The present study examined the incidence of paranoid ideation in a nonclinical population. A sample of 324 college students completed a questionnaire assessing their personal experiences of paranoia, with an emphasis on the cognitive, behavioral, and affective components of their experience. They also completed a general measure of paranoia in nonclinical samples, the Fenigstein and Vanable Paranoia Scale, and the Rosenberg Self-Esteem Scale. A total of 153 participants reported an experience of paranoia, which included a clear statement of planned intention to harm. This group scored significantly higher on the Paranoia Scale than those who reported no experience of paranoia. Furthermore, greater levels of paranoid ideation were associated with lower self-esteem. The present findings suggest that paranoia is a common human experience, and are consistent with the idea of continuity between normal and abnormal experience.
Group Person-Based Cognitive Therapy (PBCT) integrates cognitive therapy and mindfulness to target distinct sources of distress in psychosis. The present study presents data from the first randomised controlled trial investigating group PBCT in people distressed by hearing voices. One-hundred and eight participants were randomised to receive either group PBCT and Treatment As Usual (TAU) or TAU only. While there was no significant effect on the primary outcome, a measure of general psychological distress, results showed significant between-group post-intervention benefits in voice-related distress, perceived controllability of voices and recovery. Participants in the PBCT group reported significantly lower post-treatment levels of depression, with this effect maintained at six-month follow-up. Findings suggest PBCT delivered over 12 weeks effectively impacts key dimensions of the voice hearing experience, supports meaningful behaviour change, and has lasting effects on mood.
activity levels and psychotic symptomatology, both positive and negative. Positive symptom distress was more strongly associated than symptom severity with activity levels. We conclude that the time budget measure can be used as an indicator of social functioning, with potential as a measure of therapeutic change. We are currently investigating its sensitivity in this context.
The aim of the study was to explore experiences of practising mindfulness and how this related to living with, and managing, bipolar disorder. Qualitative methodology was used to explore the experiences of 12 people with bipolar disorder who had been practising mindfulness for at least 18 weeks. Semi-structured interviews exploring how mindfulness practice related to living with bipolar disorder were recorded verbatim, transcribed and analysed using thematic analysis. Seven themes emerged: Focusing on what is present; clearer awareness of mood state/change; acceptance; mindfulness practice in different mood states; reducing/stabilizing negative affect; relating differently to negative thoughts; reducing impact of mood state. All participants reported subjective benefits and challenges of mindfulness practice, and gave insights into processes of change.
A growing body of research shows that paranoia is common in the general population. We report three studies that examined the Prisoner's Dilemma Game (PDG) as a paradigm for evaluation of non-clinical paranoia. The PDG captures three key qualities that are at the heart of paranoia--it is interpersonal, it concerns threat, and it concerns the perception of others' intentions towards the self. Study 1 (n=175) found that state paranoia was positively associated with selection of the competitive PDG choice. Study 2 (n=111) found that this association was significant only when participants believed they were playing the PDG against another person, and not when playing against a computer. This finding underscores the interpersonal nature of paranoia and the concomitant necessity of studying paranoia in interpersonal context. In Study 3 (n=152), we assessed both trait and state paranoia, and differentiated between distrust- and greed-based competition. Both trait and state paranoia were positively associated with distrust-based competition (but not with greed-based competition). Crucially, we found that the association between trait paranoia and distrust-based competition was fully mediated by state paranoia. The PDG is a promising paradigm for the study of non-clinical paranoia.
BackgroundThe outcome of first episode psychosis (FEP) is highly variable and difficult to predict. Cognitive insight measured at illness onset has previously been found to predict psychopathology 12-months later. The aims of this study were to examine whether the prospective relationship between cognitive insight and symptom severity is evident at four-years following FEP and to examine some psychological correlates of cognitive insight.MethodsFEP participants (n = 90) completed the Beck Cognitive Insight Scale (BCIS) at illness onset, and associations between BCIS scores with symptom severity outcomes (4-years after FEP) were assessed. The BCIS scales (self-reflectiveness and self-certainty) were examined as a composite score, and individually compared to other cognitive measures (IQ and jumping to conclusions (JTC) bias).ResultsRegression analyses revealed that the cognitive insight composite did not predict 4-year symptom remission in this study while the self-reflection subscale of the BCIS predicted severity of symptoms at 4-years. Self-certainty items of the BCIS were not associated with symptom severity. Significant correlations between the JTC bias, self-certainty and IQ were found, but self-reflection did not correlate with these other cognitive measures.ConclusionsSelf-reflective capacity is a more relevant and independent cognitive construct than self-certainty for predicting prospective symptom severity in psychosis. Improving self-reflection may be a useful target for early intervention research.
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