Does the Cerebral Cortex Exploit High-Dimensional, Non-linear Dynamics for Information Processing?

@article{Singer2016DoesTC,
  title={Does the Cerebral Cortex Exploit High-Dimensional, Non-linear Dynamics for Information Processing?},
  author={W. Singer and Andreea Lazar},
  journal={Frontiers in Computational Neuroscience},
  year={2016},
  volume={10}
}
The discovery of stimulus induced synchronization in the visual cortex suggested the possibility that the relations among low-level stimulus features are encoded by the temporal relationship between neuronal discharges. In this framework, temporal coherence is considered a signature of perceptual grouping. This insight triggered a large number of experimental studies which sought to investigate the relationship between temporal coordination and cognitive functions. While some core predictions… Expand
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References

SHOWING 1-10 OF 127 REFERENCES
Dynamic predictions: Oscillations and synchrony in top–down processing
TLDR
It is argued that coherence among subthreshold membrane potential fluctuations could be exploited to express selective functional relationships during states of expectancy or attention, and these dynamic patterns could allow the grouping and selection of distributed neuronal responses for further processing. Expand
Oscillatory responses in cat visual cortex exhibit inter-columnar synchronization which reflects global stimulus properties
TLDR
It is demonstrated here that neurons in spatially separate columns can synchronize their oscillatory responses, which has, on average, no phase difference, depends on the spatial separation and the orientation preference of the cells and is influenced by global stimulus properties. Expand
Spontaneously emerging cortical representations of visual attributes
TLDR
It is suggested that dynamically switching cortical states could represent the brain's internal context, and therefore reflect or influence memory, perception and behaviour. Expand
Neural Synchrony in Cortical Networks: History, Concept and Current Status
TLDR
Evidence is presented that indicates that in addition to supporting conscious cognition, neural synchrony is abnormal in major brain disorders, such as schizophrenia and autism spectrum disorders. Expand
Rapid feature selective neuronal synchronization through correlated latency shifting
TLDR
It is shown that neuron pairs in cat primary visual cortex exhibited correlated fluctuations in response latency, particularly when they had overlapping receptive fields or similar orientation preferences, which may be important in early visual processes. Expand
A statistical analysis of information-processing properties of lamina-specific cortical microcircuit models.
TLDR
It is concluded that computer simulations of detailed lamina-specific cortical microcircuit models provide new insight into computational consequences of anatomical and physiological data. Expand
Visuomotor integration is associated with zero time-lag synchronization among cortical areas
TLDR
When cats responded to a sudden change of a visual pattern, neuronal activity in cortical areas exhibited synchrony without time lags; this synchrony was particularly strong between areas subserving related functions. Expand
Relation between oscillatory activity and long-range synchronization in cat visual cortex.
  • P. König, A. Engel, W. Singer
  • Biology, Medicine
  • Proceedings of the National Academy of Sciences of the United States of America
  • 1995
TLDR
The results show that when synchronization of neuronal activity occurs over distances of > 2 mm in primary visual cortex, or occurs between the two hemispheres, it is almost always associated with oscillatory firing patterns, whereas synchronization over short distances occurs also in the absence of oscillations, supporting the hypothesis that oscillatory activity can contribute to the establishment of long-range synchrony in a network of reciprocally coupled neurons. Expand
Responses to natural scenes in cat V1.
TLDR
Responses to natural movies show a large variability over time because of activity fluctuations induced by rapid stimulus motion, and it is shown that these fluctuations are not dependent on the detailed spatial properties of the stimuli but depend on their temporal jitter. Expand
Synchronization Dynamics in Response to Plaid Stimuli in Monkey V1
TLDR
The results suggest that the functional architecture of the cortex is a major determinant of the neuronal synchronization dynamics in V1, and may be that single gratings induce strong cooperative interactions among populations of cells that share similar response properties, whereas plaids lead to competition. Expand
...
1
2
3
4
5
...