sentences:  According to Walsh and Vaughan, who proposed several definitions of the transpersonal field in the early 1990s, Transpersonal anthropology is "the cross-cultural study of transpersonal phenomena and the relationship between consciousness and culture".Charles Laughlin, a founder of the field of Transpersonal anthropology, has defined the discipline as "the cross-cultural study of transpersonal experiences, including the sociocultural evocation, interpretation, and utility of transpersonal experiences, and their involvement in defining social roles".As with transpersonal psychology, the field is much concerned with altered states of consciousness (ASC) and transpersonal experience.