Browsing by author "Colagiuri, Ben"
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Attentional bias modification and pain: The role of sensory and affective stimuli
Todd, Jemma; Sharpe, Louise; Colagiuri, BenPublished 2016-01-01There is growing evidence to support attentional bias modification (ABM) techniques such as the modified dot-probe task within the pain literature. Such techniques can help to inform theoretical models of pain by identifying ...Open AccessArticle -
Autonomic arousal as a mechanism of the persistence of nocebo hyperalgesia
Colagiuri, Ben; Quinn, Veronica F.Published 2019-01-01Placebo and nocebo mechanisms can lead to clinically significant modulation of pain. Whilst learning is considered to be the broad mechanism underlying both placebo analgesia and nocebo hyperalgesia, critical differences ...Open AccessArticle -
The effect of dose expectancies on caffeine withdrawal symptoms during tapered dose reduction
Mills, Llewellyn; Boakes, Robert A.; Colagiuri, BenPublished 2019-01-01Background: Negative expectancies can exacerbate withdrawal symptoms via the nocebo effect. As such, information provided about dose reductions during attempts to taper a drug could contribute to withdrawal symptoms and ...Open AccessArticle -
The effect of threat on cognitive biases and pain outcomes: an eye-tracking study
Todd, Jemma; Sharpe, Louise; Colagiuri, BenPublished 2016-01-01Background: Theoretical accounts of attentional and interpretation biases in pain suggest that these biases are interrelated and are both influenced by perceived threat. A laboratory-based study was conducted to test whether ...Open AccessArticle -
Expectancies in Double-Blind Randomised Placebo-Controlled Trials and Placebo-Induced Side Effects
Colagiuri, BenPublished 2012-07-16The majority of research on the placebo effect has focused on beneficial effects in patients or participants told to expect an active treatment, but who are actually given a placebo. Two important and relatively understudied ...Open AccessPhD Doctorate -
Expectancy in double-blind placebo-controlled trials: An example from alcohol dependence
Colagiuri, Ben; Morley, Kirsten; Boakes, Robert A; Haber, PaulPublished 2009-01-01Background: Double-blind placebo-controlled trials are intended to control for the impact of expectancy on outcomes. Whether they always achieve this is, however, questionable. Methods: Reanalysis of a clinical trial of ...Open AccessArticle -
The Influence of Side Effect Information Framing on Nocebo Effects
Faasse, Kate; Huynh, Anna; Pearson, Sarah; Geers, Andrew L; Helfer, Suzanne; Colagiuri, BenPublished 2018-09-10Background: One contributing factor to the development of nocebo effects is information provided about possible side effects. However, non-disclosure of information can be problematic. Purpose: We assessed whether positively ...Open AccessArticle -
Latent Inhibition Reduces Nocebo Nausea, Even Without Deception
Quinn, Veronica F; Livesey, Evan J; Colagiuri, BenPublished 2017-01-01Background: Nocebo nausea is a debilitating and prevalent side effect that can develop after conditioning occurs between cues present in the treatment context and the experience of nausea. Interventions that retard ...Open AccessArticle -
Nocebo Hyperalgesia, Partial Reinforcement, and Extinction
Colagiuri, Ben; Quinn, Veronica F; Colloca, LuanaPublished 2015-01-01Many studies have found evidence of conditioning-induced nocebo hyperalgesia. However, these studies have exclusively involved continuous reinforcement schedules. Thus, it is currently unknown whether nocebo hyperalgesia ...Open AccessArticle -
Perceived treatment, feedback, and placebo effects in double-blind RCTs: An experimental analysis.
Colagiuri, Ben; Boakes, Robert APublished 2010-01-01In double-blind randomized placebo-controlled trials (RCT) of therapeutic interventions, the effects of the treatment may provide feedback that undermines blinding and consequently distorts measures of the effectiveness ...Open AccessArticle -
Placebo and Active Treatment Additivity in Placebo Analgesia: Research to Date and Future Directions
Coleshill, Matthew J; Sharpe, Louise; Colloca, Luana; Zachariae, Robert; Colagiuri, BenPublished 2018-01-01Open AccessArticle -
Placebo caffeine reduces withdrawal in abstinent coffee drinkers
Mills, Llewellyn; Boakes, Robert A; Colagiuri, BenPublished 2016-01-01Background: Expectancies have been shown to play a role in the withdrawal syndrome of many drugs of addiction. However no studies have examined the effects of expectancies across a broad range of caffeine withdrawal symptoms, ...Open AccessArticle -
The placebo effect: from concepts to genes
Colagiuri, Ben; Schenk, Lieven A; Kessler, Michael D; Dorsey, Susan D; Colloca, LuanaPublished 2015-01-01Despite its initial treatment as a nuisance variable, the placebo effect is now recognized as a powerful determinant of health across many different diseases and encounters. This is in light of some remarkable findings ...Open AccessArticle -
Sources of placebo-induced relief from nausea: the role of instruction and conditioning
Quinn, Veronica F.; Colagiuri, BenPublished 2016-01-01Objectives: It is well documented that expectancies alter the nauseous response. However, the lack of integration in research examining sources of expectancy has limited our understanding of how expectancies are formed ...Open AccessArticle -
A systematic review and meta-analysis of placebo versus no treatment for insomnia symptoms
Yeung, Valerie; Sharpe, Louise; Glozier, Nick; Hackett, Maree; Colagiuri, BenPublished 2018-01-01This systematic review and meta-analysis aimed to determine the size of the placebo effect for insomnia symptoms when comparing placebo treatment with no treatment. PsycINFO, MEDLINE, and CINAHL databases were systematically ...Open AccessArticle -
Towards a new model of attentional biases in the development, maintenance, and management of pain
Todd, Jemma; Sharpe, Louise; Johnson, Ameika; Perry, Kathryn N; Colagiuri, Ben; Dear, Blake FPublished 2015-01-01Individuals with chronic pain demonstrate attentional biases towards pain-related stimuli. However, the clinical importance of these biases is yet to be determined and a sound theoretical model for explaining the role of ...Open AccessArticle
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