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Semantic cognition is one of the key factors in psychosocial functioning. The aim of this study was to explore the differences in pattern of semantic memory organization between euthymic patients with bipolar I and II disorders using the category fluency task. Study participants included 23 euthymic subjects with bipolar I disorder, 23 matched euthymic(More)
Patients with chronic obstructive pulmonary disease (COPD), which is predicted to be the third most common cause of death worldwide by 2020, often suffer from depression, one of the most common and modifiable comorbidities of COPD. This study assessed the prevalence of depression in patients with COPD and the association of depression with disease severity.(More)
This naturalistic study explored long-term effectiveness of adjunctive lamotrigine therapy for bipolar II depression. We analyzed prospective data from 109 lamotrigine-treated outpatients with bipolar II depression inadequately responsive to mood stabilizers. Lamotrigine was added to prior treatment in a naturalistic fashion. Changes in depression severity(More)
OBJECTIVES Effective, long-term therapy for bipolar disorders is a critical goal of mental health care, but achieving this goal is complicated by numerous factors in real clinical settings. The aim of this study was to investigate dropout patterns and their associated factors in patients with bipolar disorders. METHODS The study participants were 275(More)
AIMS Mild cognitive impairment (MCI) usually represents a transitional phase between normal cognitive function and dementia, but not all people with MCI develop dementia because MCI is a clinically and etiologically heterogeneous grouping. The aim of this study was to compare progression rates to Alzheimer's disease (AD) among various MCI subtypes which(More)
OBJECTIVE The aim of this study is to compare gray matter (GM) volume and white matter (WM) integrity in Apolipoprotein E4 (ApoE ε4) carriers with that of ApoE ε4 noncarriers using the voxel-based morphometry and diffusion tensor imaging (DTI) to investigate the effect of the ApoE ε4 on brain structures in subjective memory impairment (SMI) without white(More)
OBJECTIVE Disruption of the circadian rhythm is known as a provoking factor for manic episodes. Individual differences exist in the recovery rate from disruption in the general population. To develop a screening method to detect individuals vulnerable to bipolar disorder, the authors observed the relationship between the recovery of the normal sleep-wake(More)
BACKGROUND Suicide attempters treated in emergency rooms were studied in order to understand the motives behind this behavior. Disparities between the etiological contributions to suicidal ideation, intention, and action were examined in order to characterize motives in these categories. METHODS Suicide attempters who visited the emergency departments of(More)
AIMS The aim of the present study was to investigate whether the effects of vitamin B12 and homocysteine on brain volume are influenced by apolipoprotein E (APOE) genotype. We examined the effects in each subgroup (APOE ε4 carriers and non-carriers) of Alzheimer's disease (AD) patients and healthy normal controls. METHODS Forty participants with AD and 20(More)
This study aimed to investigate the overall prescription pattern for patients with bipolar disorders in Korea and its relevance to the practice guidelines. Prescription records from all patients with bipolar I and II disorders who have been admitted or who started the outpatient treatment during the year of 2009 in 10 academic setting hospitals were(More)