Very low frequency EEG oscillations and the resting brain in young adults: a preliminary study of localisation, stability and association with symptoms of inattention

S Helps, C James, S Debener, A Karl… - Journal of Neural …, 2008 - Springer
S Helps, C James, S Debener, A Karl, EJS Sonuga-Barke
Journal of Neural transmission, 2008•Springer
Background. Spontaneous very low frequency oscillations (VLFO:< 0.2 Hz) in functional
magnetic-resonance imaging are proposed to identify a default-mode network of resting
brain activity. Activity in this network has been related to lapses of attention during goal-
directed tasks and may provide a basis for ADHD. This study assessed the relation between
scalp-recorded EEG VLFO at rest and ADHD. Methods. 13 young adults with high-and 11
with low self-ratings of ADHD participated. Direct current EEG was recorded during a five …
Summary
Background. Spontaneous very low frequency oscillations (VLFO: <0.2 Hz) in functional magnetic-resonance imaging are proposed to identify a default-mode network of resting brain activity. Activity in this network has been related to lapses of attention during goal-directed tasks and may provide a basis for ADHD. This study assessed the relation between scalp-recorded EEG VLFO at rest and ADHD.
Methods. 13 young adults with high- and 11 with low self-ratings of ADHD participated. Direct current EEG was recorded during a five minute rest session and was retested after approximately 1 week.
Results. A consistent and temporally stable pattern of VLFOs was observed across specific scalp regions in low-ADHD participants. High-ADHD participants had less VLFO power across these locations, especially where inattention self-ratings were high. Inattention was not related to VLFO power in other locations.
Discussion. Initial evidence is provided for a pattern of VLFOs at rest which is associated with inattention symptoms.
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