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The paper presents the continuation of the authors' research in the field of visualization of cognitive models based on fuzzy cognitive maps. Application of visualization metaphors of fuzzy cognitive maps for verification of cause-and-effect relationships in cognitive models is considered. It is shown that increasing the effectiveness of cognitive model verification is possible by activating analyst's cognitive potential. The most natural way of such activation is to increase cognitive clarity of the model through the use of visualization capabilities. For this purpose, a number of metaphors for visualizing fuzzy cognitive maps have been proposed, aimed at increasing their cognitive clarity during verification. Each of the metaphors is focused on the visualization of a certain type of fragments of a fuzzy cognitive map potentially containing errors, redundancy or incompleteness and therefore of interest from the point of view of verification. Examples are given of applying the proposed visualization metaphors.

Verification of Cause-and-Effect Relationships in Cognitive Models Using Visualization Metaphors of Fuzzy Cognitive Maps