She studied at the Manuel Belgrano and Prilidiano Pueyrredón National Schools of Fine Arts. Dermisache’s productions can be located in what has been called asemic writing, that is, a type of semantic writing lacking words. Between 1966 and 1967 she made her first book of graphics. In her workshop, she produced unique books, populated with graphics structured according to the conventions of text pages, which were stacked awaiting possible publication. From the beginning, the artist considered that these books should be published to reach a wide audience, although the opportunity to do so did not come until the following decade. During the 70s, so that the reception of her work could be understood as true writing by her readers, Mirtha decides to make a whole series of textual devices that take different typological marks: books, texts, letters, postcards, fragments of stories, comics, etc. In some of her pieces she uses shapes similar to those of our Roman/Latin alphabet, she simulates words; In others, the “words” are more enigmatic, but the textual intention is maintained: sentences, chapters are distinguished in the case of books, or even a narrative that develops, and whose writing increases the density of the plot. way that a novel approaches its outcome. Her work was presented at the CAYC, directed by Jorge Glusberg. Ulises Carrión exhibited her works at the gallery Other Books and So (Amsterdam) and the Belgian editor and curator Guy Schraenen published them through the Archive for Small Press and Communication label.