~~~~~~ EEG ALERT ~ Week of Sep 25th, 2006 ~~~~~~~~~~

A review of the best papers this year
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T H I S Y E A R 'S
T O P A R T I C L E S______________________________________

EEG alpha and theta oscillations during task switching.
Stronger theta coupling was found between prefrontal and posterior
regions during switching tasks.
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16317574

Cortical excitability and age-related volumetric MRI changes.
Age-associated MRI changes correspond with age-related increases in
cortical excitability.
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16564739

EEG theta rhythm in infants and preschool children.
Theta frequency changed from 3.6 to 5.6Hz in infants to 4-8Hz in
children and is related to behavioral performance involving
substantial attentional and emotional loads.
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16515883

EEG correlates of cortico-subcortical interaction
Reduced slow wave activity was associated with coupling between slow
and fast frequency EEG.
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16371254

Latent state-trait structure of resting EEG asymmetry
Nearly half of the variance of anterior asymmetry was from individual
differences on a latent trait, which suggests both state and trait
aspects of EEG frontal asymmetries.
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16364070

Shift of visual spatial attention and EEG alpha activity.
Anticipatory attention effect in EEG alpha magnitude at
parieto-occipital electrode sites was found during an attention task.
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16324126

EEG recording during TMS
Two electrode types can be used with TMS: a conductive-plastic
surface electrode with a conductive-silver epoxy coat and a subdermal
silver wire electrode. After TMS pulses amplifiers recover within 30 ms.
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16793336

Correlation of PET and qEEG in normal subjects.
Thalamic metabolism was negatively correlated with alpha power and
medial frontal cortical metabolism was positively correlated with
delta EEG power.
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16603341

Principles of magnetic resonance assessment of brain function.
Describes measurements of oxygenation, blood flow and volume, and
measures of connectivity using diffusion tensor imaging for fMRI.
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16649206

Contributions of Neocortical Neurons to MEG and EEG Signals.
Pyramidal cell burst discharge may be detectable with scalp EEG when
as few as 10,000 neurons are synchronously active.
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=16613883
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