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The Gaussian surrogate-date procedure was applied to the measurement of the effect of cigarette smoking on the dimensional complexity of normal, resting EEG. Evidence of significant nonlinearity in the EEG was obtained, replicating previous results. However, unlike EEG dimensional complexity, EEG nonlinearity (difference between original and surrogate data) was not affected by smoking. This indicates that, under resting conditions, smoking/nicotine may have a modulating effect on input from the reticular activating system, with such input having a global, linearizing effect on cortical dynamics. Nonlinear dynamics resulting from intracortical processes appear not to be affected.
W S Pritchard, and
K K Krieble, and
D W Duke
January 1991,
Psychopharmacology,
W S Pritchard, and
K K Krieble, and
D W Duke
June 2001,
Alcohol (Fayetteville, N.Y.),
W S Pritchard, and
K K Krieble, and
D W Duke
February 2008,
Environmental research,
W S Pritchard, and
K K Krieble, and
D W Duke
November 1988,
Thrombosis research,
W S Pritchard, and
K K Krieble, and
D W Duke
September 2001,
Addiction (Abingdon, England),
W S Pritchard, and
K K Krieble, and
D W Duke
January 1977,
British medical journal,
W S Pritchard, and
K K Krieble, and
D W Duke
January 1988,
Journal of substance abuse,
W S Pritchard, and
K K Krieble, and
D W Duke
June 1977,
Thrombosis and haemostasis,
W S Pritchard, and
K K Krieble, and
D W Duke
June 1996,
Addiction (Abingdon, England),
W S Pritchard, and
K K Krieble, and
D W Duke
November 1985,
British journal of anaesthesia,
