Abstract
Depressive disorder has become a major health problem and is ranked among the leading causes of disability worldwide. Depression-related cognitive impairment contributes to loss of economic productivity and psychosocial functioning and calls for more efficient treatment strategies. Although the pathogenesis of cognitive impairments in patients with major depressive disorder (MDD) is still insufficiently understood, increasing evidence implicates hypothalamus–pituitary–adrenal (HPA) axis as an important neurobiological determinant of cognitive impairment in depression. In this article, major findings of both HPA axis function abnormalities and cognitive impairments in depressed patients are summarized, focusing on their inter-relationship. Novel approaches in pharmacotherapy and psychotherapy have emerged which will be discussed with regard to their ability to reinstate normal HPA axis function in MDD and to treat cognitive impairments in MDD.
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