Color features continuously represent negative and positive aspects of sadness

Emotion is assumed to be stored in long-term memory as a concept by a feature (e.g., "tears" for "sadness") that is a memory unit of a concept. Memory activation of emotion concepts via features is supposed to enable recognition of emotional states. Emotion concepts are associated with various perceptual features oriented toward the interior and exterior of the body. Although previous studies have revealed that internal perceptual features need...