StrØmnes, F. J. A semiotic theory of imagery processes with experiments on an Indo‐European and a Ural‐Altaic language: Do speakers of different languages experience different cognitive worlds?Scand. J. Psychol., 1973, 14, 291–304.‐A theory of information transmission by symbol systems is presented. The theory is related to results on imagery and verbal behaviour found in the literature, and a new experiment is briefly reported. It is argued that information transmission can exclusively take place by the transmission of geometric isomorphs. Some of the conditions which must be fulfilled by a sign system which can transmit geometric isomorphs are pointed out. A supporting experiment, which purports to show that the underlying geometric systems of Ural‐Altaic (represented by Finnish) and Indo‐European (represented by Swedish) are strikingly different, is reported.
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