Related by context. Frequent words. (Click for all words.) 69 electroencephalography EEG 69 EEGs 66 electroencephalogram EEG 65 electroencephalography 65 electrophysiological 64 electroencephalogram 63 electrocardiogram EKG 62 near infrared spectroscopy 61 electrocardiographic 61 pupil dilation 60 electromyography 58 neurophysiological 58 physiological parameters 58 skin conductance 58 Doppler ultrasound 57 psychophysical 57 electrocardiography 57 polysomnography 56 electrocardiogram ECG 56 interferometric 56 neuroimaging studies 56 echocardiographic 55 oscillatory 55 functional Magnetic Resonance 55 intracardiac 55 x ray diffraction 55 Radiographic 55 PET positron emission tomography 55 MR spectroscopy 55 nanomechanical 54 T1 weighted 54 cognitive domains 54 imaging fMRI 54 oxygen uptake 53 neuronal activity 53 X ray fluorescence 53 spirometer 53 colorimetric 53 abdominal ultrasound 53 diffusion tensor imaging 53 optical coherence tomography OCT 53 arousals 53 binaural 53 fMRI scanner 53 electrocardiograms 52 microelectrodes 52 exhaled nitric oxide 52 EEG 52 anthropometric 52 hippocampal neurons 52 ECGs 52 spatio temporal 52 blood oxygenation 52 histopathological 52 neurocognitive function 52 abnormally elevated 52 Spirometry 52 fMRI scans 52 neuronal circuits 52 tumor biopsies 52 Raman scattering 52 imaging MRI 52 Computed tomography 52 magnetic stimulation 52 adenotonsillectomy 52 microRNA expression 51 Hemodynamic 51 blood lactate 51 magnetic susceptibility 51 flow mediated dilation 51 physiological 51 brainwaves 51 neuropsychological tests 51 computed tomography scan 51 striatal 51 morphologic 51 experimentally induced 51 sensorimotor 51 logistic regression analysis 51 immunohistochemical 51 methylation patterns 51 optical coherence tomography 51 brain lesions 51 electrical conduction 51 physiological responses 51 tomographic 51 fluorescence microscope 51 electrodes implanted 51 slit lamp 51 metabolomic 51 fasting glucose levels 51 QTc prolongation 51 ultrasonographic 51 doppler 51 photometer 51 fasting insulin 51 microstructural 51 desaturation 50 confocal microscopy 50 locomotor 50 biphasic