P Maruff

Summary

Affiliation: CogState Ltd
Country: Australia

Publications

  1. ncbi request reprint Repeated assessment of cognition in children and the measurement of performance change
    Catherine M Mollica
    School of Psychological Science, LaTrobe University, Bundoora, Victoria, Australia
    Child Neuropsychol 11:303-10. 2005
  2. doi request reprint The use of effect sizes to characterize the nature of cognitive change in psychopharmacological studies: an example with scopolamine
    Amy Fredrickson
    CogState Ltd, Melbourne, Australia
    Hum Psychopharmacol 23:425-36. 2008
  3. pmc Valproic acid is associated with cognitive decline in HIV-infected individuals: a clinical observational study
    Lucette A Cysique
    Department of Psychiatry, University of California at San Diego, San Diego, California, USA
    BMC Neurol 6:42. 2006
  4. doi request reprint Validity of the CogState brief battery: relationship to standardized tests and sensitivity to cognitive impairment in mild traumatic brain injury, schizophrenia, and AIDS dementia complex
    Paul Maruff
    CogState Ltd, 7 21 Victoria Street, Melbourne 3000, Australia
    Arch Clin Neuropsychol 24:165-78. 2009
  5. ncbi request reprint Abnormalities of motor imagery associated with somatic passivity phenomena in schizophrenia
    Paul Maruff
    School of Psychological Science, LaTrobe University, Victoria, Australia
    Schizophr Res 60:229-38. 2003
  6. ncbi request reprint Subtle memory decline over 12 months in mild cognitive impairment
    P Maruff
    Mental Health Research Institute of Victoria, Carlton, Australia
    Dement Geriatr Cogn Disord 18:342-8. 2004
  7. ncbi request reprint Cognitive function in growth hormone deficiency and growth hormone replacement
    Paul Maruff
    CogState Ltd, LaTrobe University, Melbourne, Australia
    Horm Res 64:100-8. 2005
  8. ncbi request reprint Fatigue-related impairment in the speed, accuracy and variability of psychomotor performance: comparison with blood alcohol levels
    Paul Maruff
    School of Psychology, La Trobe University, Bundoora, Vic, Australia
    J Sleep Res 14:21-7. 2005
  9. pmc Cognitive deterioration associated with an expedition in an extreme desert environment
    P Maruff
    CogState Ltd, Melbourne, Victoria, Australia
    Br J Sports Med 40:556-60. 2006
  10. ncbi request reprint A statistical approach for classifying change in cognitive function in individuals following pharmacologic challenge: an example with alprazolam
    Paul Maruff
    CogState Ltd, Melbourne, Australia
    Psychopharmacology (Berl) 186:7-17. 2006

Collaborators

Detail Information

Publications126 found, 100 shown here

  1. ncbi request reprint Repeated assessment of cognition in children and the measurement of performance change
    Catherine M Mollica
    School of Psychological Science, LaTrobe University, Bundoora, Victoria, Australia
    Child Neuropsychol 11:303-10. 2005
    ..An estimate of the measurement error within each of the tests is provided, and recommendations are made regarding the application of this assessment battery for measuring cognitive change in children...
  2. doi request reprint The use of effect sizes to characterize the nature of cognitive change in psychopharmacological studies: an example with scopolamine
    Amy Fredrickson
    CogState Ltd, Melbourne, Australia
    Hum Psychopharmacol 23:425-36. 2008
    ..This methodology overcomes the limitations of comparisons between studies using different tasks, doses and time at which cognitive functions are measured...
  3. pmc Valproic acid is associated with cognitive decline in HIV-infected individuals: a clinical observational study
    Lucette A Cysique
    Department of Psychiatry, University of California at San Diego, San Diego, California, USA
    BMC Neurol 6:42. 2006
    ..However, the effect of VPA on cognitive functions in advanced HIV-infected individuals is largely unknown. A recent study would suggest that it may have a neuroprotective effect, the doses used were low and the observation period short...
  4. doi request reprint Validity of the CogState brief battery: relationship to standardized tests and sensitivity to cognitive impairment in mild traumatic brain injury, schizophrenia, and AIDS dementia complex
    Paul Maruff
    CogState Ltd, 7 21 Victoria Street, Melbourne 3000, Australia
    Arch Clin Neuropsychol 24:165-78. 2009
    ..Taken together, the results suggest that the cognitive paradigms operationally defined in the CogState brief battery have acceptable construct and criterion validity in a neuropsychological context...
  5. ncbi request reprint Abnormalities of motor imagery associated with somatic passivity phenomena in schizophrenia
    Paul Maruff
    School of Psychological Science, LaTrobe University, Victoria, Australia
    Schizophr Res 60:229-38. 2003
    ..This is consistent with the hypothesis that patients with passivity phenomena have difficulty with maintaining an internal representation of intentional behaviour...
  6. ncbi request reprint Subtle memory decline over 12 months in mild cognitive impairment
    P Maruff
    Mental Health Research Institute of Victoria, Carlton, Australia
    Dement Geriatr Cogn Disord 18:342-8. 2004
    ..Reliable tests are needed to both detect MCI and measure the natural history of decline over months rather than years. We aimed to detect memory decline over 1 year in a group of older individuals with well-characterised amnestic MCI...
  7. ncbi request reprint Cognitive function in growth hormone deficiency and growth hormone replacement
    Paul Maruff
    CogState Ltd, LaTrobe University, Melbourne, Australia
    Horm Res 64:100-8. 2005
    ..It is now important to establish the clinical importance of these findings, and further work is required to understand better the nature, magnitude and meaning of GH-related cognitive impairments and improvements...
  8. ncbi request reprint Fatigue-related impairment in the speed, accuracy and variability of psychomotor performance: comparison with blood alcohol levels
    Paul Maruff
    School of Psychology, La Trobe University, Bundoora, Vic, Australia
    J Sleep Res 14:21-7. 2005
    ..08%BAC. This suggests that previous studies that have not accounted for variability in the performance data have overestimated the effect of fatigue on cognitive performance...
  9. pmc Cognitive deterioration associated with an expedition in an extreme desert environment
    P Maruff
    CogState Ltd, Melbourne, Victoria, Australia
    Br J Sports Med 40:556-60. 2006
    ..Prolonged exposure to extreme environments may result in cognitive changes that may influence decision making ability and increasing risk of injury or death...
  10. ncbi request reprint A statistical approach for classifying change in cognitive function in individuals following pharmacologic challenge: an example with alprazolam
    Paul Maruff
    CogState Ltd, Melbourne, Australia
    Psychopharmacology (Berl) 186:7-17. 2006
    ..Therefore, it is useful to consider statistical models for the detection of cognitive change in response to a drug treatment in individual subjects...
  11. pmc Computerised cognitive assessment of concussed Australian Rules footballers
    M Makdissi
    Centre for Sports Medicine Research Education, University of Melbourne, Parkville, Victoria, Australia
    Br J Sports Med 35:354-60. 2001
    ..This has implications for consistency of an athlete's performance after injury, as well as for tests used in clinical assessment and follow up of head injuries...
  12. ncbi request reprint Inhibitory processes in covert orienting in patients with Alzheimer's disease
    J Danckert
    Neurophysiology and Neurovisual Research Unit, Mental Health Research Institute of Victoria, Parkville, Australia
    Neuropsychology 12:225-41. 1998
    ..A model of covert orienting in which exogenous and endogenous orienting processes interact to control attentional behaviors is discussed...
  13. ncbi request reprint Contextual abnormalities of saccadic inhibition in children with attention deficit hyperactivity disorder
    S Cairney
    The Neurophysiology nd Neurovisual Research Unit, Mental Health Research Institute of Victoria, Parkville, Victoria, Australia 3052
    Exp Brain Res 141:507-18. 2001
    ..Furthermore, deficits in executive function and inhibitory control appear independent in children with ADHD...
  14. ncbi request reprint Facilitation and inhibition arising from the exogenous orienting of covert attention depends on the temporal properties of spatial cues and targets
    P Maruff
    School of Biophysics and Electrical Engineering, Swinburne University of Technology, Hawthorn, Victoria, Australia
    Neuropsychologia 37:731-44. 1999
    ..These results suggest that the facilitation and inhibition found on COVATs which use non-informative peripheral cues are independent processes and their presence and magnitude is related to the temporal properties of cues and targets...
  15. ncbi request reprint Goal-directed selective attention and response competition monitoring: evidence from unilateral parietal and anterior cingulate lesions
    J Danckert
    School of Psychological Science, La Trobe University, Bundoora, Victoria, Australia
    Neuropsychology 14:16-28. 2000
    ..Patient G.M. demonstrated reduced interference effects for contralesional flankers. Results are discussed in terms of goal-directed selective attention and response competition monitoring...
  16. ncbi request reprint Motor, visual and egocentric transformations in children with Developmental Coordination Disorder
    J Williams
    Division of Psychology, School of Health Sciences, RMIT University, Melbourne, Vic, Australia
    Child Care Health Dev 32:633-47. 2006
    ..This study aimed to test the internal modelling deficit (IMD) hypothesis using the mental rotation paradigm...
  17. ncbi request reprint Deficits in the endogenous redirection of covert visual attention in chronic schizophrenia
    P Maruff
    Neurophysiology and Neurovisual Research Unit, Mental Health Research Institute of Victoria, Parkville, Australia
    Neuropsychologia 34:1079-84. 1996
    ..These results suggest that patients with chronic schizophrenia have difficulty utilizing the endogenous strategies to inhibit exogenous covert attentional shifts...
  18. pmc Cognition in the days following concussion: comparison of symptomatic versus asymptomatic athletes
    A Collie
    Centre for Health, Exercise and Sports Medicine, University of Melbourne, Parkville, Victoria, Australia
    J Neurol Neurosurg Psychiatry 77:241-5. 2006
    ..This study compared post-concussion cognitive function in recently concussed athletes who were symptomatic/asymptomatic at the time of assessment with that of non-injured (control) athletes...
  19. ncbi request reprint Neurological and cognitive abnormalities associated with chronic petrol sniffing
    P Maruff
    Swinburne University of Technology, Mental Health Research Institute of Victoria, Melbourne, Australia
    Brain 121:1903-17. 1998
    ..These results suggest that subtle neurological and cognitive abnormalities do occur in individuals who abuse petrol but who do not have acute toxic encephalopathy and that the severity of these abnormalities is reduced with abstinence...
  20. ncbi request reprint Abnormalities of imaged motor sequences in children with developmental coordination disorder
    P Maruff
    Swinburne University of Technology, Melbourne, Victoria, Australia
    Neuropsychologia 37:1317-24. 1999
    ..This may reflect part of a general impairment in the processing of efference copy in DCD...
  21. ncbi request reprint Norms and the effects of demographic variables on a neuropsychological battery for use in healthy ageing Australian populations
    A Collie
    School of Psychological Science, LaTrobe University, Bundoora, Victoria, Australia
    Aust N Z J Psychiatry 33:568-75. 1999
    ..The effects of age, education, gender and mood on cognitive performance in healthy older individuals were also explored...
  22. ncbi request reprint Abnormal executive function in attention deficit hyperactivity disorder: the effect of stimulant medication and age on spatial working memory
    R Barnett
    Maroondah Hospital Child and Adolescent Mental Health Service, Victoria, Australia
    Psychol Med 31:1107-15. 2001
    ..These deficits were not present in the current sample of children who were receiving psychostimulant medication...
  23. pmc Computerised cognitive assessment of athletes with sports related head injury
    A Collie
    Centre for Neuroscience, University of Melbourne, Parkville, Victoria, Australia
    Br J Sports Med 35:297-302. 2001
    ....
  24. ncbi request reprint Visuospatial working memory deficits in adolescent onset schizophrenia
    A Vance
    Academic Child Psychiatry Unit, Department of Paediatrics, University of Melbourne and Royal Children s Hospital and Murdoch Childrens Research Institute, Parkville, 3052, Victoria, Australia
    Schizophr Res 87:223-7. 2006
    ....
  25. doi request reprint Barriers to repeated assessment of verbal learning and memory: a comparison of international shopping list task and rey auditory verbal learning test on build-up of proactive interference
    S Rahimi-Golkhandan
    School of Psychology, Australian Catholic University, Melbourne, Victoria, Australia
    Arch Clin Neuropsychol 27:790-5. 2012
    ....
  26. ncbi request reprint Memory decline in healthy older people: implications for identifying mild cognitive impairment
    A Collie
    Neuropsychology Laboratory, Mental Health Research Institute of Victoria, Parkville, Australia
    Neurology 56:1533-8. 2001
    ..This study aimed to identify and characterize older people with memory decline...
  27. pmc Psychometric issues associated with computerised neuropsychological assessment of concussed athletes
    A Collie
    CogState Limited, Carlton, Australia
    Br J Sports Med 37:556-9. 2003
    ..Issues critical to ensuring test reliability and sensitivity are discussed, with particular reference to how inappropriate test design can affect clinical decision making...
  28. ncbi request reprint The sensitivity and specificity of three common statistical rules for the classification of post-operative cognitive dysfunction following coronary artery bypass graft surgery
    M S Lewis
    Centre for Anaesthesia and Cognitive Function, Department of Anaesthesia, St Vincent s Hospital, and School of Psychological Science, La Trobe University, Melbourne, Vic, Australia
    Acta Anaesthesiol Scand 50:50-7. 2006
    ..The current study assessed the sensitivity and specificity of three commonly used statistical rules in a sample of coronary artery bypass graft (CABG) patients and healthy non-surgical controls...
  29. ncbi request reprint The effects of age and mood on saccadic function in older individuals
    R Shafiq-Antonacci
    Neurophysiology and Neurovisual Research Unit, Mental Health Research Institute of Victoria, Australia
    J Gerontol B Psychol Sci Soc Sci 54:P361-8. 1999
    ..Saccade velocity or accuracy was unaffected by age. Increasing levels of depression had a minor negative influence on the antisaccade latency, whereas increasing levels of anxiety raised the antisaccade error rate marginally...
  30. ncbi request reprint Decline in verbal memory in non-demented older adults
    J Weaver Cargin
    School of Psychological Science, La Trobe University, Melbourne, Australia
    J Clin Exp Neuropsychol 29:706-18. 2007
    ....
  31. doi request reprint The nature of cognitive complaints in healthy older adults with and without objective memory decline
    J Weaver Cargin
    School of Psychological Science, LaTrobe University, Melbourne, Australia
    J Clin Exp Neuropsychol 30:245-57. 2008
    ..Thus, the evaluation of cognitive complaints must be broad and must consider the correspondence of complaints not only to relevant measurable cognitive abilities but also to the affect of the individual...
  32. pmc Statistical procedures for determining the extent of cognitive change following concussion
    A Collie
    Center for Neuroscience, University of Melbourne, Parkville, Victoria, Australia
    Br J Sports Med 38:273-8. 2004
    ..A case example is used to illustrate the effect that the statistical approach may have on clinical decision making...
  33. ncbi request reprint The gap effect and express saccades in the auditory modality
    R Shafiq
    Mental Health Research Institute of Victoria, Parkville, Australia
    Exp Brain Res 118:221-9. 1998
    ..This suggests that about half the gap effect is due to disengagement of visual fixation. The remainder was not due to non-specific warning effects and could be attributed to offset of the auditory fixation stimulus...
  34. ncbi request reprint Cognitive testing in early-phase clinical trials: development of a rapid computerized test battery and application in a simulated Phase I study
    Alex Collie
    CogState Ltd, Melbourne, Australia
    Contemp Clin Trials 28:391-400. 2007
    ....
  35. ncbi request reprint Reduced volume of parietal and frontal association areas in patients with schizophrenia characterized by passivity delusions
    P Maruff
    Melbourne Neuropsychiatry Centre, Department of Psychiatry, The University of Melbourne and Sunshine Hospital, St Albans, Melbourne, Australia
    Psychol Med 35:783-9. 2005
    ..Neuropsychological and functional neuroimaging data suggest that passivity delusions are associated with dysfunction of the parietal lobe association cortex...
  36. ncbi request reprint Relationship of behavioural and symptomatic syndromes in schizophrenia to spatial working memory and attentional set-shifting ability
    C Pantelis
    Melbourne Neuropsychiatry Centre, The University of Melbourne, Parkville and Sunshine Hospital, St Albans, Victoria, Australia
    Psychol Med 34:693-703. 2004
    ..Few studies have assessed their relationship with neuropsychological deficits. We hypothesized that these syndromes may represent behavioural manifestations of frontal-subcortical impairments, previously described in schizophrenia...
  37. ncbi request reprint Asymmetries between dominant and non-dominant hands in real and imagined motor task performance
    P Maruff
    Swinburne University of Technology, The Neurophysiology and Neurovisual Research Unit, Mental Health Research Institute of Victoria, Melbourne, Australia
    Neuropsychologia 37:379-84. 1999
    ....
  38. ncbi request reprint Manipulating the disengage operation of covert visual spatial attention
    J Danckert
    La Trobe University, Bundoora, Victoria, Australia
    Percept Psychophys 59:500-8. 1997
    ..These results suggest that the prior offset of a covertly attended object does not facilitate the disengagement of attention...
  39. ncbi request reprint Mild memory impairment in healthy older adults is distinct from normal aging
    J Weaver Cargin
    School of Psychology, La Trobe University Melbourne, Australia
    Brain Cogn 60:146-55. 2006
    ..Rather it is possible that such impairment may signal early neurodegenerative processes worthy of further investigation...
  40. ncbi request reprint Abnormalities of motor and praxis imagery in children with DCD
    P H Wilson
    Department of Psychology and Disability Studies, RMIT University, P O Box 2476V, Melbourne, VIC 3001, Australia
    Hum Mov Sci 20:135-59. 2001
    ..Results have implications for the use of (guided) motor imagery training in order to facilitate the development of motor skill in children with DCD...
  41. ncbi request reprint Reduced neuropsychological dysfunction using epiaortic echocardiography and the exclusive Y graft
    A G Royse
    Department of Cardiothoracic Surgery, Royal Melbourne Hospital, Victoria, Australia
    Ann Thorac Surg 69:1431-8. 2000
    ..To examine the effect of screening the aorta for atheroma before aortic manipulation and use of exclusive Y graft revascularization on the incidence of neuropsychological dysfunction after coronary artery bypass...
  42. doi request reprint The effect of acute increase in urge to void on cognitive function in healthy adults
    M S Lewis
    CogState Ltd, Melbourne, Australia
    Neurourol Urodyn 30:183-7. 2011
    ..In healthy adults, voluntary inhibition of micturition is associated with an increasing sensation in the urge to void and pain, and acute pain has been associated with transient deterioration in aspects of cognitive function...
  43. doi request reprint Evaluation of the usability of a brief computerized cognitive screening test in older people for epidemiological studies
    J Fredrickson
    CogState Ltd, Melbourne, Vic, Australia
    Neuroepidemiology 34:65-75. 2010
    ..This study aimed to evaluate the serial usability of the test specifically within an older community cohort...
  44. ncbi request reprint Magnetic resonance spectroscopy and schizophrenia: what have we learnt?
    A L Vance
    Cognitive Neuropsychiatry Unit, Mental Health Research Institute of Victoria, Parkville, Australia
    Aust N Z J Psychiatry 34:14-25. 2000
    ..We review the literature and discuss the theoretical constructs that form the presumed impetus for these studies in light of the current methodological limitations. Future directions are noted...
  45. ncbi request reprint An investigation of visuospatial memory impairment in children with attention deficit hyperactivity disorder (ADHD), combined type
    R Barnett
    CogState Ltd, Australia
    Psychol Med 35:1433-43. 2005
    ..This study investigates visuospatial memory impairment, in particular encoding and retrieval aspects, in children with ADHD-CT who are stimulant-medication naive and medicated with stimulant medication...
  46. ncbi request reprint A prospective observational study of the effect of night duty on the cognitive function of anaesthetic registrars
    J D Griffiths
    Centre for Anaesthesia and Cognitive Function, Department of Anaesthesia, St Vincent s Health, Fitzroy, Victoria, Australia
    Anaesth Intensive Care 34:621-8. 2006
    ..Anaesthetic registrars demonstrate a significant decline in cognitive performance after a series of night shifts...
  47. ncbi request reprint The ability to execute saccades on the basis of efference copy: impairments in double-step saccade performance in children with developmental co-ordination disorder
    S Katschmarsky
    The Neurophysiology and Neurovisual Research Unit, Mental Health Research Institute of Victoria, Parkville, Melbourne, Australia
    Exp Brain Res 136:73-8. 2001
    ..Furthermore, the origin of this deficit in efference copy probably exists at the level of the parietal lobe...
  48. ncbi request reprint Impairments of response conflict monitoring and resolution in schizophrenia
    M Yucel
    Cognitive Neuropsychiatry Research and Academic Unit, Mental Health Research Institute of Victoria, Parkville, Australia
    Psychol Med 32:1251-60. 2002
    ..However, this hypothesis is based on performance on paradigms that require overt or covert shifts of spatial attention...
  49. ncbi request reprint Mild cognitive impairment can be detected by multiple assessments in a single day
    D Darby
    Neuropsychology Laboratory, Mental Health Research Institute of Victoria, Parkville, Australia
    Neurology 59:1042-6. 2002
    ..The operational definition of MCI is currently imprecise and would be improved by objective criteria. Inherent in the transition from MCI to AD is cognitive decline, which can be detected using multiple assessments over several years...
  50. ncbi request reprint Practice effects associated with the repeated assessment of cognitive function using the CogState battery at 10-minute, one week and one month test-retest intervals
    Marina G Falleti
    School of Psychological Science, La Trobe University, Bundoora
    J Clin Exp Neuropsychol 28:1095-112. 2006
    ..No practice effects were observed. The implications of the results are discussed in terms of methods that can be adopted in order to minimize practice effects when this particular cognitive battery is used...
  51. ncbi request reprint [High-resolution eye movement recording in the assessment of neurologic complications in HIV-1 infection]
    J Currie
    Mental Health Research Institute of Victoria, Melbourne
    EEG EMG Z Elektroenzephalogr Elektromyogr Verwandte Geb 20:273-9. 1989
    ..In particular, it may be of use in neurologically at-risk patients requiring antiviral therapy and in monitoring the neurologic responses to such treatment...
  52. ncbi request reprint Imaging beta-amyloid burden in aging and dementia
    C C Rowe
    Department of Nuclear Medicine, Centre for PET, Austin Health, Heidelberg, Victoria, Australia
    Neurology 68:1718-25. 2007
    ..To compare brain beta-amyloid (Abeta) burden measured with [(11)C]Pittsburgh Compound B (PIB) PET in normal aging, Alzheimer disease (AD), and other dementias...
  53. ncbi request reprint The neuropsychology of preclinical Alzheimer's disease and mild cognitive impairment
    A Collie
    Neurophysiology and Neurovisual Research Unit, Mental Health Research Institute of Victoria, Parkville, Australia
    Neurosci Biobehav Rev 24:365-74. 2000
    ..In an attempt to address this issue, present investigations are adopting a convergent approach to the detection of preclinical AD, where multiple risk factors are considered when making a diagnosis...
  54. ncbi request reprint Impact of early percutaneous coronary intervention on short- and long-term outcomes in patients with cardiogenic shock after acute myocardial infarction
    A E Ajani
    Department of Cardiology, Royal Melbourne Hospital, Epworth, Parkville, Victoria, Australia
    Am J Cardiol 87:633-5, A9-10. 2001
    ..Predictors of in-hospital death include the need for intubation, cardiopulmonary resuscitation, and angiographic failure; long-term outcomes at 2 years in hospital survivors are favorable...
  55. ncbi request reprint The nature and severity of cognitive impairment associated with adjuvant chemotherapy in women with breast cancer: a meta-analysis of the current literature
    Marina G Falleti
    School of Psychological Science, LaTrobe University, Level 7, 21 Victoria Street, Melbourne, VIC 3053, Australia
    Brain Cogn 59:60-70. 2005
    ..This study assessed the severity and nature of cognitive impairment associated with adjuvant chemotherapy by conducting a meta-analysis of the published literature to date...
  56. doi request reprint Comparison of voice acquisition methodologies in speech research
    Adam P Vogel
    University of Melbourne, Victoria, Australia
    Behav Res Methods 40:982-7. 2008
    ..g., f 0, noise-to-harmonic ratio, number of pauses) were accurately obtained using all three methods; however, minimum recording standards were required for widely used measures of perturbation...
  57. ncbi request reprint Anterior cingulate activation during Stroop task performance: a PET to MRI coregistration study of individual patients with schizophrenia
    Murat Yucel
    Cognitive Neuropsychiatry Research and Academic Unit, Department of Psychiatry, Howard Florey Institute, University of Melbourne, Victoria, Australia
    Am J Psychiatry 159:251-4. 2002
    ....
  58. ncbi request reprint Qualitative similarities in cognitive impairment associated with 24 h of sustained wakefulness and a blood alcohol concentration of 0.05%
    Marina G Falleti
    School of Psychological Science, La Trobe University, Bundoora Centre for Neuroscience, Carlton South, Victoria, Australia
    J Sleep Res 12:265-74. 2003
    ..These differences and similarities in performance impairment are discussed emphasizing the deleterious cognitive effects of relatively short periods of sustained wakefulness...
  59. ncbi request reprint The effects of practice on the cognitive test performance of neurologically normal individuals assessed at brief test-retest intervals
    Alexander Collie
    Centre for Neuroscience, The University of Melbourne, Parkville, Victoria, Australia
    J Int Neuropsychol Soc 9:419-28. 2003
    ..On the basis of these results, methodological and statistical strategies that may aid in the differentiation of practice effects from drug-induced cognitive changes are proposed...
  60. ncbi request reprint Cognitive processing in children using cochlear implants: the relationship between visual memory, attention, and executive functions and developing language skills
    Vanessa N Surowiecki
    Department of Otolaryngology, Bionic Ear Institute, Melbourne, Victoria, Australia
    Ann Otol Rhinol Laryngol Suppl 189:119-26. 2002
    ..The results suggested that differences in visual memory skills may account for some of the variance seen in the language abilities of children using implants and children using hearing aids...
  61. ncbi request reprint Cognitive testing in early phase clinical trials: outcome according to adverse event profile in a Phase I study
    Alex Collie
    CogState Limited, Melbourne, Australia
    Hum Psychopharmacol 21:481-8. 2006
    ..However, in clinical trials of compounds with potentially negative effects on cognition, the results of cognitive testing may overlap with AE recordings...
  62. ncbi request reprint CogSport: reliability and correlation with conventional cognitive tests used in postconcussion medical evaluations
    Alexander Collie
    Centre for Neuroscience, The University of Melbourne, Parkville, Victoria, Australia
    Clin J Sport Med 13:28-32. 2003
    ..To determine the correlation between CogSport and two conventional neuropsychological tests...
  63. ncbi request reprint The effects of growth hormone (GH) deficiency and GH replacement on cognitive performance in adults: a meta-analysis of the current literature
    Marina G Falleti
    CogState Ltd, Level 7, 21 Victoria Street, Melbourne, VIC 3000, Australia
    Psychoneuroendocrinology 31:681-91. 2006
    ....
  64. pmc Standardization of pitch-range settings in voice acoustic analysis
    Adam P Vogel
    University of Melbourne, Melbourne, Victoria, Australia
    Behav Res Methods 41:318-24. 2009
    ..5 h and produced results comparable to those obtained with hand analysis. However, caution should be exercised when applying the suggested preset values to pathological voice populations...
  65. ncbi request reprint Behavioral characterization of mild cognitive impairment
    Alexander Collie
    Neuropsychology Laboratory, Mental Health Research Institute of Victoria, Parkville, Victoria, Australia
    J Clin Exp Neuropsychol 24:720-33. 2002
    ..These results indicate that individuals with MCI can be differentiated from healthy older people and older people with transient cognitive impairments, but that such differentiation requires serial assessment of cognitive function...
  66. ncbi request reprint Detection of cognitive decline after coronary surgery: a comparison of computerized and conventional tests
    B S Silbert
    Department of Anaesthesia, St Vincent s Hospital, Melbourne, Australia
    Br J Anaesth 92:814-20. 2004
    ..Therefore improvement in neuropsychological testing instruments may increase our understanding of postoperative cognitive decline...
  67. pmc Computerised neuropsychological testing
    A Collie
    CogState Ltd, Melbourne, Victoria, Australia
    Br J Sports Med 37:2-3. 2003
  68. ncbi request reprint The voluntary control of motor imagery. Imagined movements in individuals with feigned motor impairment and conversion disorder
    P Maruff
    School of Psychological Science, LaTrobe University, Victoria, Australia
    Neuropsychologia 38:1251-60. 2000
    ..These results suggest subjects cannot anticipate the effects of an actual limb injury. Furthermore, while they are able to control the general duration of imagined movements they have little voluntary control over their relative timing...
  69. ncbi request reprint The development of sustained attention in children: the effect of age and task load
    Jennifer Betts
    University of Melbourne, Melbourne, Australia
    Child Neuropsychol 12:205-21. 2006
    ..Findings suggest that sustained attention improves to age 10, then plateaus with only minor improvements. Further, performance was generally poorer on high load tasks compared to low load, with the same developmental pattern uncovered...
  70. ncbi request reprint Procedural learning in children with developmental coordination disorder
    Peter H Wilson
    Department of Psychology and Disability Studies, RMIT University, City Campus, P O Box 2476V, VIC 3001, Melbourne, Australia
    Hum Mov Sci 22:515-26. 2003
    ..This suggests that cortico-striatal circuits that are strongly implicated in the sequencing of simple movements appear to be function normally in DCD...
  71. doi request reprint Natural history of concussion in sport: markers of severity and implications for management
    Michael Makdissi
    Centre for Health, Exercise and Sports Medicine, University of Melbourne, Parkville, Victoria, Australia
    Am J Sports Med 38:464-71. 2010
    ..Evidence-based clinical data are required for safe return to play after concussion in sport...
  72. ncbi request reprint Beta-amyloid imaging and memory in non-demented individuals: evidence for preclinical Alzheimer's disease
    Kerryn E Pike
    School of Psychology, Psychiatry and Psychological Medicine, Monash University, Melbourne, Australia
    Brain 130:2837-44. 2007
    ..The data also suggests that early intervention trials for AD targeted to non-demented individuals with cerebral Abeta deposition are warranted...
  73. ncbi request reprint Spatio-visual memory of children with specific language impairment: evidence for generalized processing problems
    Edith L Bavin
    School of Psychological Science, La Trobe University, Victoria, Australia
    Int J Lang Commun Disord 40:319-32. 2005
    ..Children with Specific language Impairment (SLI) have problems with verbal memory, particularly with tasks that have more processing demands. They also have slower speeds of responding for some tasks...
  74. doi request reprint The Australian Imaging, Biomarkers and Lifestyle (AIBL) study of aging: methodology and baseline characteristics of 1112 individuals recruited for a longitudinal study of Alzheimer's disease
    Kathryn A Ellis
    Academic Unit for Psychiatry of Old Age, Department of Psychiatry, The University of Melbourne, St Vincent s Aged Psychiatry Service, St George s Hospital, Victoria, Australia
    Int Psychogeriatr 21:672-87. 2009
    ..This paper describes the recruitment of the cohort and gives information about the study methodology, baseline demography, diagnoses, medical comorbidities, medication use, and cognitive function of the participants...
  75. doi request reprint Early cognitive impairment after sedation for colonoscopy: the effect of adding midazolam and/or fentanyl to propofol
    Usha Padmanabhan
    Department of Anaesthesia and Pain Management, Royal Melbourne Hospital, University of Melbourne, Melbourne, Australia
    Anesth Analg 109:1448-55. 2009
    ..We sought to determine if the use of propofol alone results in less cognitive impairment at discharge than the use of propofol plus midazolam and/or fentanyl in patients presenting for elective outpatient colonoscopy...
  76. doi request reprint Neurocognitive function in attention-deficit-hyperactivity disorder with and without comorbid disruptive behaviour disorders
    Rebecca Barnett
    Academic Child Psychiatry Unit, Royal Children s Hospital, University of Melbourne, Vic, Australia
    Aust N Z J Psychiatry 43:722-30. 2009
    ....
  77. ncbi request reprint Determining the extent of cognitive change after coronary surgery: a review of statistical procedures
    Alexander Collie
    Neuropsychology Laboratory, Mental Health Research Institute of Victoria, Parkville, Australia
    Ann Thorac Surg 73:2005-11. 2002
    ....
  78. doi request reprint The link between motor impairment level and motor imagery ability in children with developmental coordination disorder
    Jacqueline Williams
    Division of Psychology, RMIT University, Melbourne, Australia
    Hum Mov Sci 27:270-85. 2008
    ..Although this study lends support to the theory that a deficit in internal modeling is an underlying problem for children with DCD, still more research is required to develop the theory further...
  79. ncbi request reprint An analysis of systems of classifying mild cognitive impairment in older people
    Alexander Collie
    Neuropsychology Laboratory, Mental Health Research Institute of Victoria, Locked Bag 11, Parkville, Victoria 3052, Australia
    Aust N Z J Psychiatry 36:133-40. 2002
    ....
  80. ncbi request reprint Neurological and cognitive impairment associated with leaded gasoline encephalopathy
    Sheree Cairney
    The Neuropsychology Laboratory, Mental Health Research Institute of Victoria, Parkville, VIC 3052, Australia
    Drug Alcohol Depend 73:183-8. 2004
    ..This syndrome requires emergency and intensive hospital treatment...
  81. doi request reprint A method for cross-cultural adaptation of a verbal memory assessment
    Yen Ying Lim
    RMIT University, Bundoora, Australia
    Behav Res Methods 41:1190-200. 2009
    ..These results support the use of this methodology for minimizing cross-cultural test bias, and have important implications for testing culturally and linguistically diverse individuals...
  82. ncbi request reprint Neurological and cognitive recovery following abstinence from petrol sniffing
    Sheree Cairney
    The Neuropsychology Laboratory, Mental Health Research Institute, Parkville, Vic, Australia
    Neuropsychopharmacology 30:1019-27. 2005
    ..This is the first direct evidence that neurological and cognitive impairment from chronic petrol sniffing ameliorates with abstinence and may recover completely...
  83. ncbi request reprint Attention deficit hyperactivity disorder, combined type: better executive function performance with longer-term psychostimulant medication
    Alasdair L A Vance
    Department of Psychological Medicine, Monash University, Moorabbin, Victoria, Australia
    Aust N Z J Psychiatry 37:570-6. 2003
    ....
  84. pmc Saccade dysfunction associated with chronic petrol sniffing and lead encephalopathy
    S Cairney
    The Neuropsychology Laboratory, Mental Health Research Institute of Victoria, Parkville, Victoria, Australia
    J Neurol Neurosurg Psychiatry 75:472-6. 2004
    ..Neurological abnormalities associated with lead encephalopathy involve the cortex, basal ganglia, cerebellum, and brain stem...
  85. ncbi request reprint Analysis of clinical outcomes following in-hospital adult cardiac arrest
    A C Cohn
    Department of Cardiology, Royal Melbourne Hospital, Melbourne, Victoria, Australia
    Intern Med J 34:398-402. 2004
    ..The aim of the present study was to determine predictors of successful resuscitation and survival to -hospital discharge following in-hospital cardiac arrest and to assess functional outcomes of survivors (cerebral performance scores)...
  86. ncbi request reprint Internal representation of movement in children with developmental coordination disorder: a mental rotation task
    P H Wilson
    Psychology and Disability Studies, School of Health Sciences, RMIT University, Victoria, Australia
    Dev Med Child Neurol 46:754-9. 2004
    ..This occurs because these children manifest a reduced ability to make imagined transformations from an egocentric or first-person perspective...
  87. ncbi request reprint Detection of postoperative cognitive decline after coronary artery bypass graft surgery is affected by the number of neuropsychological tests in the assessment battery
    Matthew S Lewis
    Centre for Anaesthesia and Cognitive Function, Department of Anaesthesia, St Vincent s Hospital, Victoria Parade, Melbourne, Australia
    Ann Thorac Surg 81:2097-104. 2006
    ..The current study tested this by applying a constant rule for cognitive dysfunction using combinations of two to seven cognitive tests...
  88. doi request reprint Differences in motor imagery between children with developmental coordination disorder with and without the combined type of ADHD
    Matthew Lewis
    Department of Paediatrics, University of Melbourne, Royal Children s Hospital, and Murdoch Childrens Research Institute, Melbourne, Australia
    Dev Med Child Neurol 50:608-12. 2008
    ..These findings add to the emerging literature characterizing intended and actual motor impairments associated with DCD alone...
  89. ncbi request reprint Selectively impaired associative learning in older people with cognitive decline
    Alexander Collie
    Neuropsychology Laboratory, Mental Health Research Institute of Victoria, Locked Bag 11, Parkville, Victoria 3052, Australia
    J Cogn Neurosci 14:484-92. 2002
    ..These results suggest that the AL impairments observed in older people with cognitive decline may be due to HF dysfunction...
  90. doi request reprint Quetiapine augmentation in depressed patients with partial response to antidepressants
    James S Olver
    Department of Psychiatry, University of Melbourne, Austin Health, Heidelberg, Victoria, Australia
    Hum Psychopharmacol 23:653-60. 2008
    ..We aim to investigate the efficacy and tolerability of augmentation with quetiapine in depressed patients with a partial response to antidepressants...
  91. doi request reprint Plasma amyloid beta42 and amyloid beta40 levels are associated with early cognitive dysfunction after cardiac surgery
    Lisbeth A Evered
    Centre for Anaesthesia and Cognitive Function, Department of Anaesthesia, St Vincent s Hospital, University of Melbourne, Melbourne, Victoria, Australia
    Ann Thorac Surg 88:1426-32. 2009
    ..We measured cognition both before and after coronary artery bypass graft surgery and assayed Abeta levels to investigate whether the cognitive dysfunction of cardiac surgery was associated with Abeta levels...
  92. ncbi request reprint Saccade and cognitive function in chronic kava users
    Sheree Cairney
    Mental Health Research Institute of Victoria, Parkville, Victoria, Australia
    Neuropsychopharmacology 28:389-96. 2003
    ..While there has recently been increasing concern about potentially fatal liver damage attributed to kava use, we have found no evidence of brain dysfunction in heavy and long-term kava users...
  93. ncbi request reprint Paracingulate morphologic differences in males with established schizophrenia: a magnetic resonance imaging morphometric study
    Murat Yucel
    Cognitive Neuropsychiatry Research and Academic Unit, Department of Psychiatry, The University of Melbourne, Sunshine Hospital, Melbourne, Victoria, Australia
    Biol Psychiatry 52:15-23. 2002
    ..Given the evidence showing an absence or reversal of normal anatomical asymmetries in patients with schizophrenia, the current study examined the anterior cingulate cortex sulcal-gyral patterns in patients with schizophrenia...
  94. ncbi request reprint Cortical activation associated with the experience of auditory hallucinations and perception of human speech in schizophrenia: a PET correlation study
    David L Copolov
    Mental Health Research Institute of Victoria, Private Bag 11, Parkville, VIC 3052, Australia
    Psychiatry Res 122:139-52. 2003
    ..The observed pattern of activation is consistent with models of auditory hallucinations as mis-remembered episodic memories of speech...
  95. ncbi request reprint Statistical and conceptual issues in defining post-operative cognitive dysfunction
    Matthew Lewis
    Centre for Anaesthesia and Cognitive Function, Department of Anaesthesia, St Vincent s Hospital, Victoria Parade, Melbourne, VIC 3065, Australia
    Neurosci Biobehav Rev 28:433-40. 2004
    ..The current paper outlines these core difficulties and provides some potential methods to overcome these...
  96. ncbi request reprint Attention deficit hyperactivity disorder, combined type (ADHD-CT): differences in blood pressure (BP) due to posture and the child report of anxiety
    A L A Vance
    Alfred Hospital Child and Adolescent, Psychiatry Service, Melbourne, Victoria, Australia
    Eur Child Adolesc Psychiatry 11:24-30. 2002
    ....
  97. ncbi request reprint Development of a statistical approach to classifying treatment response in individual children with ADHD
    Catherine M Mollica
    School of Psychological Science, LaTrobe University, Bundoora, Victoria, Australia
    Hum Psychopharmacol 19:445-56. 2004
    ..This study demonstrates an evidence-based approach to evaluating concurrent cognitive and behavioural improvement in individual children with ADHD following treatment with stimulant medication...
  98. ncbi request reprint A comparison of the effect of high- and low-dose fentanyl on the incidence of postoperative cognitive dysfunction after coronary artery bypass surgery in the elderly
    Brendan S Silbert
    Department of Anaesthesia, St Vincent s Hospital, Melbourne, Australia
    Anesthesiology 104:1137-45. 2006
    ..The current use of both high- and low-dose fentanyl as anesthetic techniques allowed us to investigate the effect of fentanyl on the incidence of POCD...
  99. ncbi request reprint Motor imagery training ameliorates motor clumsiness in children
    Peter H Wilson
    Department of Psychology and Disability Studies, RMIT University, Melbourne, Victoria, Australia
    J Child Neurol 17:491-8. 2002
    ..These results support the efference-copy-deficit hypothesis in explaining the cause of motor clumsiness in most children. Directions for future intervention studies and remediation in the field of developmental clumsiness are discussed...
  100. ncbi request reprint Evaluating brain activity in obsessive-compulsive disorder: preliminary insights from a multivariate analysis
    Ben 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...
  101. ncbi request reprint A manual and automated MRI study of anterior cingulate and orbito-frontal cortices, and caudate nucleus in obsessive-compulsive disorder: comparison with healthy controls and patients with schizophrenia
    Jem Riffkin
    Melbourne Neuropsychiatry Centre, University of Melbourne and Sunshine Hospital, Melbourne, Victoria, Australia
    Psychiatry Res 138:99-113. 2005
    ..The findings suggest that in contrast to findings in SCZ, there are very few (if any) gross structural anomalies in OCD...