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Abstract
Adolescents with anxiety disorders often report sleep disturbance. To dissociate the
effects of both sets of symptoms (anxiety vs. sleep disturbances) on clinical markers
we recorded evening and morning wake EEG activity in 13 anxious adolescents without
sleep complaints and compared results to 15 matched healthy controls. Evening EEG
activity did not differ between the two groups; in the morning, patients showed a
significantly higher activity than controls at central (0.75-10 Hz and 13-20 Hz) and
occipital (2.5-7.75 Hz) electrodes. Trait anxiety scores of anxious participants correlated
with central electrodes delta activity and occipital electrodes delta and theta activity.
State anxiety correlated with delta activity on central electrodes, particularly in
the low frequency range.