Research Topics
| R J CroftSummaryAffiliation: Swinburne University of Technology Country: Australia Publications
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Detail Information
Publications
The effect of mobile phone electromagnetic fields on the alpha rhythm of human electroencephalogramR J Croft
Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Bioelectromagnetics 29:1-10. 2008..Employing a strong methodology, the current findings support previous research that has reported an effect of MP exposure on EEG alpha power...- Can the Q Link Ally, a form of Sympathetic Resonance Technology (SRT), attenuate acute mobile phone-related changes to neural function?Rodney J Croft
Brain and Behaviour Research Institute, University of Wollongong, Wollongong, Australia
J Altern Complement Med 8:427-35. 2002..The present pilot study was designed to determine whether there is any indication that QL does alter MP-related effects on the human EEG... - Acute mobile phone operation affects neural function in humansRodney J Croft
Brain and Behaviour Research Institute, University of Wollongong, Northfields Ave, Australia
Clin Neurophysiol 113:1623-32. 2002..The present study suggests that this conflict may be due to methodological differences such as exposure durations, and tests whether exposure to an active MP affects EEG as a function of time... - Mobile phones and brain tumours: a review of epidemiological researchR J Croft
Australian Centre for Radiofrequency Bioeffects Research, Melbourne, Australia
Australas Phys Eng Sci Med 31:255-67. 2008..The reported associations are in need of replication with methods designed to minimise such bias before they can be treated as more than suggestive... - Target-to-target interval versus probability effects on P300 in one- and two-tone tasksR J Croft
Neuropsychopharmacology, Swinburne University of Technology, Melbourne, Australia
Psychophysiology 40:322-8. 2003..This suggests that ISI and probability per se do not independently affect P3 amplitude, and that TTI offers a strong explanation of the reported relations between P3 amplitude and both ISI and probability... - The sensitivity of human event-related potentials and reaction time to mobile phone emitted electromagnetic fieldsD L Hamblin
Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Bioelectromagnetics 27:265-73. 2006..As previous positive findings were not replicated, it was concluded that there is currently no evidence that acute MP exposure affects these indices of brain activity... 
Effects of 2G and 3G mobile phones on performance and electrophysiology in adolescents, young adults and older adultsS Leung
Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Clin Neurophysiol 122:2203-16. 2011..This study examined sensory and cognitive processing in adolescents, young adults and older adults, when exposed to 2nd (2G) and 3rd (3G) generation mobile phone signals...- Effects of 2G and 3G mobile phones on human alpha rhythms: Resting EEG in adolescents, young adults, and the elderlyR J Croft
Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Bioelectromagnetics 31:434-44. 2010..The results provide further support for an effect of 2G exposures on resting alpha activity in young adults, but fail to support a similar enhancement in adolescents or the elderly, or in any age group as a function of 3G exposure... - Comparison of the effects of continuous and pulsed mobile phone like RF exposure on the human EEGN Perentos
School of Electrical and Computer Engineering, RMIT University, Melbourne, Australia
Australas Phys Eng Sci Med 30:274-80. 2007..Again, no effect was demonstrated for either modulated or unmodulated radiofrequency exposures... - The use of a 'phantom scalp' to assess the possible direct pickup of mobile phone handset emissions by electroencephalogram electrode leadsA W Wood
School of Biophysical Sciences and Electrical Engineering, Swinburne University of Technology, Melbourne, Australia
Med Biol Eng Comput 41:470-2. 2003..5-30 Hz. An anomalous difference was noted for one electrode in the range 30-45 Hz... - Individualized alpha activity and frontal asymmetry in major depressionR A Segrave
Monash Alfred Psychiatry Research Centre, The Alfred and Monash University School of Psychology, Psychiatry and Psychological Medicine, Melbourne, Victoria, Australia
Clin EEG Neurosci 42:45-52. 2011..The relevance of this finding is discussed in relation to the electrophysiological correlates of antidepressant medication use, lateralized differences in affective processing and treatment resistant MDD... - Augmenting serotonin neurotransmission with citalopram modulates emotional expression decoding but not structural encoding of moderate intensity sad facial emotional stimuli: an event-related potential (ERP) investigationI Labuschagne
School of Psychology, Psychiatry and Psychological Medicine, Monash University, Melbourne, Australia
J Psychopharmacol 24:1153-64. 2010..The enhanced cortical response to perception of moderately intense sad facial expressions following citalopram administration may relate to the cognitive processing of the social relevance or significance of such ambiguous stimuli... - Dosimetric evaluation and comparison of different RF exposure apparatuses used in human volunteer studiesS P Loughran
Australian Centre for Radiofrequency Bioeffects Research (ACRBR, Melbourne, Australia
Bioelectromagnetics 29:242-3. 2008 - The effects of dexamphetamine on simulated driving performanceB Y Silber
Drugs and Driving Research Unit, Centre for Neuropsychology, Swinburne University of Technology, P.O. Box 218, Hawthorn, Vic, 3122, Australia
Psychopharmacology (Berl) 179:536-43. 2005..CONCLUSIONS: The decrease in simulated driving ability observed during the day-time driving tasks are consistent with the perceptual narrowing or tunnel vision that is associated with dexamphetamine consumption... - Effects of rTMS on an auditory oddball task: a pilot study of cortical plasticity and the EEGN R Cooper
Alfred Psychiatry Research Centre, Department of Psychological Medicine, Monash University, Melbourne, Australia
Clin EEG Neurosci 39:139-43. 2008..No changes were found to oddball-P300 amplitudes or latencies. In conclusion, the findings of less alpha desynchronization post-TMS are compatible with notions of slow rTMS causing a decrease in cortical excitation... - Dopamine receptor stimulation does not modulate the loudness dependence of the auditory evoked potential in humansRodney J Croft
Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Psychopharmacology (Berl) 188:92-9. 2006..Although the findings suggest that the LDAEP may not be modulated by acute changes in dopamine neurotransmission, further studies are needed to fully characterize its dopaminergic sensitivity... - Acute dopamine D(1) and D(2) receptor stimulation does not modulate mismatch negativity (MMN) in healthy human subjectsSumie Leung
Biological Psychiatry Research Unit, Brain Sciences Institute, Faculty of Life and Social Sciences, Swinburne University of Technology, Melbourne, Australia
Psychopharmacology (Berl) 194:443-51. 2007.... - EEG electrode caps can reduce SAR induced in the head by GSM900 mobile phonesDenise L Hamblin
Brain Sciences Institute, Swinburne University of Technology, 400 Burwood Rd, Hawthorn, Vic 3122, Australia
IEEE Trans Biomed Eng 54:914-20. 2007.... - Acute serotonin and dopamine depletion improves attentional control: findings from the stroop taskKirsty E Scholes
Behavioural Neuroscience Laboratory, Department of Physiology, Monash Centre for Brain and Behavior, Monash University, Melbourne, Vic, Australia
Neuropsychopharmacology 32:1600-10. 2007..These findings enhance our understanding of the neurochemical basis of attentional control and the possible cause of attentional control deficits in schizophrenia... - Executive functions in obsessive-compulsive disorder: state or trait deficits?Shelley Bannon
Brain and Behaviour Research Institute, School of Psychology, University of Wollongong, New South Wales, and Department of Psychological Medicine, Westmead Hospital, Sydney, Australia
Aust N Z J Psychiatry 40:1031-8. 2006..The current research examines the executive functions in OCD in a comprehensive manner and, for the first time, assesses the stability of these deficits over the developmental course of the disorder... - Pindolol does not augment central serotonin function increases to citalopram in humans: an auditory evoked potential investigationRebecca Segrave
Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Pharmacol Biochem Behav 85:82-90. 2006..The findings may provide further support for why pindolol may not be an effective therapeutic strategy to augment serotonin function and antidepressant response... - Differential effects of acute serotonin and dopamine depletion on prepulse inhibition and p50 suppression measures of sensorimotor and sensory gating in humansCollette Mann
Behavioural Neuroscience Laboratory, School of Psychology, Psychiatry and Psychological Medicine, Monash University, Melbourne, Vic, Australia
Neuropsychopharmacology 33:1653-66. 2008.... - High-dose glycine inhibits the loudness dependence of the auditory evoked potential (LDAEP) in healthy humansBarry V O'Neill
Biological Psychiatry Research Unit, Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Psychopharmacology (Berl) 195:85-93. 2007..Despite considerable research, very little is known about the LDAEP's sensitivity to other neurotransmitter systems... - Brain dynamics in the active vs. passive auditory oddball task: exploration of narrow-band EEG phase effectsRobert J Barry
Brain and Behaviour Research Institute and School of Psychology, Department of Psychology, University of Wollongong, Northfields Avenue, Wollongong, NSW 2522, Australia
Clin Neurophysiol 118:2234-47. 2007..passive auditory oddball tasks, using a novel conceptualisation of orthogonal phase effects... - Acute high-dose glycine attenuates mismatch negativity (MMN) in healthy human controlsSumie Leung
Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Psychopharmacology (Berl) 196:451-60. 2008..However, no study has investigated the possible effects of high-dose glycine on MMN. Further, the physiological consequences of administering high-dose glycine in subjects with normal NMDA receptor function are unknown... - The cognitive effects of modulating the glycine site of the NMDA receptor with high-dose glycine in healthy controlsColin Palmer
Behavioural Neuroscience Laboratory, School of Psychology, Psychiatry and Psychological Medicine, Monash University, Victoria, Australia
Hum Psychopharmacol 23:151-9. 2008.... - An examination of acute changes in serotonergic neurotransmission using the loudness dependence measure of auditory cortex evoked activity: effects of citalopram, escitalopram and sertralineValérie Guille
Biological Psychiatry Research Unit, Brain Sciences Institute, Swinburne University of Technology, Melbourne, Vic, Australia
Hum Psychopharmacol 23:231-41. 2008..The aim of this study was to assess the sensitivity of the LDAEP to acute augmentation in central serotonergic neurotransmission in humans... - Effects of selective and combined serotonin and dopamine depletion on the loudness dependence of the auditory evoked potential (LDAEP) in humansBarry V O'Neill
Biological Psychiatry Research Unit, Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Hum Psychopharmacol 23:301-12. 2008..Accordingly we further examined the effects of selective serotonin, dopamine and simultaneous serotonin and dopamine depletion on the LDAEP in healthy subjects... - The loudness dependence of the auditory evoked potential (LDAEP) as an in vivo biomarker of central serotonergic function in humans: rationale, evaluation and review of findingsBarry V O'Neill
Biological Psychiatry Research Unit, Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Hum Psychopharmacol 23:355-70. 2008..Subsequently, this review was undertaken in an attempt to critically evaluate the potential role of the LDAEP as a marker of the central 5-HT function... - Dynamics of narrow-band EEG phase effects in the passive auditory oddball taskRobert J Barry
Brain and Behaviour Research Institute and School of Psychology, University of Wollongong, Wollongong 2522, Australia
Eur J Neurosci 24:291-304. 2006.... - Issues relating to the subtraction phase in EOG artefact correction of the EEGRodney J Croft
Department of Cognitive Neuroscience and Behaviour, Imperial College Medical School, St Dunstans Road, W68RF, London, UK
Int J Psychophysiol 44:187-95. 2002..It is argued that such EOG correction error is small relative to both artefact rejection procedures and to normal variability found in ERP studies, and that it is less pernicious than artefact rejection procedures... - EOG correction: a comparison of four methodsRodney J Croft
Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
Psychophysiology 42:16-24. 2005..72), VEMs (eta2>.60), and HEMs (eta2>.27). It is argued that the CB procedure adequately accounts for ocular artifact in the EEG. Reasons for the limitations of the other procedures are discussed... - Event-related potentials in the auditory oddball as a function of EEG alpha phase at stimulus onsetRobert J Barry
Brain and Behaviour Research Institute and Department of Psychology, University of Wollongong, Northfields Avenue, Wollongong, NSW 2522, Australia
Clin Neurophysiol 115:2593-601. 2004.... - Suppression of P50 evoked potential component, schizotypal beliefs and smokingRodney J Croft
Brain Sciences Institute, Swinburne University of Technology, Hawthorn 3122, Melbourne, Australia
Psychiatry Res 128:53-62. 2004..Covarying for age and NEO-V scale scores had little effect on these relations. The findings provide evidence of important confounds that would limit our ability to detect P50 suppression/symptom relations in schizophrenia... - Mismatch negativity in schizophrenia: a family studyElvira Bramon
Institute of Psychiatry, PO Box 63, De Crespigny Park, Denmark Hill, London SE5 8AF, UK
Schizophr Res 67:1-10. 2004..We investigated whether MMN is a potential marker of genetic vulnerability to schizophrenia by comparing MMN in a group of patients with schizophrenia, their unaffected relatives, and controls... - Examining the effects of electromagnetic fields emitted by GSM mobile phones on human event-related potentials and performance during an auditory taskDenise L Hamblin
Swinburne University of Technology, School of Biophysical Sciences and Electrical Engineering, PO Box 218, Hawthorn, Melbourne, Vic, Australia
Clin Neurophysiol 115:171-8. 2004..No difference in accuracy was found. CONCLUSIONS: The results suggest that MP exposure may affect neural activity, particularly in proximity to the phone, however caution should be applied due to the small sample size... - Effects of stimulant medications on children with attention-deficit/hyperactivity disorder and excessive beta activity in their EEGAdam R Clarke
Brain and Behaviour Research Institute, University of Wollongong, Wollongong 2522, Australia
Clin Neurophysiol 114:1729-37. 2003..This study investigated the effects of stimulant medications on the Electroencephalography (EEG) of children with the combined type of attention-deficit/hyperactivity disorder (ADHD) together with excessive beta activity in their EEG... - Differential relations between heart rate and skin conductance, and public speaking anxietyRodney J Croft
Brain and Behaviour Research Institute, University of Wollongong, Northfields Avenue, Wollongong 2522, Australia
J Behav Ther Exp Psychiatry 35:259-71. 2004..Results suggest that in a non-clinical population, the interaction of ANS activity and belief structure is an important determinant of PSA, and may account for variable findings in the literature... - Pain perception, hypnosis and 40 Hz oscillationsRodney J Croft
Department of Cognitive Neuroscience and Behaviour, Imperial College London, Medical Faculty, St Dunstan's Road, W68 RF, London, UK
Int J Psychophysiol 46:101-8. 2002..This study provides evidence for the role of gamma oscillations in the subjective experience of pain. Further, it is in keeping with the view that hypnosis involves the dissociation of prefrontal cortex from other neural functions... - Muscarinic and nicotinic receptor modulation of object and spatial n-back working memory in humansAmity Green
Behavioural Neuroscience Laboratory, Department of Physiology, Monash Centre for Brain and Behaviour, PO Box 13F, Monash University, Melbourne, VIC 3800, Australia
Pharmacol Biochem Behav 81:575-84. 2005.... - Investigating evoked and induced electroencephalogram activity in task-related alpha power increases during an internally directed attention taskNicholas R Cooper
Division of Neuroscience and Psychological Medicine, Faculty of Medicine, Imperial College London, UK
Neuroreport 17:205-8. 2006..No experimental effects were observed for evoked activity. These results are not entirely consistent with proposals that 'paradoxical' alpha indexes the evoked inhibition of task irrelevant processing... - An evaluation of the sensitivity of the standardised field sobriety tests to detect the presence of amphetamineBeata Y Silber
Drugs and Driving Research Unit, Centre for Neuropsychology, Swinburne University of Technology, P O Box 218, Hawthorn, Victoria, 3122, Australia
Psychopharmacology (Berl) 182:153-9. 2005.... - Direct evidence that acutely enhancing serotonin with the selective serotonin reuptake inhibitor citalopram modulates the loudness dependence of the auditory evoked potential (LDAEP) marker of central serotonin functionPradeep J Nathan
Behavioural Neuroscience Laboratory, Department of Physiology, Monash Centre for Brain and Behaviour, Monash University, Melbourne, Australia
Hum Psychopharmacol 21:47-52. 2006..Together the results provide further support for the validity of the LDAEP as a non-invasive in vivo measure of central serotonin function in humans... - Estrogen prevents 5-HT1A receptor-induced disruptions of prepulse inhibition in healthy womenAndrea Gogos
Behavioural Neuroscience Laboratory, Mental Health Research Institute of Victoria, Parkville, Vic, Australia
Neuropsychopharmacology 31:885-9. 2006..Estrogen treatment, administered in the appropriate experimental conditions, prevented PPI deficits induced by 5-HT(1A) receptor activation and may therefore also play a protective role in sensorimotor gating deficits in schizophrenia... - The acute effects of d-amphetamine and methamphetamine on attention and psychomotor performanceBeata Y Silber
Drugs and Driving Research Unit, Brain Sciences Institute, Swinburne University of Technology, 400 Burwood Rd, Hawthorn, Victoria 3122, Australia
Psychopharmacology (Berl) 187:154-69. 2006..It is not clear how the deleterious effects of amphetamines on driving performance are mediated in terms of select cognitive processes... - The effect of electromagnetic fields emitted by mobile phones on human sleepSarah P Loughran
Brain Sciences Institute, Swinburne University of Technology, Hawthorn, Victoria, Australia
Neuroreport 16:1973-6. 2005..These results are evidence that mobile phone exposure prior to sleep may promote rapid eye movement sleep and modify the sleep electroencephalogram in the first non-rapid eye movement sleep period... - Paradox lost? Exploring the role of alpha oscillations during externally vs. internally directed attention and the implications for idling and inhibition hypothesesNicholas R Cooper
Faculty of Medicine, Department of Cognitive Neuroscience and Behaviour, Imperial College of Science, Technology and Medicine, Charing Cross Hospital, St Dunstans Road, London W6 8RP, UK
Int J Psychophysiol 47:65-74. 2003.... - EEG differences between good and poor responders to methylphenidate in boys with the inattentive type of attention-deficit/hyperactivity disorderAdam R Clarke
Brain and Behaviour Research Institute and Department of Psychology, University of Wollongong, 2522, Wollongong, Australia
Clin Neurophysiol 113:1191-8. 2002..This study investigated electroencephalographic (EEG) differences between good and poor responders to methylphenidate in boys with the Inattentive type of Attention-Deficit/Hyperactivity Disorder (ADHD)... - Response inhibition deficits in obsessive-compulsive disorderShelley Bannon
Department of Psychology, University of Wollongong, Australia
Psychiatry Res 110:165-74. 2002..It was demonstrated that OCD subjects exhibit deficits in behavioural and cognitive inhibition, which together may underlie the repetitive symptomatic behaviours of the disorder, such as compulsions and obsessions... - One-channel EOG artifact correction: an analytic approachLars Matthäus
Institute for Robotics and Cognitive Systems, University of Lubeck, Lubeck, Germany
Psychophysiology 45:569-78. 2008..Experimental results from 13 subjects are shown, supporting the theoretical prediction of optimal correction... - Effects of stimulant medications on the EEG of children with Attention-Deficit/Hyperactivity Disorder Predominantly Inattentive typeAdam R Clarke
Brain and Behaviour Research Institute and Department of Psychology, University of Wollongong, Australia
Int J Psychophysiol 47:129-37. 2003..These results suggest that stimulants act to increase cortical arousal in children with ADHD, normalising their EEG... - Is the P300 wave an endophenotype for schizophrenia? A meta-analysis and a family studyElvira Bramon
Institute of Psychiatry, P O Box 63, De Crespigny Park, London SE5 8AF, UK
Neuroimage 27:960-8. 2005..We assessed the usefulness of the P300 wave as endophenotype for schizophrenia by means of a meta-analysis of the literature as well as our own family study... - EEG activity in girls with attention-deficit/hyperactivity disorderAdam R Clarke
Brain and Behaviour Research Institute and Department of Psychology, University of Wollongong, NSW, Australia
Clin Neurophysiol 114:319-28. 2003..This study investigated the EEG of girls with Attention-deficit/hyperactivity disorder (ADHD)... - Coherence in children with Attention-Deficit/Hyperactivity Disorder and excess beta activity in their EEGAdam R Clarke
Brain and Behaviour Research Institute and School of Psychology, University of Wollongong, Wollongong, Australia
Clin Neurophysiol 118:1472-9. 2007.... - Is the loudness dependence of the auditory evoked potential a sensitive and selective in vivo marker of central serotonergic function?Pradeep J Nathan
Neuropsychopharmacology 30:1584-5; author reply 1586-7. 2005 - Effects of methylphenidate on EEG coherence in attention-deficit/hyperactivity disorderAdam R Clarke
Brain and Behaviour Research Institute and Department of Psychology, University of Wollongong, Wollongong 2522, Australia
Int J Psychophysiol 58:4-11. 2005..These results suggest the existence of structural as well as functional brain dysfunction in AD/HD... - Quantitative EEG in low-IQ children with attention-deficit/hyperactivity disorderAdam R Clarke
School of Psychology, Brain and Behaviour Research Institute, University of Wollongong, Northfields Avenue, Wollongong 2522, NSW, Australia
Clin Neurophysiol 117:1708-14. 2006..This study investigated EEG differences between children with attention-deficit/hyperactivity disorder (AD/HD) and matched control subjects, with either normal or low IQs...