1. Eckhorn R, Bauer R, Jordan W et al. Coherent oscillations: a mechanism of feature linking in visual cortex? Multiple electrode and correlation analysis in the cat. Biol Cybem 1988; 60: 121–130
2. Gray CM, König P, Engel AK, Singer W. Oscillatory responses in cat visual cortex exhibit inter-columnar synchronization which reflects global stimulus properties Nature 1989; 338: 334–337
3. Eckhom R. Principles of global visual processing of local features can be investigated with parallel single-cell and group-recordings from the visual cortex. In: Aertsen A, Braitenberg V (eds), Information Processing in the Cortex. Springer, Berlin New York London 1992; pp 385–420
4. Engel AK, König P, Gray CM et al. Stimulus-dependent neuronal oscillations in cat visual cortex: Inter-columnar interaction as determined by cross-correlation analysis. Europ J Neurosci 1990; 2: 588–606
5. Engel AK, König P, Singer W. Direct physiological evidence for scene segmentation by temporal coding. Proc Natl Acad Sci USA 1991; 88: 9136–9140