In "The Heart's Code," Paul Pearsall, a neuropsychologist, …

In "The Heart's Code," Paul Pearsall, a neuropsychologist, shares various stories of heart transplant recipients who reported experiencing changes that seemed to echo their donors' traits. The book suggests that the heart has its own type of intelligence and memory, and that these qualities can be transferred from donor to recipient. Some of the stories include recipients developing new preferences in food, music, or hobbies, as well as unexplained behavioral or emotional changes. Pearsall posits that this could be due to cellular memory, although the idea remains highly speculative and not scientifically validated. The book explores the spiritual and existential implications of these experiences, making it popular among those interested in the more mystical aspects of heart transplants.