Two studies investigated the relationship between mental imagery and hypnotizability, with the imagery measures administered in a hypnotic context. The correlation of hypnotizability with vividness of imagery was significant in one study, but not in the other; both correlations were significantly lower than that obtained between hypnotizability and absorption, assessed in the same samples. The correlations with control of visual imagery, and with various measures of the vividness of motor imagery, were even lower and rarely significant. Except for an aggregate index of motor imagery, a search for significant nonlinear relationships with hypnotizability yielded nothing that was consistent across studies. Future studies of imagery and hypnotizability should make use of better measures of vividness of mental imagery and consider the relevance of aspects of imagery other than vividness.
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