Muscle artifacts in multichannel EEG: Characteristics and reduction

Highlights ► This study expands our knowledge of muscle activities in EEG from muscle-controlled experiments to general clinical trials by studying the temporal, spectral, and spatial signal characteristics of unintentional muscle activities. ► The proposed high-throughput muscle artifact reduction...

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Bibliographic Details
Published in:Clinical neurophysiology 2012-08, Vol.123 (8), p.1676-1686
Main Authors: Ma, Junshui, Tao, Peining, Bayram, Sevinç, Svetnik, Vladimir
Format: Article
Language:English
Subjects:
Biological and medical sciences
Brain - physiology
Brain Mapping - methods
Clinical EEG
Clinical trial
Drug effect
Electrodiagnosis. Electric activity recording
Electroencephalography
Electroencephalography (EEG)
Fundamental and applied biological sciences. Psychology
Humans
Independent Component Analysis (ICA)
Investigative techniques, diagnostic techniques (general aspects)
Medical sciences
Muscle artifacts
Muscle characteristics
Muscle signal characteristics
Muscle signals
Muscle, Skeletal - physiology
Nervous system
Neurology
Pharmaco-EEG
Signal Processing, Computer-Assisted - instrumentation
Striated muscle. Tendons
Vertebrates: osteoarticular system, musculoskeletal system
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Summary:Highlights ► This study expands our knowledge of muscle activities in EEG from muscle-controlled experiments to general clinical trials by studying the temporal, spectral, and spatial signal characteristics of unintentional muscle activities. ► The proposed high-throughput muscle artifact reduction method provides an urgently needed solution with validated performance for processing large volumes of clinical EEG. ► The muscle activity topography generated by the proposed method can be used as a biofeedback tool to reveal the unintentionally stressful spots on a person’s head.
ISSN:1388-2457
1872-8952
DOI:10.1016/j.clinph.2011.11.083