Warrick J Brewer
Affiliation: University of Melbourne
- Dysfunction of dorsolateral prefrontal cortex in antipsychotic-naïve schizophreniform psychosisBen J Harrison
Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Australia
Psychiatry Res 148:23-31. 2006....
- Phenylthiocarbamide (PTC) perception in ultra-high risk for psychosis participants who develop schizophrenia: testing the evidence for an endophenotypic markerWarrick J Brewer
Orygen Youth Health Research Centre, University of Melbourne, Melbourne, Australia
Psychiatry Res 199:8-11. 2012....
- Impairment of olfactory identification ability in individuals at ultra-high risk for psychosis who later develop schizophreniaWarrick J Brewer
Department of Psychiatry, University of Melbourne, Melbourne, Australia
Am J Psychiatry 160:1790-4. 2003..Previous investigation has revealed stable olfactory identification deficits in neuroleptic-naive patients experiencing a first episode of psychosis, but it is unknown if these deficits predate illness onset...
- Olfactory sensitivity through the course of psychosis: Relationships to olfactory identification, symptomatology and the schizophrenia odourWarrick J Brewer
ORYGEN Research Centre, Melbourne, Victoria, Australia
Psychiatry Res 149:97-104. 2007..This may be linked to olfactory habituation effects, abnormal chemical processing or a genetic predisposition...
- Generalized and specific cognitive performance in clinical high-risk cohorts: a review highlighting potential vulnerability markers for psychosisWarrick J Brewer
ORYGEN Research Centre and Early Psychosis Prevention and Intervention Centre, EPPIC, Department of Psychiatry, University of Melbourne, Australia
Schizophr Bull 32:538-55. 2006..Delineation of the relationship between specific cognitive ability and symptoms from data-driven approaches may improve our understanding of the role of cognition during psychosis onset...
- Memory impairments identified in people at ultra-high risk for psychosis who later develop first-episode psychosisWarrick J Brewer
ORYGEN Research Centre, Melbourne, Australia
Am J Psychiatry 162:71-8. 2005..While cognitive deficits are frequently reported in psychotic disorders, it is unclear whether these impairments predate the onset of illness and to what extent they are predictive of later transition to psychosis...
- Increased prefrontal cerebral blood flow in first-episode schizophrenia following treatment: longitudinal positron emission tomography studyWarrick J Brewer
ORYGEN Research Centre, Locked Bag 10, Parkville, VIC 3052, Australia and Early Psychosis Prevention and Intervention Centre, Department of Psychiatry, University of Melbourne, Melbourne, Victoria, Australia
Aust N Z J Psychiatry 41:129-35. 2007..The objective of the current study was to investigate executive-control related neural activity from first onset of the illness through to symptom stabilization...
- Cognitive decline following psychosis onset: data from the PACE clinicStephen J Wood
Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne, c o National Neuroscience Facility, 161 Barry Street, Carlton South, VIC 3053 Australia
Br J Psychiatry Suppl 51:s52-7. 2007..The origin of cognitive impairments in psychotic disorders is still unclear. Although some deficits are apparent prior to the onset of frank illness, it is unknown if they progress...
- Attentional set-shifting ability in first-episode and established schizophrenia: Relationship to working memoryChristos Pantelis
Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne and Melbourne Health, Sunshine Hospital, St Albans, Victoria 3021, Australia
Schizophr Res 112:104-13. 2009..Longitudinal studies assessing these cognitive functions from illness onset or in prepsychotic individuals are required...
- Fractionation of verbal memory impairment in schizophrenia and schizophreniform psychosisStephen J Wood
Melbourne Neuropsychiatry Centre, c National Neuroscience Facility, Carlton, Melbourne, Victoria, Australia
Aust N Z J Psychiatry 41:732-9. 2007..The impact of antipsychotic medications is also unclear. The purpose of the present paper was to investigate verbal memory performance in established schizophrenia (SZ) and first-episode schizophreniform psychosis (FE)...
- Evaluating brain activity in obsessive-compulsive disorder: preliminary insights from a multivariate analysisBen J Harrison
Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Melbourne, Victoria, Australia
Psychiatry Res 147:227-31. 2006..Implications for the analysis of such studies are discussed...
- Grey and white matter abnormalities are associated with impaired spatial working memory ability in first-episode schizophreniaLuca Cocchi
Department of Psychiatry, Melbourne Neuropsychiatry Centre, The University of Melbourne and Melbourne Health, Melbourne, Australia
Schizophr Res 115:163-72. 2009....
- Early processing deficits in object working memory in first-episode schizophreniform psychosis and established schizophreniaBirgit Mathes
Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne and Sunshine Hospital, Melbourne, Australia
Psychol Med 35:1053-62. 2005..While there are many studies showing working-memory deficits in schizophrenia there are only a few that disentangle impairments for working-memory subprocesses such as perceptual, attentional, mnemonic and executive function...
- Long-term follow-up of a group at ultra high risk ("prodromal") for psychosis: the PACE 400 studyBarnaby Nelson
Orygen Youth Health Research Centre, Centre for Youth Mental Health, University of Melbourne, Melbourne, Australia
JAMA Psychiatry 70:793-802. 2013..The ultra high-risk (UHR) criteria were introduced to prospectively identify patients at high risk of psychotic disorder. Although the short-term outcome of UHR patients has been well researched, the long-term outcome is not known...
- The impact of cannabis use on cognitive functioning in patients with schizophrenia: a meta-analysis of existing findings and new data in a first-episode sampleMurat Yucel
Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne and Melbourne Health, National Neuroscience Facility, Alan Gilbert Building, 161 Barry Street, Carlton South, Victoria 3053, Australia
Schizophr Bull 38:316-30. 2012....
- Olfactory impairments in child attention-deficit/hyperactivity disorderFelicity R Karsz
University of Melbourne, Victoria, Australia
J Clin Psychiatry 69:1462-8. 2008....
- Pituitary volume predicts future transition to psychosis in individuals at ultra-high risk of developing psychosisBelinda Garner
Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne, Royal Melbourne Hospital, Melbourne, Australia
Biol Psychiatry 58:417-23. 2005..We examined pituitary volume before the onset of psychosis in subjects who were at ultra-high risk (UHR) for developing psychosis...
- Functional connectivity during Stroop task performanceBen J Harrison
Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Neuroimage 24:181-91. 2005..These findings may also provide some additional insight into the nature of anterior cingulate- and prefrontal cortical contributions to implementing cognitive control in the brain...
- Clinical neuropsychology within adolescent and young-adult psychiatry: conceptualizing theory and practiceKelly Allott
Center for Youth Mental Health, Orygen Youth Health Research Center, The University of Melbourne, Parkville, Victoria, Australia
Appl Neuropsychol Child 2:47-63. 2013..The importance of considering the neurodevelopmental context and its relationship to current theoretical models underpinning clinical practice are discussed...
- Olfactory sensitivity: functioning in schizophrenia and implications for understanding the nature and progression of psychosisWarrick J Brewer
Orygen Youth Health Research Centre, Centre for Youth Mental Health, University of Melbourne, Victoria, Australia
Vitam Horm 83:305-29. 2010..These findings have significant implications for future genetic prediction of this disorder...
- Understanding drug addiction: a neuropsychological perspectiveMurat Yucel
ORYGEN Research Centre, Department of Psychiatry, University of Melbourne, Melbourne, Victoria, Australia
Aust N Z J Psychiatry 41:957-68. 2007..Presented herein is a neuropsychological model of addictive behaviour that highlights the complex interplay between cognition, brain maturation, psychopathology and drug exposure...