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  • professor emeritus of clinical psychology, University of Queensland and private practice as the Director of the CBT clinic, Toowong private Hospitaledit
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Validation of the interpersonal needs questionnaire of young male adults in Singapore
The roles of culture in understanding gambling and gambling disorder (GD) as well as the prevention and treatment of problem gambling (PG) are systematically presented. Relevant academic databases as well as other academically grounded... more
The roles of culture in understanding gambling and gambling disorder (GD) as well as the prevention and treatment of problem gambling (PG) are systematically presented. Relevant academic databases as well as other academically grounded published articles, government reports and conference papers accessed via online searches from 1975 to 2016 were used. Our review showed that although there were mixed findings in relation to the rate of gambling, there were strong evidences for higher rates of GD among culturally and linguistically diverse (CALD) samples compared to Caucasians or the general population. Cultural factors—such as ethnic, familial and national cultures—implicated in the maintenance of problem gambling are important considerations for future theoretical and practical developments in our increasingly globalised populations. Building cultural competencies and openness among various stakeholders (governmental, treatment providers, communities and academia) is a promising pathway in effective remediation and engagement with recovering or help-seeking gamblers and family members. Designing and implementing effective and culturally sensitive prevention and treatment programmes with the assistance of key community and/or religious leaders as well as family members will help minimise gambling among at-risk members, attract CALD problem gamblers (PGs) to treatment as well as treat and retain CALD PGs in treatment. Finally, although it is important to consider the impact of culture on PG, clinicians need to acknowledge CALD clients’ individual differences when devising prevention and treatment plans, and researchers need to acknowledge the fluidity of the concept of culture in their investigations.
This study investigated the relationship between the level of combat exposure and army status (regular army soldiers vs national servicemen) and the subsequent development of combat-related post-traumatic stress disorder (PTSD).... more
This study investigated the relationship between the level of combat exposure and army status (regular army soldiers vs national servicemen) and the subsequent development of combat-related post-traumatic stress disorder (PTSD). Sixty-four Australian infantrymen who were exposed to combat stress in Vietnam were used in this study. They were divided into four groups based on combat exposure and status as a regular or conscripted soldier. Subjects were assessed 23 years after their tour of duty in Vietnam for PTSD and psychiatric symptomatology using a PTSD inventory based on DSM-III-R criteria, the Self-report Checklist 90 (SCL-90), the Beck Depression Inventory (BDI), the Impact of Events Scale (IES), the Mississippi Scale for Combat-related PTSD (Mississippi Scale), the State and Trait Anxiety Inventory (STAI), and a demographic questionnaire. Results showed that 29.85% of the veterans have a positive diagnosis of PTSD according to self-report of symptoms based on the DSM-III-R cri...
Research Interests:
Medicine and Cx
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This study reported the results of a survey on smoking conducted by the Dunedin Multidisciplinary Health and Development Research Unit of 779 nine year old children in their sample. By the age of nine, 275 (35.3%) of the children had... more
This study reported the results of a survey on smoking conducted by the Dunedin Multidisciplinary Health and Development Research Unit of 779 nine year old children in their sample. By the age of nine, 275 (35.3%) of the children had tried to smoke a cigarette, even just a few puffs, and 636 (81.7%) did not have any friends who smoked. Most of these children knew about the adverse effects of smoking on health and most of this information did not come from their parents. They also reported that 63% of the mothers and 75% of the fathers did not give them information on smoking. The findings suggested (1) that health education programmes for the prevention of smoking by children should start prior to age nine (2) that a programme focusing on the negative aspects of smoking on health would probably not be very beneficial and (3) that parents should be recruited as health educators and used more efficiently in giving children more information about smoking.
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... DOI: 10.1080/10503300512331327038 Leanne M. Casey a b , Tian PS Oei a & Peter A. Newcombe c pages 55-68. Available online ... 33. Kenardy, J, Dow, MGT, Johnston, DW, Newman, M, Thomson, A and Taylor, CB. (2003). A ...
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Objective: Research in the psychopathology of panic and anxiety disorders, particularly agoraphobia, suggests that fear of fear may be the basis of these conditions. However, there is little empirical research on the definition and... more
Objective: Research in the psychopathology of panic and anxiety disorders, particularly agoraphobia, suggests that fear of fear may be the basis of these conditions. However, there is little empirical research on the definition and validity of the concept of fear of fear in a clinical study group. The authors' aims are 1) to determine empirically if particular associations between symptoms and beliefs exist in a group of patients with anxiety disorders and what underlying dimensions of perceived threat they represent and 2) to assess the relative importance of these associations in agoraphobia with panic attacks, panic disorder, social phobia, and generalized anxiety disorder. Method: In an anxiety disorders treatment unit, 390 outpatients with anxiety disorders diagnosed according to DSM-III criteria completed the Anxiety Symptoms and Beliefs Scale. Results: A principal components analysis of the patients' ratings on the Anxiety Symptoms and Beliefs Scale produced a four-fa...
The study examined the nature of pain associated with localized or metastatic prostate cancer (PC). Fourteen men with localized PC, 18 with PC and bony metastases, and a comparison group of 117 patients with rheumatoid arthritis (RA),... more
The study examined the nature of pain associated with localized or metastatic prostate cancer (PC). Fourteen men with localized PC, 18 with PC and bony metastases, and a comparison group of 117 patients with rheumatoid arthritis (RA), completed the body drawing and the pain vocabulary of the McGill Pain Questionnaire (MPQ). There were no significant differences in Pain Rating Index (PRI) between the three groups. The choice of pain adjectives did not differentiate between localized and metastatic PC. Chi-squared analysis revealed group differences in the number of times each PRI subclass was employed to describe localized and metastatic PC pain. In contrast, the frequency of choosing PRI subclasses to describe metastatic PC and RA pain was similar. The results suggested: (i) that bony qualities were included in the description of pain associated with metastatic PC, and (ii) pain assessment conducted at different stages of PC could assist in the management of PC pain.
The present paper aimed (1) to review the literature to examine the effectiveness of CBT as treatment for PDA and (2) to evaluate whether the efficacy of CBT treatments is related to the change to cognitive processes that are postulated... more
The present paper aimed (1) to review the literature to examine the effectiveness of CBT as treatment for PDA and (2) to evaluate whether the efficacy of CBT treatments is related to the change to cognitive processes that are postulated to be important in the cognitive models of PDA. A literature review of CBT studies in the area of PDA was conducted using both descriptive and quantitative (meta-analysis) procedures. In all, 35 studies published between 1969 and 1996 were included. The results show that CBT is an effective treatment for PDA. However, the contribution of cognitive processes to this disorder and the role that they play in the successful outcome of CBT remain unclear and in need of further empirical investigation. At present, CBT treatment provides limited support to validate the cognitive models of PDA.
This study examined in detail the psychobiological correlates of panic attacks experienced in panic disorder with agoraphobia. The cognitions, affect, and physiology of the six patients were monitored during in vivo exposure to their... more
This study examined in detail the psychobiological correlates of panic attacks experienced in panic disorder with agoraphobia. The cognitions, affect, and physiology of the six patients were monitored during in vivo exposure to their phobic situations. The results from these case studies showed that catastrophic cognitions are the key component of panic attacks. However, there was no clear-cut evidence to support an interaction among cognitions, affect, and physiology, which has been postulated by cognitive theories to be the central component of panic attacks and panic disorder with agoraphobia.
A longitudinal study of a Dunedin cohort through to adolescence showed that by age 15 years, 80 percent of the adolescents had tried smoking. There was a steep rise in the prevalence of smoking from age 13 to age 15 years. At age 13 years... more
A longitudinal study of a Dunedin cohort through to adolescence showed that by age 15 years, 80 percent of the adolescents had tried smoking. There was a steep rise in the prevalence of smoking from age 13 to age 15 years. At age 13 years 1% of the adolescents smoked every day, compared with 15% of them at age 15 years. At age 15 years this group of daily smokers consisted of 18% of the girls and 11% of the boys. The majority of adolescents who had never smoked by 13 years of age, but had smoked by 15 years of age were girls. Prevalence rates from the present study (1987-88) are similar to those reported in the 1960s and 1970s. A large decrease in the number of boys who smoke every day has been offset by a large increase in the number of girls who smoke every day.
Effects of inescapable foot shock on pain threshold and on levels of immunoreactive β-endorphin (ir-βEP) in anterior pituitary, neuro-intermediate lobe and plasma were determined by hot plate test and radioimmunoassay respectively.... more
Effects of inescapable foot shock on pain threshold and on levels of immunoreactive β-endorphin (ir-βEP) in anterior pituitary, neuro-intermediate lobe and plasma were determined by hot plate test and radioimmunoassay respectively. Whereas handling and conditioned stress failed to alter baseline pain threshold, 20 min inescapable foot shock produced modest and transient analgesia. Levels of plasma ir-βEP and corticosterone were significantly
Background: The association between substance use and suicide is well-established, but evidence is scant regarding the relationship between the number, type, and level of substances and other risk factors in completed suicide across the... more
Background: The association between substance use and suicide is well-established, but evidence is scant regarding the relationship between the number, type, and level of substances and other risk factors in completed suicide across the lifespan. Aims: To examine the relationship between social/demographic characteristics and the number, type, and level of drugs present in an unrestricted age sample of completed suicides in Australia. Method: An analysis was undertaken of 893 substance-related suicides using data from the Government Statistician's Office for the years 1989-1992. Results: The number and type of substances present in suicide victims was related to the individuals' gender, age, marital status, employment status, and method of suicide. Blood alcohol level was significantly different between the methods of suicide, but was unrelated to demographic characteristics of the individual. The level of antidepressants and minor tranquilizers in the individuals was also u...
Objective: This study aimed to investigate the impact of pre-existing medication on the outcome of group cognitive-behavioural therapy (CBT) in the treatment of patients with depression. Method: Of the 71 patients diagnosed with major... more
Objective: This study aimed to investigate the impact of pre-existing medication on the outcome of group cognitive-behavioural therapy (CBT) in the treatment of patients with depression. Method: Of the 71 patients diagnosed with major depression who participated in group CBT, 25 were on medication (CBT-M) and 46 were unmedicated (CBT). The patients received 12 sessions of group CBT over a 3-month period. The dependent measures used were the Beck Depression Inventory, Zung Self-Rating Depression Scale, Automatic Thoughts Questionnaire, Hopelessness Scale, Dysfunctional Attitude Scale, Daily Activity Rating Scale and Daily Mood Rating Scale. Results: Both the CBT and CBT-M groups showed statistically significant improvement in depression scores and cognitive process measures. However, the rate of improvement for both groups on these measures did not differ. Conclusion: The study indicated that pre-existing antidepressant medication did not enhance or detract from the positive treatmen...
... Journal of Experimental Social Psychology, 22, 228-241. Griffiths, MD (1994). Therole of cognitive bias and skill in fruit machine gambling. British Journal of Psychology,85 (5), 351-369. Gupta, R. & Derevensky, J.(1996). The ...
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Background. The problem-gambling literature has identified a range of individual, cognitive, behavioral and emotional factors as playing important roles in the development, maintenance and treatment of problem gambling. However, familial... more
Background. The problem-gambling literature has identified a range of individual, cognitive, behavioral and emotional factors as playing important roles in the development, maintenance and treatment of problem gambling. However, familial factors have often been neglected. The current study aims to investigate the possible influence of parental factors on offspring gambling behavior.Method. A total of 189 families (546 individuals) completed several questionnaires including the South Oaks Gambling Screen (SOGS) and the Gambling Related Cognition Scale (GRCS). The relationships were examined using Pearson product-moment correlations and structural equation modeling (SEM) analyses.Results. Results showed that generally parents' (especially fathers') gambling cognitions and gambling behaviors positively correlated with offspring gambling behaviors and cognitions. However, SEM analyses showed that although parental gambling behavior was directly related to offspring gambling beha...

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