Pradeep J Nathan

Summary

Affiliation: Monash University
Country: Australia

Publications

  1. ncbi The neuropharmacology of L-theanine(N-ethyl-L-glutamine): a possible neuroprotective and cognitive enhancing agent
    Pradeep J Nathan
    Behavioural Neuroscience Laboratory, Department of Physiology, Monash Center for Brain and Behaviour, Monash University, Australia
    J Herb Pharmacother 6:21-30. 2006
  2. doi Evidence for modulation of facial emotional processing bias during emotional expression decoding by serotonergic and noradrenergic antidepressants: an event-related potential (ERP) study
    Rebecca Kerestes
    Behavioural Neuroscience Laboratory, School of Psychology, Psychiatry and Psychological Medicine, Monash University, Melbourne, Australia
    Psychopharmacology (Berl) 202:621-34. 2009
  3. ncbi Differential effects of acute serotonin and dopamine depletion on prepulse inhibition and p50 suppression measures of sensorimotor and sensory gating in humans
    Collette Mann
    Behavioural Neuroscience Laboratory, School of Psychology, Psychiatry and Psychological Medicine, Monash University, Melbourne, Vic, Australia
    Neuropsychopharmacology 33:1653-66. 2008
  4. doi Evidence for sex differences in the loudness dependence of the auditory evoked potential in humans
    Jessica L Oliva
    School of Psychology and Psychiatry, Monash University, Melbourne, Vic, Australia
    Hum Psychopharmacol 26:172-6. 2011
  5. ncbi The cognitive effects of modulating the glycine site of the NMDA receptor with high-dose glycine in healthy controls
    Colin Palmer
    Behavioural Neuroscience Laboratory, School of Psychology, Psychiatry and Psychological Medicine, Monash University, Victoria, Australia
    Hum Psychopharmacol 23:151-9. 2008
  6. doi The loudness dependence auditory evoked potential is insensitive to acute changes in serotonergic and noradrenergic neurotransmission
    Jessica Oliva
    School of Psychology and Psychiatry, Monash University, Melbourne, Vic, Australia
    Hum Psychopharmacol 25:423-7. 2010
  7. ncbi 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 function
    Pradeep J Nathan
    Behavioural Neuroscience Laboratory, Department of Physiology, Monash Centre for Brain and Behaviour, Monash University, Melbourne, Australia
    Hum Psychopharmacol 21:47-52. 2006
  8. pmc Oxytocin attenuates amygdala reactivity to fear in generalized social anxiety disorder
    Izelle Labuschagne
    School of Psychology and Psychiatry, Monash University, Melbourne, Australia
    Neuropsychopharmacology 35:2403-13. 2010
  9. doi Functional dysconnectivity of corticostriatal circuitry as a risk phenotype for psychosis
    Alex Fornito
    Monash Clinical and Imaging Neuroscience Laboratory, School of Psychology and Psychiatry, Monash University, Clayton, Victoria, Australia2Centre for Neural Engineering, University of Melbourne, Parkville, Victoria, Australia3NICTA Victorian Research Laboratory, University of Melbourne, Parkville, Victoria, Australia4Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne and Melbourne Health, Parkville, Victoria, Australia
    JAMA Psychiatry 70:1143-51. 2013
  10. doi Dopamine transporter genotype predicts attentional asymmetry in healthy adults
    Daniel P Newman
    Monash University, School of Psychology and Psychiatry, Victoria, Australia
    Neuropsychologia 50:2823-9. 2012

Collaborators

Detail Information

Publications35

  1. ncbi The neuropharmacology of L-theanine(N-ethyl-L-glutamine): a possible neuroprotective and cognitive enhancing agent
    Pradeep J Nathan
    Behavioural Neuroscience Laboratory, Department of Physiology, Monash Center for Brain and Behaviour, Monash University, Australia
    J Herb Pharmacother 6:21-30. 2006
    ..Overall, L-theanine displays a neuropharmacology suggestive of a possible neuroprotective and cognitive enhancing agent and warrants further investigation in animals and humans...
  2. doi Evidence for modulation of facial emotional processing bias during emotional expression decoding by serotonergic and noradrenergic antidepressants: an event-related potential (ERP) study
    Rebecca Kerestes
    Behavioural Neuroscience Laboratory, School of Psychology, Psychiatry and Psychological Medicine, Monash University, Melbourne, Australia
    Psychopharmacology (Berl) 202:621-34. 2009
    ....
  3. ncbi Differential effects of acute serotonin and dopamine depletion on prepulse inhibition and p50 suppression measures of sensorimotor and sensory gating in humans
    Collette Mann
    Behavioural Neuroscience Laboratory, School of Psychology, Psychiatry and Psychological Medicine, Monash University, Melbourne, Vic, Australia
    Neuropsychopharmacology 33:1653-66. 2008
    ....
  4. doi Evidence for sex differences in the loudness dependence of the auditory evoked potential in humans
    Jessica L Oliva
    School of Psychology and Psychiatry, Monash University, Melbourne, Vic, Australia
    Hum Psychopharmacol 26:172-6. 2011
    ..Given the reported sex dichotomy in serotonin neurotransmission, this study examined if there are sex differences in the LDAEP...
  5. ncbi The cognitive effects of modulating the glycine site of the NMDA receptor with high-dose glycine in healthy controls
    Colin Palmer
    Behavioural Neuroscience Laboratory, School of Psychology, Psychiatry and Psychological Medicine, Monash University, Victoria, Australia
    Hum Psychopharmacol 23:151-9. 2008
    ....
  6. doi The loudness dependence auditory evoked potential is insensitive to acute changes in serotonergic and noradrenergic neurotransmission
    Jessica Oliva
    School of Psychology and Psychiatry, Monash University, Melbourne, Vic, Australia
    Hum Psychopharmacol 25:423-7. 2010
    ..The current study examined the effects of noradrenergic modulation as well as serotonergic modulation on the LDAEP...
  7. ncbi 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 function
    Pradeep 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...
  8. pmc Oxytocin attenuates amygdala reactivity to fear in generalized social anxiety disorder
    Izelle Labuschagne
    School of Psychology and Psychiatry, Monash University, Melbourne, Australia
    Neuropsychopharmacology 35:2403-13. 2010
    ....
  9. doi Functional dysconnectivity of corticostriatal circuitry as a risk phenotype for psychosis
    Alex Fornito
    Monash Clinical and Imaging Neuroscience Laboratory, School of Psychology and Psychiatry, Monash University, Clayton, Victoria, Australia2Centre for Neural Engineering, University of Melbourne, Parkville, Victoria, Australia3NICTA Victorian Research Laboratory, University of Melbourne, Parkville, Victoria, Australia4Melbourne Neuropsychiatry Centre, Department of Psychiatry, University of Melbourne and Melbourne Health, Parkville, Victoria, Australia
    JAMA Psychiatry 70:1143-51. 2013
    ....
  10. doi Dopamine transporter genotype predicts attentional asymmetry in healthy adults
    Daniel P Newman
    Monash University, School of Psychology and Psychiatry, Victoria, Australia
    Neuropsychologia 50:2823-9. 2012
    ..These data add to a growing body of evidence showing that spatial attentional asymmetry is a stable quantitative trait, with individual differences in this trait significantly predicted by common DNA variation in the DAT1 gene...
  11. ncbi Acute serotonin and dopamine depletion improves attentional control: findings from the stroop task
    Kirsty 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...
  12. ncbi Molecular imaging of the dopaminergic system and its association with human cognitive function
    Vanessa L Cropley
    Department of Physiology, Behavioural Neuroscience Laboratory, Monash Centre for Brain and Behaviour, Monash University, Victoria, Australia
    Biol Psychiatry 59:898-907. 2006
    ....
  13. ncbi Estrogen prevents 5-HT1A receptor-induced disruptions of prepulse inhibition in healthy women
    Andrea 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...
  14. ncbi Muscarinic and nicotinic receptor modulation of object and spatial n-back working memory in humans
    Amity 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
    ....
  15. ncbi Muscarinic and nicotinic receptors synergistically modulate working memory and attention in humans
    Julia R Ellis
    Behavioural Neuroscience Laboratory, Department of Physiology, Monash Centre for Brain and Behaviour, Monash University, Melbourne Australia
    Int J Neuropsychopharmacol 9:175-89. 2006
    ....
  16. doi An examination of acute changes in serotonergic neurotransmission using the loudness dependence measure of auditory cortex evoked activity: effects of citalopram, escitalopram and sertraline
    Valérie 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...
  17. doi Effects of selective and combined serotonin and dopamine depletion on the loudness dependence of the auditory evoked potential (LDAEP) in humans
    Barry 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...
  18. doi Small effect of dopamine release and no effect of dopamine depletion on [18F]fallypride binding in healthy humans
    Vanessa L Cropley
    Molecular Imaging Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, Maryland 20892 0135, USA
    Synapse 62:399-408. 2008
    ..These findings indicate that [18F]fallypride is useful for measuring amphetamine-induced dopamine release, but may be unreliable for estimating tonic dopamine levels, in striatum and extrastriatal regions of healthy humans...
  19. doi 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 findings
    Barry 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...
  20. doi Pre- and post-synaptic dopamine imaging and its relation with frontostriatal cognitive function in Parkinson disease: PET studies with [11C]NNC 112 and [18F]FDOPA
    Vanessa L Cropley
    Molecular Imaging Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD 20892 0135, USA
    Psychiatry Res 163:171-82. 2008
    ..These results suggest that striatal dopamine denervation may contribute to some frontostriatal cognitive impairment in moderate stage PD...
  21. ncbi Tyrosine depletion alters cortical and limbic blood flow but does not modulate spatial working memory performance or task-related blood flow in humans
    Kathryn A Ellis
    Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
    Hum Brain Mapp 28:1136-49. 2007
    ..These findings question the capacity of TPD to consistently modulate dopamine function and SWM neural networks in humans...
  22. ncbi Sex differences in the effect of acute tryptophan depletion on declarative episodic memory: a pooled analysis of nine studies
    Anke Sambeth
    Department of Neurocognition, Faculty of Psychology, Maastricht University, P O Box 616, 6200 MD Maastricht, The Netherlands
    Neurosci Biobehav Rev 31:516-29. 2007
    ..The findings provide further support for a critical role of serotonin in declarative episodic memory...
  23. ncbi The acute nootropic effects of Ginkgo biloba in healthy older human subjects: a preliminary investigation
    Pradeep J Nathan
    Neuropharmacology Laboratory, Brain Sciences Institute, Swinburne University of Technology, Australia
    Hum Psychopharmacol 17:45-9. 2002
    ..No acute effects of Ginkgo biloba were found for any of the memory tests examined. The findings suggest that 120 mg of Ginkgo biloba has no acute nootropic effects in healthy older humans...
  24. ncbi Brain monoamines and early visual information-processing speed
    Ben J Harrison
    Neuropharmacology Laboratory, Brain Sciences Institute, Swinburne University of Technology Melbourne, Australia
    Int J Neuropsychopharmacol 5:295-300. 2002
    ..These findings suggest that monoamines, whilst implicated in various forms of cognition are not central to IT, which measures the efficiency of perceptual intake and information-processing speed...
  25. ncbi L-tryptophan challenge and cognitive deficits in bipolar disorder: evidence for hyperserotonergic and hypodopaminergic mechanisms
    Pradeep J Nathan
    Neuropsychopharmacology 28:2212-3; author reply 2214-6. 2003
  26. ncbi Acute augmentation of serotonin suppresses cardiovascular responses to emotional valence
    Andrew H Kemp
    Neuropsychopharmacology Laboratory, Brain Sciences Institute, Swinburne University of Technology, Hawthorn, Victoria VIC 3122, Australia
    Int J Neuropsychopharmacol 7:65-70. 2004
    ..These results suggest that 5-HT may modulate the cardiovascular HR response to visual emotional stimuli and indicate that 5-HT may have a protective effect on the cardiovascular responses to emotional stimuli...
  27. ncbi Simultaneous depletion of serotonin and catecholamines impairs sustained attention in healthy female subjects without affecting learning and memory
    Cathy Matrenza
    Neuropsychopharmacology Laboratory, Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
    J Psychopharmacol 18:21-31. 2004
    ..These findings suggest that simultaneously depleting the availability of brain serotonin and catecholamines in healthy female subjects selectively impairs sustained attention, without affecting other cognitive domains...
  28. ncbi Selective effects of acute serotonin and catecholamine depletion on memory in healthy women
    Ben J Harrison
    Neuropsychopharmacology Laboratory, Brain Sciences Institute, Swinburne University of Technology, Melbourne Australia
    J Psychopharmacol 18:32-40. 2004
    ..This may shed light on the role of these neurotransmitters in disorders that are characterized by significant memory impairment...
  29. ncbi First-episode psychosis after taking an extract of Hypericum perforatum (St John's Wort)
    Ken Shimizu
    Hum Psychopharmacol 19:275-6. 2004
  30. ncbi Augmentation of serotonin enhances pleasant and suppresses unpleasant cortical electrophysiological responses to visual emotional stimuli in humans
    Andrew H Kemp
    Neuropsychopharmacology Laboratory, Brain Sciences Institute, Swinburne University of Technology, Hawthorn VIC 3122, Australia
    Neuroimage 22:1084-96. 2004
    ..The findings suggest a possible neurophysiological mechanism underlying antidepressant drug action on emotion...
  31. ncbi The acute effects of L-theanine in comparison with alprazolam on anticipatory anxiety in humans
    Kristy Lu
    Neuropsychopharmacology Laboratory, Brain Sciences Institute, Swinburne, University of Technology, Victoria, Australia
    Hum Psychopharmacol 19:457-65. 2004
    ..The findings suggest that while L-theanine may have some relaxing effects under resting conditions, neither L-theanine not alprazolam demonstrate any acute anxiolytic effects under conditions of increased anxiety in the AA model...
  32. ncbi Combined D1/D2 receptor stimulation under conditions of dopamine depletion impairs spatial working memory performance in humans
    Kathryn A Ellis
    Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
    Psychopharmacology (Berl) 181:771-80. 2005
    ....
  33. ncbi 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
  34. ncbi Pindolol does not augment central serotonin function increases to citalopram in humans: an auditory evoked potential investigation
    Rebecca 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...
  35. ncbi Effects of serotonin and catecholamine depletion on interleukin-6 activation and mood in human volunteers
    Ben J Harrison
    Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia
    Hum Psychopharmacol 17:293-7. 2002
    ..These findings indicate that a transient disruption in global monoamine function does not stimulate a proinflammatory response of IL-6 in normal volunteers...