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 | | On a more broad scale, the development of human mental functions is viewed by Vygotsky as their transition from their original lower mental functions form into higher mental functions form, with differences between the two being drawn along four major criteria: origins, structure, the way of functioning and the relation to other mental functions. |
 | | By origins, most lower mental functions are genetically inherited, by structure they are unmediated, by functioning they are involuntary, and with regard to their relation to other mental functions they are isolated individual mental units. |
 | | In contrast, a higher mental function is socially acquired, mediated by social meanings, voluntarily controlled and exists as a link in a broad system of functions rather than as an individual unit. |
| psych.hanover.edu /vygotsky/subbot.html (1359 words) |
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