In the Digital Archives of the University of Jyväskylä, Kaarina Marjanen's 2009 dissertation presents an interesting qualitative study entitled "The belly-button chord : connections of pre- and postnatal music education with early mother-child interaction."

Through the use of HyperRESEARCH for the qualitative portions of this research, Kaarina show that "a very clear mother-child bond was created as a result of the shared prenatel musical experiences."

Information about the dissertation can be found in the online archives here and the full PDF can be downloaded by clicking here.