نتایج جستجو برای: eeg alpha power

تعداد نتایج: 710750  

Journal: :International journal of psychophysiology : official journal of the International Organization of Psychophysiology 2011
Mohammad Ali Nazari Fabrice Wallois Ardalan Aarabi Patrick Berquin

To establish whether dynamic EEG changes in children with attention-deficit/hyperactivity disorder (ADHD) differ from those observed in controls, the authors investigated the effect of the continuous performance test (CPT) on delta, theta, alpha and beta frequency bands. High-resolution electroencephalography (EEG) was recorded during eyes-open resting and CPT performance in 16 right-handed chi...

2014
Andreas Fink Mathias Benedek

Neuroscientific studies revealed first insights into neural mechanisms underlying creativity, but existing findings are highly variegated and often inconsistent. Despite the disappointing picture on the neuroscience of creativity drawn in recent reviews, there appears to be robust evidence that EEG alpha power is particularly sensitive to various creativity-related demands involved in creative ...

Journal: :Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology 2005
Craig E Tenke Jürgen Kayser

OBJECTIVE Definition of appropriate frequency bands and choice of recording reference limit the interpretability of quantitative EEG, which may be further compromised by distorted topographies or inverted hemispheric asymmetries when employing conventional (non-linear) power spectra. In contrast, fPCA factors conform to the spectral structure of empirical data, and a surface Laplacian (2-dimens...

Introduction: Regarding the neurofeedback training process, previous studies indicate that 10%-50% of subjects cannot gain control over their brain activity even after repeated training sessions. This study is conducted to overcome this problem by investigating inter-individual differences in neurofeedback learning to propose some predictors for the trainability of subjects. Methods: Eight hea...

2014
Rakesh S. Deore Rahul D. Chaudhari Suresh C Mehrotra Huisheng Lu Mingshi Wang Hongqiang Yu Jianting Cao Yuan-Pin Lin Chi-Hong Wang Tien-Lin Wu Shyh-Kang Jeng Jyh-Horng Chen Tzyy-Ping Jung Jeng-Ren Duann

In this study we build a mood recognition system using EEG signal of Song Induced activity. In this we have analyzed alpha EEG powers related to left hemisphere, right hemisphere regions of brains. This has given the significance of different brain region related to emotions. This study successfully achieves the goal to design a system which offers offline mood recognition system. In this study...

Journal: :Human brain mapping 2018
Vadim Zotev Masaya Misaki Raquel Phillips Chung Ki Wong Jerzy Bodurka

Real-time fMRI neurofeedback (rtfMRI-nf) with simultaneous EEG allows volitional modulation of BOLD activity of target brain regions and investigation of related electrophysiological activity. We applied this approach to study correlations between thalamic BOLD activity and alpha EEG rhythm. Healthy volunteers in the experimental group (EG, n = 15) learned to upregulate BOLD activity of the tar...

Ali Ghanaei Chamanabad, Mohammad Javad Asghari Ebrahimabad, Mohammad Mahdi Moshirian Farahi, Negar Farhangdoost,

The aim of this study was to clarify the relationship between EEG power and neuroticism trait. We used correlational method in order to examine the hypotheses. The participants included twenty-five undergraduate students (age mean= 21.36, SD= 23.39) at Ferdowsi university of Mashhad that were selected as volunteers. All participants were right-handed and had normal or corrected-to-normal visual...

Journal: :Frontiers in neuroscience 2016
Claudio Babiloni Antonio I. Triggiani Roberta Lizio Susanna Cordone Giacomo Tattoli Vitoantonio Bevilacqua Andrea Soricelli Raffaele Ferri Flavio Nobili Loreto Gesualdo José C. Millán-Calenti Ana Buján Rosanna Tortelli Valentina Cardinali Maria Rosaria Barulli Antonio Giannini Pantaleo Spagnolo Silvia Armenise Grazia Buenza Gaetano Scianatico Giancarlo Logroscino Giovanni B. Frisoni Claudio del Percio

Previous studies have shown abnormal power and functional connectivity of resting state electroencephalographic (EEG) rhythms in groups of Alzheimer's disease (AD) compared to healthy elderly (Nold) subjects. Here we tested the best classification rate of 120 AD patients and 100 matched Nold subjects using EEG markers based on cortical sources of power and functional connectivity of these rhyth...

Journal: :Psychophysiology 2012
Kyle E Mathewson Chandramallika Basak Edward L Maclin Kathy A Low Walter R Boot Arthur F Kramer Monica Fabiani Gabriele Gratton

We hypothesized that control processes, as measured using electrophysiological (EEG) variables, influence the rate of learning of complex tasks. Specifically, we measured alpha power, event-related spectral perturbations (ERSPs), and event-related brain potentials during early training of the Space Fortress task, and correlated these measures with subsequent learning rate and performance in tra...

Journal: :Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society 2006
Yong Tae Kwak

Although quantitative EEG (q-EEG) has been used in Alzheimer's disease (AD), q-EEG changes in AD are complex because of the progressive nature of this disease. The topographical spectral power and occipital peak frequency (OPF) were compared among elderly controls, patients with mild cognitive impairment (MCI), and patients with four stages of AD. In AD patients, except those with a Clinical De...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید