In parapsychology, it is considered a form of ideoplasm: a materialization shaped by imagination (Bossa, 1993). The term "scotography" (from Greek, skotos = dark; graphein = writing, in contrast to photography, which means imprinting by light) was also proposed by Felicia Scatcherd at the First International Congress of Psychic Research in Copenhagen. This term refers not to impressions on film ..