J. Gruzelier

Publications326
h-index71
Citations16,253
Highly Influential Citations653
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Impaired auditory frequency discrimination in dyslexia detected with mismatch evoked potentials
TLDR
It is possible that in dyslexia a persistent sensory deficit in monitoring the frequency of incoming sound may impair the feedback control necessary for the normal development of phonological skills.
Neurofeedback Treatment for Attention-Deficit/Hyperactivity Disorder in Children: A Comparison with Methylphenidate
TLDR
It is suggested that neurofeedback was efficient in improving some of the behavioral concomitants of ADHD in children whose parents favored a nonpharmacological treatment.
Event-Related Brain Potential Correlates of Human Auditory Sensory Memory-Trace Formation
TLDR
Investigating changes in ERPs to different numbers of repetitions of standards, delivered in a roving-stimulus paradigm in which the frequency of the standard stimulus changed randomly between stimulus trains found this RP was recorded from frontocentral electrodes when participants were passively listening to or actively discriminating changes in tone frequency.
The effect of training distinct neurofeedback protocols on aspects of cognitive performance.
TLDR
The results suggest that normal healthy individuals can learn to increase a specific component of their EEG activity, and that such enhanced activity may facilitate semantic processing in a working memory task and to a lesser extent focused attention.
EEG-neurofeedback for optimising performance. I: A review of cognitive and affective outcome in healthy participants
  • J. Gruzelier
  • Medicine, Psychology
    Neuroscience & Biobehavioral Reviews
  • 1 July 2014
TLDR
Validity evidence from optimal performance studies represents an advance for the neurofeedback field demonstrating that cross fertilisation between clinical and optimal performance domains will be fruitful.
Psychobiology of altered states of consciousness.
TLDR
The neurophysiological approach revealed that the different states of consciousness are mainly brought about by a compromised brain structure, transient changes in brain dynamics (disconnectivity), and neurochemical and metabolic processes.
EEG Biofeedback of low beta band components: frequency-specific effects on variables of attention and event-related brain potentials
TLDR
Protocol-specific effects were obtained in that SMR training was associated with increased perceptual sensitivity 'd prime' (d'), and reduced omission errors and reaction time variability, and the data can be interpreted as indicating a general attention-enhancing effect ofSMR training, and an arousal-enhanced effect of beta1 training.
Mismatch negativity potentials and cognitive impairment in schizophrenia
TLDR
In patients, MMN amplitude in frontal electrodes as well as the MMN memory trace effect was diminished compared to controls, which suggests that ERP measures of auditory system adaptability more appropriately characterise the pathophysiological processes underlying cognitive impairment in schizophrenia than static measures of ERP magnitude.
A working model of the neurophysiology of hypnosis: a review of evidence
Neuropsychophysiological evidence is reviewed testing a three-stage, top-down working model of the traditional hypnotic relaxation induction involving: (1) a thalamocortical attentional network…
Electroencephalographic Biofeedback in the Treatment of Attention-Deficit/Hyperactivity Disorder
TLDR
This review paper critically examines the empirical evidence, applying the efficacy guidelines jointly established by the Association for Applied Psychophysiology and Biofeedback (AAPB) and the International Society for Neuronal Regulation (ISNR), and determined EEG biofeedback to be “probably efficacious” for the treatment of ADHD.
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