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There are 227 possible ways to meet the symptom criteria for major depressive disorder (MDD). However, symptom occurrence is not random, and some symptoms co-occur significantly beyond chance. This raises the questions of whether all of the theoretically possible different ways of meeting the MDD criteria actually occur in patients, and whether some(More)
OBJECTIVE Bipolar disorder and borderline personality disorder share some clinical features and have similar correlates. It is, therefore, not surprising that differential diagnosis is sometimes difficult. The Mood Disorder Questionnaire (MDQ) is the most widely used screening scale for bipolar disorder. Prior studies found a high false-positive rate on the(More)
Although much has been learned about social anxiety disorder (SAD) in recent decades, many questions and controversies surrounding its diagnosis and treatment have remained. Similar to the state of affairs with other psychiatric disorders, no clear pathophysiology has been identified for SAD, and the question of where to draw the line between shyness, SAD(More)
The DSM-5 Work Group for Personality and Personality Disorders (PDs) recommended retaining 6 specific PD "types" (antisocial, avoidant, borderline, narcissistic, obsessive-compulsive, and schizotypal) and eliminating the other 4 PDs currently included in DSM-IV (paranoid, schizoid, histrionic, and dependent). One important clinical aspect of PDs is their(More)
Many individuals with social anxiety disorder (SAD) seek treatment principally for another psychiatric disorder, but when directly asked, a majority of these individuals also desire treatment for SAD. Several reasons may exist for why individuals with SAD do not seek treatment for it, such as the severity or functional impairment related to SAD. The aim of(More)
There have been inconsistent findings regarding the relationship of mindfulness to substance use disorders, which may be attributable in part to measurement issues and the use of nonclinical samples. The current study examined the relationship between specific facets of mindfulness and substance use disorders (SUD) in a clinical sample. The sample consisted(More)
Social anxiety disorder (SAD), the 3rd most common psychiatric disorder in the United States, follows a chronic and unremitting course, often resulting in severe impairments in multiple areas of functioning. Despite a typical age of onset in early adolescence, the disorder is rarely recognized and treated in adolescent populations. Given its early age of(More)
OBJECTIVE To acknowledge the clinical significance of anxiety in depressed patients, DSM-5 included criteria for an anxious distress specifier for major depressive disorder. In the present report from the Rhode Island Methods to Improve Diagnostic Assessment and Services (MIDAS) project, we modified our previously published depression scale to include a(More)
OBJECTIVE In the draft proposal for DSM-5, the Work Group for Personality and Personality Disorders recommended that dimensional ratings of personality disorders replace DSM-IV's categorical approach toward classification. If a dimensional rating of personality disorder pathology is to be adopted, then the clinical significance of minimal levels of(More)
Bipolar disorder is often underdiagnosed. Recommendations for improving the detection of bipolar disorder include the use of screening questionnaires. The most widely studied screening scale is the Mood Disorders Questionnaire (MDQ). Studies of the performance of the MDQ in heterogeneous samples of psychiatric outpatients presenting for treatment have(More)