In 1967, at the age of 19, she left the country, along with her family, to study for her first degree, in sociology and Latin American history, at Brooklyn College in New York.
[5] She also earned a master's degree in educational program design at Columbia University, then went on to study for a semester in the administration of cultural projects at the Getulio Vargas Foundation in Rio de Janeiro, Brazil.
[4] While living in the United States, Vicioso managed to maintain contact with the arts in the Dominican Republic, reporting for a periodical published by Casa de Teatro and interviewing writers in New York.
Her first book, Viaje desde el Agua (Journey from the water), started in the United States, was published in the Dominican Republic in 1981.
As an essayist, Vicioso has published Algo que decir (Ensayos críticos sobre literatura escrita por mujeres) (1991).