ABSTRACT
Beck depression inventory (BDI-1A) is the gold standard screening tool for Parkinson's disease (PD) depression, but as a result of its complexity, it is of limited suitability as a quick and easy screening device. We, therefore, validate the 5-item WHO-Five Well-being Index (WHO-5) as a screening tool for PD depression. Two hundred thirteen of 215 recruited PD patients (99.1%) completed the WHO-5. Receiver operating characteristic plots were used to calculate sensitivity/specificity for all cut-off scores for the detection of depression and combined depression/dysthymia as assessed by an independent investigator using the Mini International Neuropsychiatric Interview (MINI). Internal consistency of the WHO-5 was good (Cronbach's alpha = 0.83). WHO-5 showed high validity with adequate detection of depression without differences in the validity indices compared to BDI-1A (P = 0.234). The optimal cut-off value for detection of depression was 12 of 13 points. WHO-5 is a useful, brief, and easy instrument for identifying PD subjects with depression in daily practice.
Subject(s)
Depression/diagnosis , Depression/psychology , Parkinson Disease/psychology , Psychiatric Status Rating Scales , Psychometrics , Adult , Aged , Aged, 80 and over , Depression/etiology , Female , Humans , Male , Mass Screening/methods , Middle Aged , Parkinson Disease/complications , Psychiatric Status Rating Scales/standards , Reproducibility of Results , World Health OrganizationABSTRACT
The aim of this study was to assess the effect of dopaminergic treatment on emotional memory in patients with Parkinson's disease (PD). We tested memory for emotional and neutral visual stimuli in ten non-demented PD patients on and off dopaminergic medication. Patients recalled significantly more emotional items during the off- than on-medication testing session. In contrast, treatment condition did not affect memory for neutral items. These findings demonstrate that emotional memory deficits observed in PD may result from dopaminergic treatment and suggest an involvement of dopaminergic neurotransmission in emotional processing.