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interactionism

[in-ter-ak-shuh-niz-uh m]
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noun Philosophy.
  1. a theory that the mind and the body may each affect the other.
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Origin of interactionism

First recorded in 1900–05; interaction + -ism
Related formsin·ter·ac·tion·ist, noun, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for interactionism

interactionism

noun
  1. philosophy the dualistic doctrine that holds that mind and body have a causal effect upon one another, as when pricking one's finger (physical) causes pain (mental), or an embarrassing memory (mental) causes one to blush (physical)Compare parallelism (def. 3)
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012