• Publications
  • Influence
Resilience to suicidality: the buffering hypothesis.
TLDR
The buffering hypothesis is introduced, a framework for the investigation of resilience to suicidality, and strong support for the existence of psychological moderators is found and a moderating impact of attributional style, perfectionism, agency and hopelessness is indicated. Expand
Psychosis, Delusions and the “Jumping to Conclusions” Reasoning Bias: A Systematic Review and Meta-analysis
TLDR
The JTC bias was linked to a greater probability of delusion occurrence in psychosis and nonaffective psychosis is characterized by a hasty decision-making style, which is linked to an increased probability of delusions. Expand
Cognitive behavioural therapy for psychosis prevention: a systematic review and meta-analysis
TLDR
CBT-informed treatment is associated with a reduced risk of transition to psychosis at 6, 12 and 18–24 months, and reduced symptoms at 12 months, according to a systematic review and meta-analysis. Expand
The role of guilt in the development of post-traumatic stress disorder: A systematic review.
TLDR
The current literature is too preliminary to offer any strong support for one model over the other, but in critically appraising existing studies, this review helps to inform the design of future studies investigating the association between guilt and PTSD. Expand
A meta-analysis of the prevalence of different functions of non-suicidal self-injury.
TLDR
Findings indicate that intrapersonal functions of NSSI are most common and are present for the majority of participants, which supports dominant emotion-regulation models of N SSI, and the use of interventions that work to improve emotion- regulation ability. Expand
Defeat and entrapment in schizophrenia: The relationship with suicidal ideation and positive psychotic symptoms
TLDR
The results support a socio-cognitive model (The Schematic Appraisals Model of Suicide: SAMS) of suicide in psychosis and suggest suspiciousness in particular was linked to suicidal ideation. Expand
Does the CES-D measure a continuum from depression to happiness? Comparing substantive and artifactual models
TLDR
It is demonstrated that a two factor structure arises through purely artifactual reasons, and that the CES-D actually has only one substantive factor, providing evidence for a single continuum ranging from happiness to depression. Expand
Psychotic experiences and PTSD: exploring associations in a population survey
TLDR
Findings illustrate that symptoms of PTSD are associated with increased odds of experiencing auditory hallucinations and paranoia, and increasing awareness of this association may advance work in clinical practice. Expand
Resilience to suicidal ideation in psychosis: Positive self-appraisals buffer the impact of hopelessness.
TLDR
Positive self-appraisals may buffer individuals with psychosis against the pernicious impact of a well known clinical risk factor, hopelessness, and may be an important area to target for suicide interventions. Expand
Are people at risk of psychosis also at risk of suicide and self-harm? A systematic review and meta-analysis
TLDR
Self-harm and suicidality are highly prevalent in the UHR population, with rates similar to those observed in samples with diagnosed psychotic disorders, according to a synthesis of the extant literature. Expand
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