Related by context. Frequent words. (Click for all words.) 72 electroencephalogram EEG 70 electroencephalogram 70 electroencephalography EEG 68 electroencephalography 67 EEGs 61 electrophysiological 58 electrodes attached 58 brainwaves 57 fMRI 56 electrodes implanted 55 EEG 55 near infrared spectroscopy 55 transcranial magnetic stimulation 54 electrocardiogram ECG 54 electrocardiograms 54 functional magnetic resonance 53 polysomnography 53 binaural 53 Doppler ultrasound 52 nerve conduction 52 electrocardiography 52 imaging fMRI 51 brain scans 51 physiological parameters 51 implanted electrodes 51 neuronal activity 51 physiological responses 51 Brain scans 51 microelectrodes 51 electrical stimulation 50 electrical impulses 50 pulse oximeter 50 oxygen saturation 50 electrocardiogram 50 oxygen uptake 50 nerve stimulation 49 intravascular ultrasound 49 blood oxygen saturation 49 magnetic pulses 49 neurophysiological 49 diffusion tensor imaging 49 fMRI scans 49 positron emission tomography PET 49 noninvasively 49 doppler 49 neurofeedback 48 motor cortex 48 heartbeats 47 auditory 47 vagus nerve stimulation 47 ankle brachial index 47 sensorimotor 47 neurotransmitter serotonin 47 electrical currents 47 biofeedback 47 nystagmus 46 oscillatory 46 MRI scans 46 electrical pulses 46 neural 46 ECGs 46 BrainGate 46 cardiac abnormalities 46 imaging MRI 46 sexual arousal 46 positron emission tomography 46 cerebrovascular events 46 sensory nerves 46 neuroimaging 46 neuropsychological tests 46 spatial reasoning 46 sensory stimuli 46 rTMS 46 cardiorespiratory fitness 46 psychomotor 46 wirelessly transmitted 46 cerebellar 45 Nicolelis 45 ECG 45 cognitive 45 brain 45 echocardiographic 45 CT computed tomography 45 EKG 45 symptom severity 45 nerve impulses 45 QT interval 45 ADAS cog 45 resting metabolic 45 auditory nerve 45 cognition 45 arterial stiffness 45 brain circuitry 44 irregular heartbeats 44 neurophysiology 44 muscle contractions 44 Brain Imaging 44 leptin hormone 44 SpO2 44 microwave radiation 44 MRI scanner