It was an innovative technique at the time, and is quite interesting in terms of literature as well as the study of psychic phenomena, because the technique required a poet to overcome trials and tribulations in the process of having empathy with the subject, and in doing so improve their capacity for poetic expression and psychic communication.
当時としては画期的な手法であり、自然風物などの対象に移入する過程における荊棘を克服し、自らの詩的表現能力や心霊的意思疎通能力を高める意味もあり、文学的にも心霊学的にも興味深いものだと考えられる。