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  • Title: Do memory complaints represent impaired memory performance in patients with major depressive disorder?
    Author: Mowla A, Ashkani H, Ghanizadeh A, Dehbozorgi GR, Sabayan B, Chohedri AH.
    Journal: Depress Anxiety; 2008; 25(10):E92-6. PubMed ID: 17592609.
    Abstract:
    Memory complaints are found to be associated with depression. However, the question is, "How much these subjective complaints indicate objective memory impairments?" The aim of this study is to determine whether subjective memory complaints represent objective memory impairments and to establish the demographic and clinical characteristics of patients with major depressive disorder (MDD) and subjective memory complaints. Sixty-four patients with MDD were assessed for objective memory performance through subtests of the Wechsler Memory Scale-III. Memory complaints also were assessed in these patients with a structured interview. Thirty healthy controls were also included in the study to compare memory performance among groups. The Hamilton Rating Scale for Depression was used to measure the severity and characteristics of depression. Patients with MDD who had longer duration and earlier onset of depression reported more memory complaints. MDD patients with memory complaints had more hypochondriac concerns but not more depression severity compared with those without memory complaints. There was no relationship between subjective memory complaints and objective memory performance in MDD patients. Patients with MDD with and without memory complaints had lower scores on the Wechsler Memory Scale-III than the control group. Subjective memory complaints are not a valid indictor of objective memory impairments, and the diagnostic value of self-reported memory is being questioned in patients with MDD. The cognitive status of MDD patients should be assessed routinely, regardless of the patient awareness of his or her cognitive deficits.
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