Examining the neural mechanisms underlying cognitive control and its application to clinical syndromes featuring dyscontrol

Reductions in alcohol intake among young adults during the pandemic underpinned by binge drinkers and not related to changes in behavioural impulsivity

Antoinette Poulton, Clare McGinness, Sarah Clarke, Loren Richard Bruns, Richard Sinnott, Robert Hester

2022-10-01

The effectiveness of an electronic intervention involving personalised alcohol intake and brain health feedback to reduce alcohol misuse

Antoinette Poulton, Clare McGinness, Sarah Clarke, Tahlia Turner, Robert Hester

2022-10-01

Evaluating untimed and timed abridged versions of Raven's Advanced Progressive Matrices

Antoinette Poulton, Kathleen Rutherford, Sarah Boothe, Madeleine Brygel, Alice Crole, Gezelle Dali, Loren Richard Bruns, Richard O Sinnott, Robert Hester

2022-06-06

INTRODUCTION: Raven's Advanced Progressive Matrices (APM) are frequently utilized in clinical and experimental settings to index i..

Web-Based Independent Versus Laboratory-Based Stop-Signal Task Performance: Within-Subjects Counterbalanced Comparison Study

Antoinette Poulton, Li Peng Evelyn Chen, Gezelle Dali, Michael Fox, Robert Hester

2022-05-30

BACKGROUND: Considered a facet of behavioral impulsivity, response inhibition facilitates adaptive and goal-directed behavior. It ..

Addressing methodological issues in a study of impulsivity and vulnerability for transition to alcohol use disorder

Antoinette Poulton, Oliver Eastwood, Loren Richard Bruns, Richard O Sinnott, Robert Hester

2021-12-14

BACKGROUND: Heightened behavioral impulsivity has been advocated as a preexisting risk factor for the development of alcohol use d..

Functional connectivity during feedback learning in smokers

Leonie Duehlmeyer, Nicholas Parsons, Charles B Malpas, Robert Hester

2021-11-03

BACKGROUND: Although it has been traditionally assumed that dysregulation of psychological processes in smokers results from activ..

Impaired error awareness in healthy older adults: an age group comparison study

Joyce Sim, Felicity L Brown, Redmond G O'Connell, Robert Hester

2020-12-01

Aging is associated with reduced conscious error detection but the brain regions mediating these changes have yet to be clarified...

Transition to substance use disorders: impulsivity for reward and learning from reward

Antoinette Poulton, Robert Hester

2020-10-01

Substance dependence constitutes a profound societal burden. Although large numbers of individuals use licit or illicit substances..

Predictors of Adverse Alcohol Use Consequences Among Tertiary Students

Antoinette Poulton, Adrienn Mata, Jason Pan, Loren Richard Bruns, Richard O Sinnott, Robert Hester

2019-05-01

BACKGROUND: The alcohol consumption patterns of young adults are of concern. Critically, tertiary students consume greater quantit..

A Smartphone App to Assess Alcohol Consumption Behavior: Development, Compliance, and Reactivity

Antoinette Poulton, Jason Pan, Loren Richard Bruns, Richard O Sinnott, Robert Hester

2019-03-25

BACKGROUND: There are disadvantages-largely related to cost, participant burden, and missing data-associated with traditional elec..

Impaired learning from punishment of errors in smokers: Differences in dorsolateral prefrontal cortex and sensorimotor cortex blood-oxygen-level dependent responses

Leonie Duehlmeyer, Robert Hester

2019-01-01

Cigarette smokers have shown hypersensitivity to reward and hyposensitivity to punishment, along with impairments in learning from..

Assessment of alcohol intake: Retrospective measures versus a smartphone application

Antoinette Poulton, Jason Pan, Loren Richard Bruns, Richard O Sinnott, Robert Hester

2018-08-01

INTRODUCTION: Research investigating problem drinking often relies on retrospective measures to assess alcohol consumption behavio..

Effects of reward and punishment on learning from errors in smokers

Leonie Duehlmeyer, Bianca Levis, Robert Hester

2018-07-01

BACKGROUND: Punishing errors facilitates adaptation in healthy individuals, while aberrant reward and punishment sensitivity in dr..

The Effect of Reward and Punishment on Inhibitory Control in Anxiety

Bianca Levis, Rob Hester, Luke Smillie

2017-05-15

Assessing Error Awareness as a Mediator of the Relationship between Subjective Concerns and Cognitive Performance in Older Adults

Rachel F Buckley, Gemma Laming, Li Peng Evelyn Chen, Alice Crole, Robert Hester

2016-11-10

OBJECTIVES: Subjective concerns of cognitive decline (SCD) often manifest in older adults who exhibit objectively normal cognitive..

Cognitive Control Over Immediate Reward in Binge Alcohol Drinkers

Antoinette Poulton, Caitlyn Mackenzie, Kaitlyn Harrington, Sarah Borg, Robert Hester

2016-02-01

BACKGROUND: Cognitive control deficits, as captured by inhibitory control measures, are indicative of increased impulsivity and ar..

Impaired learning from errors in cannabis users: Dorsal anterior cingulate cortex and hippocampus hypoactivity

Susan E Carey, Liam Nestor, Jennifer Jones, Hugh Garavan, Robert Hester

2015-10-01

BACKGROUND: The chronic use of cannabis has been associated with error processing dysfunction, in particular, hypoactivity in the ..

Neural correlates of attentional bias in addiction

Robert Hester, Maartje Luijten

2014-06-01

A small but growing neuroimaging literature has begun to examine the neural mechanisms underlying the difficulty that substance-us..

An electrophysiological signal that precisely tracks the emergence of error awareness

Peter R Murphy, Ian H Robertson, Darren Allen, Robert Hester, Redmond G O'Connell

2012-03-28

Recent electrophysiological research has sought to elucidate the neural mechanisms necessary for the conscious awareness of action..