Dependent component analysis for the magnetogastrographic detection of human electrical response activity

Physiological Measurement

Volumn 28, Issue 9, 2007, Pages 1029-1044

  Estombelo Montesco, C A ^a   De Araujo, D B ^a   Silva Filho, A C R ^a   Moraes, E R ^a   Barros, A K ^b   Wakai, R T ^c   Baffa, O ^a  

^a UNIVERSITY OF SÃO PAULO   (Brazil)

^b FEDERAL UNIVERSITY OF MARANHÃO   (Brazil)

^c UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE AND PUBLIC HEALTH   (United States)

Author keywords

Autoregressive methods; Gastric electrical response activity; Independent component analysis; Magnetogastrography; Morlet wavelet; Spike activity; Stomach

Indexed keywords

MAGNETOMETERS; NUCLEAR MEDICINE; WAVELET ANALYSIS;

AUTOREGRESSIVE METHODS; DEPENDENT COMPONENT ANALYSES (DCA); ELECTRIC RESPONSE; ELECTRICAL RESPONSE; GASTRIC ELECTRICAL RESPONSE ACTIVITY; INDEPENDENT COMPONENTS ANALYSIS; MAGNETOGASTROGRAPHY; MORLET WAVELET; SPIKE ACTIVITY; STOMACH;

INDEPENDENT COMPONENT ANALYSIS;

ALGORITHM; ARTICLE; BIOMAGNETISM; ELECTRIC ACTIVITY; ELECTROGASTROGRAPHY; FOOD INTAKE; FREQUENCY MODULATION; HUMAN; HUMAN EXPERIMENT; INDEPENDENT COMPONENT ANALYSIS; MAGNETOGASTROGRAPHY; MEAL; MEDICAL TECHNOLOGY; PRIORITY JOURNAL; SCINTIGRAPHY; STOMACH EMPTYING;

EID: 34548182609     PISSN: 09673334     EISSN: 13616579     Source Type: Journal    
DOI: 10.1088/0967-3334/28/9/005     Document Type: Article

References (17)

1. Akin A and Sun H H 1999 Time-frequency methods for detecting spike activity of stomach Med. Biol. Eng. Comput. 37 381-90
2. Andrä W and Nowak H 2006 Magnetism in Medicine: A Handbook (New York: Wiley-VCH)
3. Barros A K and Cichocki A 2001 Extraction of specific signals with temporal structure Neural Comput. 13 1995-2003
4. Bradshaw L A, Irimia A, Sims J A, Gallucci M R, Palmer R L and Richards W O 2006 Biomagnetic characterization of spatiotemporal parameters of the gastric slow wave Neurogastroenterol. Motility 18 619-31
5. Chen J D and McCallum R W 1993 Clinical-applications of electrogastrography Am. J. Gastroenterol. 88 1324-36
6. de Araujo D B, Barros A K, Estombelo-Montesco C, Zhao H, da Silva A C R, Baffa O, Wakai R and Ohnishi N 2005 Fetal source extraction from magnetocardiographic recordings by dependent component analysis Phys. Med. Biol. 50 4457-64
7. Irimia A, Richards W O and Bradshaw L A 2006 Magnetogastrographic detection of gastric electrical response activity in humans Phys. Med. Biol. 51 1347-60
8. Jensen O, Gelfand J, Kounios J and Lisman J E 2002 Oscillations in the alpha band (9-12 Hz) increase with memory load during retention in a short-term memory task Cereb. Cortex 12 877-82
9. Kato H, Naniwa S and Ishiguro M 1996 A bayesian multivariate nonstationary time series model for estimating mutual relationships among variables J. Econometrics 75 147-61
10. Liang H, Lin Z and McCallum R W 2000 Artifact reduction in electrogastrogram based on empirical mode decomposition method Med. Biol. Eng. Comput. 38 35-41
11. Liu L W C, Sperelakis N and Huizinga J D 1995 Pacemaker Activity and Intercellular Communication in the Gastrointestinal Musculature (Boca Raton, FL: CRC Press)
12. Madisetti V K and Williams D B (ed) 1997 The Digital Signal Processing Handbook (Boca Raton, FL: CRC Press)
13. Moraes E R and Baffa O 1999 Modelling of the magnetogastrogram 11th Int. Conf. Biomagnetism ed T Yoshimoto et al (Sendai: Tohoku University Press) pp 262-5
14. Moraes E R, Troncon L E A, Baffa O, Oba-Kunyioshi A S, Wakai R and Leuthold A 2003 Adaptive, autoregressive spectral estimation for analysis of electrical signals of gastric origin Physiol. Meas. 24 91-106
15. Smout A J P M, Vanderschee E J and Grashuis J L 1980 What is measured in electrogastrography Dig. Dis. Sci. 25 179-87
16. TallonBaudry C, Bertrand O, Delpuech C and Pernier J 1997 Oscillatory gamma-band (30-70 Hz) activity induced by a visual search task in humans J. Neurosci. 17 722-34
17. Toni A 2002 Nonparametric statistical analysis of time-frequency representations of magnetoencephalographic data Department of Electrical and Communications Engineering, S-114, Cognitive Technology