If your therapist is very interested in dreams blocked memoriesand slips of the tongue which approach to therapy using?

Psychodynamic therapy.

Psychodynamic therapy is a type of psychotherapy that focuses on the unconscious mind and its influence on behavior and emotions. It is based on the belief that early childhood experiences, as well as unconscious thoughts and feelings, can shape a person's current functioning. Psychodynamic therapists use techniques such as dream analysis, free association, and transference to help their patients explore their unconscious minds and gain insight into their behavior and emotions.