1. Introduction
treatment-resistant depression, depressive disorder, MDD, cognitive disorders, cognitive defects
Major depressive disorder (MDD) is a significant cause of workforce loss, and is associated with cognitive disorders and mood and behavioural symptoms [The cognitive defects seen in MDD are associated with difficulties in activities of daily living, a negative effect on functionality, a decrease in work performance, and reduced productivity in the workplace [Although there is no common definition of treatment-resistant depression, the most accepted definition is the condition in which “there is no response to at least two different and appropriate antidepressant treatments applied at a sufficient dose and duration” [The aim of the current study was to investigate whether or not TMS had a regulatory effect on cognitive disorders in treatment-resistant depression.