12 found
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  1.  34
    Testing the Repression Hypothesis: Effects of Emotional Valence on Memory Suppression in the Think – No Think Task.Anthony J. Lambert, Kimberly S. Good & Ian J. Kirk - 2010 - Consciousness and Cognition 19 (1):281-293.
    It has been proposed that performance in the think – no think task represents a laboratory analogue of the voluntary form of memory repression. The central prediction of this repression hypothesis is that performance in the TNT task will be influenced by emotional characteristics of the material to be remembered. This prediction was tested in two experiments by asking participants to learn paired associates in which the first item was either emotionally positive or emotionally negative . The second word was (...)
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  2.  13
    Mental Simulation of Facial Expressions: Mu Suppression to the Viewing of Dynamic Neutral Face Videos.Ozge Karakale, Matthew R. Moore & Ian J. Kirk - 2019 - Frontiers in Human Neuroscience 13.
  3.  6
    Seven Pervasive Statistical Flaws in Cognitive Training Interventions.David Moreau, Ian J. Kirk & Karen E. Waldie - 2016 - Frontiers in Human Neuroscience 10.
  4. Earlier Visual N1 Latencies in Expert Video-Game Players: A Temporal Basis of Enhanced Visuospatial Performance.Andrew James Latham, Lucy L. M. Patston, Christine Westermann, Ian J. Kirk & Lynette J. Tippett - 2013 - PLoS ONE 8 (9).
    Increasing behavioural evidence suggests that expert video game players (VGPs) show enhanced visual attention and visuospatial abilities, but what underlies these enhancements remains unclear. We administered the Poffenberger paradigm with concurrent electroencephalogram (EEG) recording to assess occipital N1 latencies and interhemispheric transfer time (IHTT) in expert VGPs. Participants comprised 15 right-handed male expert VGPs and 16 non-VGP controls matched for age, handedness, IQ and years of education. Expert VGPs began playing before age 10, had a minimum 8 years experience, and (...)
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  5.  16
    Temporal Dynamics of Masked Word Reading.Scott L. Fairhall, Jeff P. Hamm & Ian J. Kirk - 2007 - Consciousness and Cognition 16 (1):112-123.
    The repercussions of unconscious priming on the neural correlates subsequent cognition have been explored previously. However, the neural dynamics during the unconscious processing remains largely uncharted. To assess both the complexity and temporal dynamics of unconscious cognition the present study contrasts the evoked response from classes of masked stimuli with three different levels of complexity; words, consonant strings, and blanks. The evoked response to masked word stimuli differed from both consonant strings and blanks, which did not differ from each other. (...)
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  6.  25
    The Brain-Derived Neurotrophic Factor Val66met Polymorphism Differentially Affects Performance on Subscales of the Wechsler Memory Scale – Third Edition.Yvette N. Lamb, Christopher S. Thompson, Nicole S. McKay, Karen E. Waldie & Ian J. Kirk - 2015 - Frontiers in Psychology 6.
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  7.  23
    Volition and the Idle Cortex: Beta Oscillatory Activity Preceding Planned and Spontaneous Movement.Scott L. Fairhall, Ian J. Kirk & Jeff P. Hamm - 2007 - Consciousness and Cognition 16 (2):221-228.
    Prior to the initiation of spontaneous movement, evoked potentials can be seen to precede awareness of the impending movement by several hundreds of milliseconds, meaning that this recorded neural activity is the result of unconscious processing. This study investigates the neural representations of impending movement with and without awareness. Specifically, the relationship between awareness and ‘idling’ cortical oscillations in the beta range was assessed. It was found that, in situations where there was awareness of the impending movement, pre-movement evoked potentials (...)
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  8.  18
    Bilateral Disadvantage: Lack of Interhemispheric Cooperation in Schizophrenia.Kylie J. Barnett, Ian J. Kirk & Michael C. Corballis - 2007 - Consciousness and Cognition 16 (2):436-444.
    Language anomalies and left-hemisphere dysfunction are commonly reported in schizophrenia. Additional evidence also suggests differences in the integration of information between the hemispheres. Bilateral gain is the increase in accuracy and decrease in latency that occurs when identical information is presented simultaneously to both hemispheres. This study measured bilateral gain in controls and individuals with schizophrenia using a lexical-decision task where word or non-word judgements were made to letter strings presented in the left visual field , right visual field or (...)
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  9.  22
    A Possible Role for Non-Gamma Oscillations in Conscious Perception: Implications for Hallucinations in Schizophrenia.Ian J. Kirk - 2004 - Behavioral and Brain Sciences 27 (6):798-798.
    Behrendt & Young (B&Y) propose a useful theoretical framework for the study of processes underlying perception and hallucinations. It focuses on gamma oscillations in thalamocortical networks and the role of the reticular thalamic nucleus in modulating these oscillations. I suggest that their theoretical model might also be applied to the investigation of temporal encoding deficits in disorders such as dyslexia. I further suggest, however, that a role for slower rhythms, such as theta, might also be considered when investigating perceptual experience.
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  10.  11
    Catechol-O-Methyltransferase Val158met Polymorphism Interacts with Sex to Affect Face Recognition Ability.Yvette N. Lamb, Nicole S. McKay, Shrimal S. Singh, Karen E. Waldie & Ian J. Kirk - 2016 - Frontiers in Psychology 7.
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  11.  16
    Perceived Stress During Pregnancy and the Catechol-O-Methyltransferase (COMT) Rs165599 Polymorphism Impacts on Childhood IQ.Yvette N. Lamb, John M. D. Thompson, Rinki Murphy, Clare Wall, Ian J. Kirk, Angharad R. Morgan, Lynnette R. Ferguson, Edwin A. Mitchell & Karen E. Waldie - 2014 - Cognition 132 (3):461-470.
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  12.  9
    Human Sensory LTP Predicts Memory Performance and Is Modulated by the BDNF Val66Met Polymorphism.Meg J. Spriggs, Chris S. Thompson, David Moreau, Nicolas A. McNair, C. Carolyn Wu, Yvette N. Lamb, Nicole S. McKay, Rohan O. C. King, Ushtana Antia, Andrew N. Shelling, Jeff P. Hamm, Timothy J. Teyler, Bruce R. Russell, Karen E. Waldie & Ian J. Kirk - 2019 - Frontiers in Human Neuroscience 13.