Research Topics
| Ian J KirkSummaryAffiliation: University of Auckland Country: New Zealand Publications
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Detail Information
Publications
The unusual symmetry of musicians: musicians have equilateral interhemispheric transfer for visual informationLucy L M Patston
Department of Psychology, University of Auckland, Level 6, Human Sciences Building, Auckland, New Zealand
Neuropsychologia 45:2059-65. 2007..It is suggested that plastic developmental changes caused by extended musical training in childhood result in equally efficient connections to both hemispheres...- The role of theta-range oscillations in synchronising and integrating activity in distributed mnemonic networksIan J Kirk
Department of Psychology, Research Centre for Cognitive Neuroscience, University of Auckland, Auckland, New Zealand
Cortex 39:993-1008. 2003..The potential utility of this technique will be increased greatly by the use of high-density EEG and algorithms to more precisely map the topography of cortical sources of EEG activity... - Neurophysiological responses to face, facial regions and objects in adults with Asperger's syndrome: an ERP investigationKate O'Connor
Department of Psychology, University of Auckland, Auckland, New Zealand
Int J Psychophysiol 63:283-93. 2007..This difference was not observed to objects. Together these findings suggest that adults with AS may be slower to process facial information... - Early visual evoked potentials in callosal agenesisMelodie S Barr
Research Centre for Cognitive Neuroscience, Department of Psychology, University of Auckland, Auckland, New Zealand
Neuropsychology 19:707-27. 2005..Suggestions are made as to why these results differ from earlier findings and as to the neural mechanisms facilitating this ipsilateral activation... - Spatial frequency-specific potentiation of human visual-evoked potentialsNicolas A McNair
Research Centre for Cognitive Neuroscience, University of Auckland, New Zealand
Neuroreport 17:739-41. 2006..These results suggest that the long-term potentiation effect induced by the sensory tetanus is isolated to a discrete neural population in the visual cortex... - Interhemispheric callosal transfer in adults with attention-deficit/hyperactivity disorder: an event-related potential studyMei Hsin Suzanne Rolfe
Department of Psychology, Research Centre for Cognitive Neuroscience, University of Auckland, Auckland, New Zealand
Neuroreport 18:255-9. 2007.... 
Binocular rivalry reveals a dissociation between the subjective experience and induced gamma oscillationsScott L Fairhall
Research Centre for Cognitive Neuroscience, Department of Psychology, The University of Auckland, Private Bag 92019, Auckland, New Zealand
Eur J Neurosci 27:213-6. 2008..These results suggest that localized scalp-recorded gamma oscillations are dissociable from the subjective visual experience...- An ERP investigation of the Stroop task: the role of the cingulate in attentional allocation and conflict resolutionGjurgjica Badzakova-Trajkov
Research Centre for Cognitive Neuroscience and Department of Psychology, The University of Auckland, Auckland, NZ, New Zealand
Brain Res 1253:139-48. 2009..The later peak in the incongruent-congruent difference wave, originating in anterior cingulate, likely reflects identification (and subsequent resolution) of conflict in the two sources of information... - Testing the repression hypothesis: effects of emotional valence on memory suppression in the think - no think taskAnthony J Lambert
Research Centre for Cognitive Neuroscience, Department of Psychology, University of Auckland, Private Bag 92019, Auckland, New Zealand
Conscious Cogn 19:281-93. 2010..Implications of these findings for the relationship between performance in the TNT task and the controversial notion of memory repression are considered... - Decreased desychronisation during self-paced movements in frequency bands involving sensorimotor integration and motor functioning in Parkinson's diseaseVanessa K Lim
Department of Psychology, Research Centre for Cognitive Neuroscience, The University of Auckland, Private Bag 92019, Auckland, New Zealand
Brain Res Bull 71:245-51. 2006..This activity difference in patients with Parkinson's disease may be due to deficits in sensorimotor integration... - Volition and the idle cortex: beta oscillatory activity preceding planned and spontaneous movementScott L Fairhall
Research Centre for Cognitive Neuroscience, Department of Psychology, The University of Auckland, Auckland, New Zealand
Conscious Cogn 16:221-8. 2007..A model is considered where by distributed neural activity remains outside of conscious awareness through the persistence of tonic slow wave cortical oscillations... - Kinesthetic but not visual imagery assists in normalizing the CNV in Parkinson's diseaseVanessa K Lim
Department of Psychology, Research Centre for Cognitive Neuroscience, The University of Auckland, Private Bag 92019, Auckland, New Zealand
Clin Neurophysiol 117:2308-14. 2006..This study investigated whether kinesthetic and/or visual imagery could alter the contingent negative variation (CNV) for patients with Parkinson's disease (PD)... - Determining the subjective effects of TFMPP in human malesReem K Jan
School of Pharmacy, University of Auckland, Private Bag 92019, Auckland, New Zealand
Psychopharmacology (Berl) 211:347-53. 2010..TFMPP has been anecdotally reported to induce mild psychedelic effects similar to lysergic acid diethylamide and psilocybin. There has been no research about the subjective effects of TFMPP in humans... - Effects of trifluoromethylphenylpiperazine (TFMPP) on interhemispheric communicationHeeseung Lee
School of Pharmacy, Faculty of Medical and Health Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand
Psychopharmacology (Berl) 213:707-14. 2011..The purpose of this study is to investigate the effects of TFMPP on central information processing speed in humans... - Temporal dynamics of masked word readingScott L Fairhall
Research Centre for Cognitive Neuroscience, Department of Psychology, The University of Auckland, Auckland, New Zealand
Conscious Cogn 16:112-23. 2007..The evoked response demonstrates a qualitatively distinct signature of unconscious cognition and directly demonstrates the extraction of abstract information under subliminal conditions... - Long-term enhanced desynchronization of the alpha rhythm following tetanic stimulation of human visual cortexWesley C Clapp
Psychology Department, City Campus, Centre for Cognitive Neuroscience, University of Auckland, Private Bag 92019, Auckland, New Zealand
Neurosci Lett 398:220-3. 2006..Because ERD of the alpha rhythm is thought to represent active cortex, these results suggest that the visual tetanus induces long-lasting cortical changes, with stronger neuronal assemblies and increased neuronal output... - Symmetry of callosal information transfer in schizophrenia: a preliminary studyKylie J Barnett
Research Centre for Cognitive Neuroscience, University of Auckland, Private Bag 92019, Auckland, New Zealand
Schizophr Res 74:171-8. 2005..This study uses 128-channel EEG to assess whether asymmetry of interhemispheric transfer found in normal individuals is present in those with schizophrenia, and whether this might point to a right-hemisphere dysfunction... - Anterior-posterior beta asymmetries in dyslexia during lexical decisionsR Duncan Milne
Department of Psychology, Private Bag 92019, University of Auckland, New Zealand
Brain Lang 84:309-17. 2003..Our results therefore suggest compensation through weakness rather than strength, with phonological dyslexics focusing on a grapheme-to-phoneme strategy and dyseidetics focusing on visual word identification... - Age-related improvements in auditory temporal resolution in reading-impaired childrenMichael J Hautus
Department of Psychology and Research Centre for Cognitive Neuroscience, University of Auckland, Private Bag 92019, Auckland, New Zealand
Dyslexia 9:37-45. 2003..This result suggests that if remedial interventions targeted at temporal resolution deficits are to be effective, the early detection of the deficit and early application of the remedial programme is especially critical... - Right hemispheric dysfunction in schizophreniaKylie J Barnett
Research Centre for Cognitive Neuroscience, University of Auckland, Private Bag 92019, Auckland, New Zealand
Laterality 10:29-35. 2005.... - Comparison of the N300 and N400 ERPs to picture stimuli in congruent and incongruent contextsJeff P Hamm
Department of Psychology, Centre for Cognitive Neuroscience, University of Auckland, Auckland, New Zealand
Clin Neurophysiol 113:1339-50. 2002..Based upon theories of object identification, the semantic incongruity was manipulated to occur early or late in the object processing stream... - The neurophysiological correlates of face processing in adults and children with Asperger's syndromeKate O'Connor
Research Centre for Cognitive Neuroscience, Department of Psychology, University of Auckland, Auckland, New Zealand
Brain Cogn 59:82-95. 2005..However, these differences were not observed between AS and control children. This may result from incomplete development of the neuronal generators of these ERP components and/or early intervention... - Effects of long-term potentiation in the human visual cortex: a functional magnetic resonance imaging studyWesley C Clapp
Research Centre for Cognitive Neuroscience, University of Auckland, Auckland, New Zealand
Neuroreport 16:1977-80. 2005..These results support the idea that long-term potentiation can be demonstrated non-invasively within the human visual cortex and provide evidence that the plastic changes are localized within the secondary visual cortex... - Induction of orientation-specific LTP-like changes in human visual evoked potentials by rapid sensory stimulationRobert M Ross
Research Centre for Cognitive Neuroscience, University of Auckland, Auckland, New Zealand
Brain Res Bull 76:97-101. 2008..Furthermore, our results support earlier studies that have suggested that the locus of potentiation induced by rapid visual stimulation is visual cortex... - Influence of task complexity on manual asymmetriesMarkus Hausmann
Department of Psychology, Research Centre for Cognitive Neuroscience, University of Auckland, Auckland, New Zealand
Cortex 40:103-10. 2004..However, the influence of task complexity on manual asymmetry seems not to be monotonic... - Atypical interhemispheric communication in left-handed individualsSarina J Iwabuchi
Research Centre for Cognitive Neuroscience, Department of Psychology, University of Auckland, Auckland, New Zealand
Neuroreport 20:166-9. 2009.... - Bilateral disadvantage: lack of interhemispheric cooperation in schizophreniaKylie J Barnett
Research Centre for Cognitive Neuroscience, University of Auckland, Private Bag 92019, Auckland, New Zealand
Conscious Cogn 16:436-44. 2007..The lack of bilateral gain in schizophrenia is discussed as arising from differences in the connections between areas in each hemisphere that mediate language... - The neural networks involved in pitch labeling of absolute pitch musiciansCarolyn Wu
Department of Psychology, Research Centre for Cognitive Neuroscience RCCN, University of Auckland, Auckland, New Zealand
Neuroreport 19:851-4. 2008..This suggests that when required to label tones without an external reference, absolute pitch musicians have the ability to recruit a greater network than nonabsolute pitch musicians or nonmusicians... - Dual-task performance in late proficient bilingualsGjurgjica Badzakova-Trajkov
The University of Auckland, Auckland, New Zealand
Laterality 13:201-16. 2008..The data indicate more bilateral hemispheric involvement for both L2 and L1 in late proficient bilinguals living in the L2 environment... - Effects of memory load on hemispheric asymmetries of colour memoryWes Clapp
University of Auckland, New Zealand
Laterality 12:139-53. 2007..The results suggest that verbal (mnemonic) strategies can significantly affect the magnitude of hemispheric asymmetries in a non-verbal task... - Induction of LTP-like changes in human auditory cortex by rapid auditory stimulation: an FMRI studyTino Zaehle
Department of Neuropsychology, Institute of Psychology, University of Zurich, Zurich, Switzerland
Restor Neurol Neurosci 25:251-9. 2007..The goal of the present study was to investigate potential effects of LTP-like changes on the hemodynamic response of the human auditory cortex... - Lack of asymmetrical transfer for linguistic stimuli in schizophrenia: an ERP studyKylie J Barnett
Department of Psychology, Trinity College, Dublin, Ireland
Clin Neurophysiol 116:1019-27. 2005..To assess the mechanisms underlying lack of speeded information transfer asymmetry (faster right to left) for verbal information in schizophrenia... 
Long-term potentiation of human visual evoked responsesTimothy J Teyler
Medical Education Program, University of Idaho, Moscow, ID and Department of Veterinary and Comparative Anatomy, Pharmacology and Physiology, Washington State University, Pullman, WA, USA
Eur J Neurosci 21:2045-50. 2005....- Impaired dodging in food-conflict following fimbria-fornix transection in rats: a novel hippocampal formation deficitScott D Oddie
Department of Humanities and Social Sciences, Red Deer College, Box 5005, Red Deer, Alberta, Canada
Brain Res Bull 57:565-73. 2002..The finding of this novel deficit underscores the importance of considering both loss as well as release phenomena in the analysis of hippocampal formation function...