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The effects of eyelid position (open or closed) and three levels of room illumination on operant control of alpha EEG were investigated utilizing a factorial design. After base-line levels were determined, subjects were given alpha-contingent feedback and instructed to increase and decrease alpha

, mechanisms that cooperatively support temporal representation and long-term consolidation of information. T he first human electroencephalographic (EEG) pattern described was an 8 to 12 Hz rhythm, the alpha waves of Berger (1), followed by a barrage of intensive clinical and basic research. From scalp

nces our own motor systems are activated when we observe others performing that same action. Here we asked whether this phenomenon applies to the observation of gesture. Would the sensorimotor experiences we gain when performing an action on an object influence activation in our own motor neural substrates. 009); ntial thers’ may tners Contents lists available at SciVerse ScienceDirect ier

Les morphologies du thalamus, du corps géniculé latéral et de la radiation optique n’influencent pas les ondes alpha EEG

CS-specific gamma, theta, and alpha EEG activity detected in stimulus generalization following induction of behavioral memory by stimulation of the nucleus basalis

The alpha rhythm in the EEG is 8^12Hz activity present when a subject is awake with eyes closed. In this study, we used simulta-neous EEG and fMRI to make maps of regions whose MRI signal changed reliably with modulation in posterior alpha activity. We scanned11subjects as they restedwith eyes

Davidson (1993) has proposed that hemispheric asymmetry in prefrontal activation, as measured by electroencephalographic (EEG) power in the alpha band (8 ± 13Hz), is related to reactivity to affectively valenced stimuli.David-son has proposed further that asymmetry is a stable trait, and that left

. The present study tested the hypothesis that relatively greater left- than right-frontal cortical activity would be related to heightened approach-related dispositional tendencies. Resting frontal cortical asymmetrical activity, as measured byelectroencephalographic ctivity in the alpha band, was exam

Abstract—We propose to improve the spatial resolution of electroencephalography (EEG) using a differential recording methodology. Conventional EEG (CEEG) systems independently amplify and digitize the signal from each electrode. The Differ-ential EEG (DEEG) approach amplifies the minute difference