Emotional Mediation Hypothesis

A theoretical account, originating in work by Palmer and colleagues, that explains cross-modal associations between sensory attributes (such as colors and musical timbres) as being mediated by shared emotional meaning rather than by direct perceptual mapping. For example, people pair high-pitched bright timbres with warm saturated colors because both evoke similar affective states (joy, energy), not because the sensory features themselves are intrinsically linked. The hypothesis grounds affective cross-modal design: if the mediating emotion is preserved, cross-modal outputs feel coherent even when the underlying sensory cues differ.