Daniel Casasanto explores how handedness influences the mental representation of abstract concepts like good and bad. His research supports the body-specificity hypothesis, suggesting that people with different bodily experiences form different mental representations. Right-handers tend to associate rightward space with positive ideas and leftward space with negative ideas, while left-handers show the opposite pattern. These differences are not due to language or culture but rather to the side of space where individuals can act more fluently with their dominant hand. The findings indicate that abstract concepts are grounded in perceptuomotor experiences, supporting embodied cognition theories. Experiments show that handedness affects spatial valence associations, with right-handers preferring rightward space for positive concepts and left-handers preferring leftward space. This body-specific mapping is consistent across various tasks, including diagramming, judging alien attributes, and making decisions about job applicants and products. The results suggest that spatial valence associations are influenced by bodily experience, not just language or culture. The body-specificity hypothesis is supported by the consistent patterns observed in right- and left-handed participants, indicating that physical interactions shape abstract mental representations.Daniel Casasanto explores how handedness influences the mental representation of abstract concepts like good and bad. His research supports the body-specificity hypothesis, suggesting that people with different bodily experiences form different mental representations. Right-handers tend to associate rightward space with positive ideas and leftward space with negative ideas, while left-handers show the opposite pattern. These differences are not due to language or culture but rather to the side of space where individuals can act more fluently with their dominant hand. The findings indicate that abstract concepts are grounded in perceptuomotor experiences, supporting embodied cognition theories. Experiments show that handedness affects spatial valence associations, with right-handers preferring rightward space for positive concepts and left-handers preferring leftward space. This body-specific mapping is consistent across various tasks, including diagramming, judging alien attributes, and making decisions about job applicants and products. The results suggest that spatial valence associations are influenced by bodily experience, not just language or culture. The body-specificity hypothesis is supported by the consistent patterns observed in right- and left-handed participants, indicating that physical interactions shape abstract mental representations.