- a theory that the mind and the body may each affect the other.
Origin of interactionism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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)