Graduated from Vilnius 23rd Secondary School in 1969 and the Faculty of Medicine at Vilnius University in 1975. In 1977 he graduated as a psychiatrist at the Faculty of Medicine. In 1978 he studied psychotherapy at the Institute for the Advancement of Doctors in Leningrad (Russia). In 1986 he defended his thesis 'Clinical psychological characteristics of cardiac surgery patients in the pre- and post-operative period' at the Bechterev Research Institute of Psychiatry and Neurology in Leningrad, Candidate of Sciences.
Mother-in-law Zofija Naujalytė-Didenkienė, a musician, became interested in psychotherapy and left the clippings of Polish newspaper articles about psychology (as well as about various psychotherapists who came to Poland at that time to give lectures) to Laurinaičius. Next, Professor Algirdas Dembinskas, a long-time head of the Psychiatric Clinic at the University of Warsaw, became interested in psychotherapy during his practical work.
At the Rasztów Institute of Group Analysis in Warsaw, Poland, he completed the qualification course in group analysis, conducted by the teachers of the Institute of Group Analysis in Heidelberg, Germany (in 1994).), and in 2000 - a course of individual psychoanalytic psychotherapy in Vilnius within the framework of an international project (conducted by the University of Applied Sciences, the European Federation of Psychoanalysis and the Dutch Institute of Psychoanalysis).
