Metaphor and Mental Duality.
Simon, T. and Scholes, R (eds.)
Language, Mind and Brain
Given certain premises, there are both empirical and logical reasons for expecting a certain division of labor in the processing of information by the human brain: a functional bifurcation into what may be called, to a first approximation, "verbal" and "nonverbal" modes of information- processing. This dichotomy is not quite satisfactory, however, for metaphor, which in its most common guise is a literary, and hence a fortiori a "verbal" phenomenon, may in fact be more a function of the "nonverbal" than the "verbal" mode.
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