by four and an atomic number that is reduced by two. An alpha particle is identical to the nucleus of a helium ...

  4. Tip of the tongue - Wikipedia

    en.wikipedia.org/wiki/Tip_of_the_tongue

    Tip of the tongue. Tip of the tongue (also known as TOT, or lethologica) is the phenomenon of failing to retrieve a word or term from memory, combined with partial recall and the feeling that retrieval is imminent. [1] The phenomenon's name comes from the saying, "It's on the tip of my tongue." [2][3][4] The tip of the tongue phenomenon reveals ...

  5. George Gamow - Wikipedia

    en.wikipedia.org/wiki/George_Gamow

    Gamow solved a model potential for the nucleus and derived from first principles a relationship between the half-life of the alpha-decay event process and the energy of the emission, which had been previously discovered empirically and was known as the Geiger–Nuttall law. [11]

  6. Murray's system of needs - Wikipedia

    en.wikipedia.org/wiki/Murray's_system_of_needs

    In 1938, Henry Murray developed a system of needs as part of his theory of personality, which he named personology.He argued that everyone had a set of universal basic needs, with individual differences on these needs leading to the uniqueness of personality through varying dispositional tendencies for each need; in other words, a specific need is more important to some than to others.

  7. Unitary theories of memory - Wikipedia

    en.wikipedia.org/wiki/Unitary_theories_of_memory

    The OSCAR model in particular does not account for this phenomenon. It also makes an assumption that memories are always circulating to different areas of the brain—never having a definite cortical space that stores the memory. While this transfer of storage is occurring, the rate of decay in the OSCAR model is either constant or non-existent.

  8. Levels of Processing model - Wikipedia

    en.wikipedia.org/wiki/Levels_of_Processing_model

    There are three levels of processing in this model. Structural processing, or visual, is when we remember only the physical quality of the word (e.g. how the word is spelled and how letters look). Phonemic processing includes remembering the word by the way it sounds (e.g. the word tall rhymes with fall). Lastly, we have semantic processing in ...

  9. Forgetting curve - Wikipedia

    en.wikipedia.org/wiki/Forgetting_curve

    Forgetting curve. The forgetting curve hypothesizes the decline of memory retention in time. This curve shows how information is lost over time when there is no attempt to retain it. [1] A related concept is the strength of memory that refers to the durability that memory traces in the brain. The stronger the memory, the longer period of time ...