[6] In addition to folklore, music and Nordic studies, in 1988 she earned a PhD for her thesis on Henrik Wergeland's poetical work: Creation, Man and the Messiah.
[1] Her literary research centred on Wergeland's poem Creation, Man and the Messiah, culminating in her thesis Kjærlighet og logos which was published as a book in 1991.
She conducted research on the authors Hans E. Kinck and Tarjei Vesaas and undertook an analysis of Henrik Ibsen's Peer Gynt.
[3] She developed her interest in folklore in collaboration with her maternal aunt Ingeborg Refling Hagen and participated in her Stutting Movement.
[1][7] Encouraged by her father Eivind Groven and by the folk musicians Talleiv Røysland and Aslak Brekke, Myrhen has developed a special interest in the vocal traditions of Telemark.