Detection of cognitive binding during ambiguous figure tasks by wavelet coherence analysis of EEG signals

It is hypothesized that the perception of an alternative image in ambiguous figures would be manifested as an increase in synchronization of EEG signals over multiple scalp sites as "cognitive binding" occurs. A statistical time-frequency analysis (STFA) approach is taken to detect cognitive binding. The STFA approach consists of an analysis filter bank that extracts useful components from the input EEG signals and certain statistical parameters at the output that characterize the synchronization patterns over multiple scalp sites. With the help of wavelet-packet filters and wavelet coherence measures, cognitive binding is detected over many frequency bands by statistical testing.

[1]  Ta-Hsin Li,et al.  Discrimination of Time Series by Parametric Filtering , 1996 .

[2]  Jelena Kovacevic,et al.  Wavelets and Subband Coding , 2013, Prentice Hall Signal Processing Series.

[3]  S. Bressler,et al.  Episodic multiregional cortical coherence at multiple frequencies during visual task performance , 1993, Nature.

[4]  A. Geva,et al.  Forecasting generalized epileptic seizures from the EEG signal by wavelet analysis and dynamic unsupervised fuzzy clustering , 1998, IEEE Transactions on Biomedical Engineering.

[5]  Bärbel Schack,et al.  Instantaneous coherence as a sensible parameter for considering human information processing , 1996, Proceedings of 13th International Conference on Pattern Recognition.

[6]  N. Thakor,et al.  Spectral analysis of a thalamus-to-cortex seizure pathway , 1997, IEEE Transactions on Biomedical Engineering.

[7]  Johannes R. Sveinsson,et al.  Wavelet-package transformation as a preprocessor of EEG waveforms for classification , 1997, Proceedings of the 19th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. 'Magnificent Milestones and Emerging Opportunities in Medical Engineering' (Cat. No.97CH36136).

[8]  W. Singer,et al.  Oscillatory responses in cat visual cortex exhibit inter-columnar synchronization which reflects global stimulus properties , 1989, Nature.

[9]  D. Brillinger.  Time Series: Data Analysis and Theory. , 1981 .

[10]  W. R. Klemm,et al.  Coherent EEG Indicators of Cognitive Binding during Ambiguous Figure Tasks , 2000, Consciousness and Cognition.

[11]  W. Singer.  Synchronization of cortical activity and its putative role in information processing and learning. , 1993, Annual review of physiology.

[12]  I. Rock,et al.  The legacy of Gestalt psychology. , 1990, Scientific American.