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Dive into the research topics where Linley A. Denson is active.

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Featured researches published by Linley A. Denson.


Journal of Attention Disorders | 2014

Nonpharmacological Treatments for ADHD: A Meta-Analytic Review

Kristy Hodgson; Amanda D. Hutchinson; Linley A. Denson

Objective: The authors replicated and expanded on Fabiano et al.’s meta-analysis of behavioral treatments for ADHD, systematically comparing the efficacy of 7 nonpharmacological interventions. Method: A total of 14 controlled treatment studies conducted post-1994—evaluating behavior modification, neurofeedback therapy, multimodal psychosocial treatment, school-based programs, working memory training, parent training, and self-monitoring—were identified, primarily by searching electronic English-language databases. The results were meta-analyzed: mean-weighted effect sizes for the treatment outcomes of 625 participants (382 treatment, 243 controls) were calculated, and moderator analyses examined contributions of gender, ADHD subtype, and treatment “dosage” to outcome. Results: Behavior modification and neurofeedback treatments were most supported by this evidence. Interventions were generally more efficacious for girls, and least efficacious for the “combined” ADHD subtype. The authors found no dose or age effects. Conclusion: Based on the small, published literature, this study supports some nonpharmacological interventions for ADHD, and indicates directions for more evaluation research into psychological treatments.


British Journal of Clinical Psychology | 2015

Psychological functioning of people living with chronic pain: A meta‐analytic review

Anne L. J. Burke; Jane L. Mathias; Linley A. Denson

OBJECTIVES Chronic pain (CP; >3 months) is a common condition that is associated with significant psychological problems. Many people with CP do not fit into discrete diagnostic categories, limiting the applicability of research that is specific to a particular pain diagnosis. This meta-analysis synthesized the large extant literature from a general CP, rather than diagnosis-specific, perspective to systematically identify and compare the psychological problems most commonly associated with CP. METHODS Four databases were searched from inception to December 2013 (PsychINFO, The Cochrane Library, Scopus, and PubMed) for studies comparing the psychological functioning of adults with CP to healthy controls. Data from 110 studies were meta-analysed and Cohens d effect sizes calculated. RESULTS The CP group reported experiencing significant problems in a range of psychological domains (depression, anxiety, somatization, anger/hostility, self-efficacy, self-esteem and general emotional functioning), with the largest effects observed for pain anxiety/concern and somatization; followed by anxiety and self-efficacy; and then depression, anger/hostility, self-esteem and general emotional functioning. CONCLUSIONS This study demonstrates, for the first time, that individuals with CP are more likely to experience physically focussed psychological problems than other psychological problems and that, unlike self-efficacy, fear of pain is intrinsically tied to the CP experience. This challenges the prevailing view that, for individuals with CP, problems with depression are either equal to, or greater than, problems with anxiety, thereby providing important information to guide therapeutic targets. PRACTITIONER POINTS Positive clinical implications: This is the first time that the CP literature has been synthesized from a general perspective to examine psychological functioning in the presence of CP and provide practical recommendations for assessment and therapy. Individuals with CP were most likely to experience psychological problems in physically focussed areas - namely pain anxiety/concern and somatization. Although fear of pain was intrinsically tied to the CP experience, self-efficacy was not. CP was more strongly associated with anxiety than with depression. Limitations The study focuses on the general CP literature, adults and research-utilizing self-report measures. Meta-analyses are limited by the empirical literature on which they are based.


Journal of Psychosocial Oncology | 2011

Gynecological cancer survivors: assessment of psychological distress and unmet supportive care needs.

Olivia A. Urbaniec; Kathryn Collins; Linley A. Denson; Hayley S. Whitford

This study highlights psychosocial needs of gynecological cancer survivors, contributing to evaluation of the Cancer Survivors Unmet Needs measure. Of the 45 participants, 28.9% reported clinical anxiety, 20.0% mild-to-severe depression, and 15.6% had probable posttraumatic stress disorder. Strength of unmet needs was associated with anxiety, depression, posttraumatic stress, poorer quality of life, younger age, and greater time since diagnosis. Linear regressions showed clinical measures, quality of life, optimism, and self-blaming coping style explained 56.4% of strength of unmet needs. Anxiety, functional well-being, posttraumatic stress, and emotional well-being accounted for 40.7% of variance in fear of recurrence, with emotional well-being the strongest predictor.


Journal of Health Psychology | 2011

Efficacy of cognitive behavior therapy for the management of psychological outcomes following spinal cord injury : A meta analysis

Diana Dorstyn; Jane L. Mathias; Linley A. Denson

This meta-analysis evaluated the impact of cognitive behavior therapy (CBT) on the psychological adjustment of adults with spinal cord injury (SCI). A comprehensive search of six electronic databases identified 10 studies (424 participants) that met the inclusion criteria. Pre- and post-data for participants who received CBT were pooled and analyzed. Large and significant group differences were noted for measures of assertiveness, coping, self-efficacy, depression and quality of life. These data suggest that CBT has a significant positive impact on short-term psychological outcomes following SCI. However, further research is needed to establish the long-term benefits.


Clinical Rehabilitation | 2013

Applications of telecounselling in spinal cord injury rehabilitation: a systematic review with effect sizes:

Diana Dorstyn; Jane L. Mathias; Linley A. Denson

Objective: To investigate the short- and medium-term efficacy of counselling services provided remotely by telephone, video or internet, in managing mental health outcomes following spinal cord injury. Data sources: A search of electronic databases, critical reviews and published meta-analyses was conducted. Review methods: Seven independent studies (N = 272 participants) met the inclusion criteria. The majority of these studies utilized telephone-based counselling, with limited research examining psychological interventions delivered by videoconferencing (Nstudy = 1) or online (Nstudy = 1). Results: There is some evidence that telecounselling can significantly improve an individual’s management of common comorbidities following spinal cord injury, including pain and sleep difficulties (d = 0.45). Medium-term treatment effects were difficult to evaluate, with very few studies providing these data, although participants have reported gains in quality of life 12 months after treatment (d = 0.88). The main clinical advantages are time efficiency and consumer satisfaction. Conclusion: The results highlight the need for further evidence, particularly randomized controlled trials, to establish the benefits and clinical viability of telecounselling.


Journal of Psychosomatic Research | 2002

The neuropsychiatry of carbon monoxide poisoning in attempted suicide: A prospective controlled study

Phillipa Hay; Linley A. Denson; Miranda van Hoof; Natalia Blumenfeld

OBJECTIVE There are few prospective comprehensive controlled studies of the neuropsychiatric outcome in people who attempt suicide with carbon monoxide (CO). The present study aimed to evaluate this. METHODS A consecutive series of 41 adults (81% men) with CO exposure presenting over 3 years, and 20 matched controls, were evaluated with instruments to assess orientation, attention, concentration, speed of information processing, verbal memory, premorbid intellect, executive function (working memory, verbal fluency and set-switching), mood disorder, psychotic disorder, alcohol dependence and obsessive-compulsive disorder, levels of depression, hopelessness, suicide intent, anxiety, neurobehavioural function and social and interpersonal functioning. At 2 months follow-up, the neuropsychological battery was extended to include further tests of executive function (including problem-solving) and memory (including visual memory), RESULTS At initial assessment, control subjects showed similar levels of cognitive impairment as CO-exposed subjects (except in the case of four CO subjects with very severe impairment), but were more depressed. At 2-months follow-up, the trends were generally towards improvement in all subjects, with no between-group differences. CONCLUSIONS Indirect effects on cognitive state may be at least as great as direct CO neurotoxicity in suicide attempters. The study did not support CO exposure exacerbating mood disorder in this sample.


Psychology Health & Medicine | 1998

Work stress management for women general practitioners: An evaluation

Helen R. Winefield; Elizabeth Farmer; Linley A. Denson

Abstract Recognition of increasing levels of work stress in medical professionals has recently stimulated efforts at stress management which, however, remain at an exploratory stage. As the sources of work stress in general practice are gender-related, the intervention described in this paper was offered to women only. A series of three three-hour seminars was held for women GPs who had expressed interest in learning about management of their own work stresses. The 20 participants were representative of women GPs in Australia, being young (average age 39.6) and many working part-time; most had a husband and children living with them. Participants completed intake measures of psychological distress, job satisfaction and burnout, and standardized evaluative ratings after each session, and they provided follow-up information at four weeks after the completion of the seminars. Significant reduction of both psychological distress and emotional exhaustion was achieved, a sufficiently promising result to encoura...


Addictive Behaviors | 2014

Psychiatric co-morbidity in problem and pathological gamblers: Investigating the confounding influence of alcohol use disorder

Reza Abdollahnejad; Paul Delfabbro; Linley A. Denson

Pathological gambling is known to be associated with a higher than average prevalence of psychological co-morbidities including a range of psychiatric conditions. A problem with much of this literature, however, is that such problems are also frequently found in populations affected by alcohol use disorder, which is common in populations of pathological gamblers. Accordingly, the principal aim of this study was to profile the comorbidities present in a sample of pathological gamblers, comparing those who did, and did not, additionally meet criteria for alcohol use disorder. A sample of 140 community-recruited regular gamblers completed a number of measures including the Mini International Neuropsychiatric Interview, the Personality Diagnostic Questionnaire, NORC DSM-IV Screen Self-Administered and the Alcohol Use Disorders Identification Test. Comparisons showed that most psychiatric conditions (and in particular personality disorders) were significantly more prevalent in those with a dual diagnosis, followed by problem gamblers and then by those with neither disorder. This suggests that high rates of psychiatric illness in pathological gambling may be strongly influenced by co-occurring alcohol problems.


Spinal Cord | 2010

Psychological intervention during spinal rehabilitation: a preliminary study

Diana Dorstyn; Jane L. Mathias; Linley A. Denson

Study design:A repeated measures, non-randomised controlled trial.Objective:To examine the effectiveness of individualised cognitive behaviour therapy (CBT) on the psychological adjustment of patients undergoing rehabilitation for newly acquired spinal cord injury.Setting:South Australian Spinal Cord Injury Service, Hampstead Rehabilitation Centre, South Australia, Australia.Methods:Eleven participants received individual CBT as part of their spinal rehabilitation. Self-reported levels of depression, anxiety and stress were assessed before the intervention, at week 12 of rehabilitation and at 3 months post-discharge, using the depression, anxiety and stress scales (DASS-21). Functional independence was also assessed, using the Functional Independence Measure (FIM). Responses were compared with 13 participants, closely matched on demographic and injury variables, who received standard psychological care (that is, assessment and monitoring only).Results:Depression scores for treatment participants showed a significant time effect, with worsening symptoms reported at three-month follow-up, after CBT was discontinued. In contrast, the DASS-21 scores of standard care participants remained at subclinical levels throughout the study. Clinical improvements in symptoms of anxiety and stress were also reported by the treatment group as inpatient therapy progressed.Conclusion:Targeted, individualised psychological treatment contributed to short-term, meaningful improvements in emotional outcomes for individuals reporting psychological morbidity after recent spinal injury. The results also highlight the need for ongoing access to specialised, psychological services post-discharge. Replication of these results with a larger sample is required before definitive conclusions can be drawn.


Journal of Gambling Studies | 2014

The Clustering of Psychiatric Disorders in High-Risk Gambling Populations

Mohammad Reza Abdollahnejad; Paul Delfabbro; Linley A. Denson

The aims of this study were to examine the associations between psychiatric disorders and pathological gambling (PG) and the clustering of psychiatric disorders in high risk gambler populations. The sample comprised 140 regular gamblers who were recruited from the general public. A variety of self- report and semi structured questionnaires was administered, including the Mini International Neuropsychiatric Interview, The Personality Diagnostic Questionnaire-4th Edition, NORC DSM-IV Screen for Gambling Problems Self- administered and Problem Gambling Severity Index. Axis I and Axis II psychiatric disorders and personality disturbances were found to be more prevalent amongst pathological gamblers than other gamblers with the strongest differences observed for mood and anxiety-related disorders. Almost two-thirds of pathological gamblers reported both an anxiety or mood disorder in conjunction with another type of disorder. These differences between the gambling groups existed even after controlling for gender. The results highlight the high rates of co-morbidity in pathological gamblers in the community and the extent to which anxiety and mood disorders co-existing with other forms of pathology. These results highlight the significant challenges facing treatment services in the treatment of PG and the extent to which this should be treated as the primary disorder.

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Lynn Ward

University of Adelaide

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Wenjing Li

University of Adelaide

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Dennis Liu

University of Adelaide

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