Gamma band oscillations arise in neuronal networks of interconnected GABAergic
interneurons and excitatory pyramidal cells. A previous study found a correlation between …

There has recently been a growing interest in the use of simultaneous
electroencephalography (EEG) and functional MRI (fMRI) for evoked activity in cognitive …

Functional imaging of the human brain is an increasingly important technique for clinical and
cognitive neuroscience research, with functional MRI (fMRI) of the blood oxygen level …

Two major non-invasive techniques in cognitive neuroscience, electroencephalography
(EEG) and functional magnetic resonance imaging (fMRI), have complementary advantages …

Oscillatory activity in the gamma-band range in human magneto-and electroencephalogram
is thought to reflect the oscillatory synchronization of cortical networks. Findings of enhanced …

Cortical gamma oscillations occur alongside perceptual processes, and in proportion to
perceptual salience. They have a number of properties that make them ideal candidates to …

The premotor cortex is well known for its role in motor planning. In addition, recent studies
have shown that it is also involved in nonmotor functions such as attention and memory, a …

Recent neuroimaging studies have lead to the proposal that rest is characterized by an
organized, baseline level of activity, a default mode of brain function that is suspended …

Low-frequency temporal fluctuations of physiological signals (< 0.1 Hz), such as the
respiration and cardiac pulse rate, occur naturally during rest and have been shown to be …

OBJECTIVE: We evaluated BOLD correlates of alertness fluctuations commonly seen during
prolonged EEG-fMRI studies to better define the brain areas active at different phases of …