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A simple white noise analysis of neuronal light responses
- E. Chichilnisky
- 1 January 2001
A white noise technique is presented for estimating the response properties of spiking visual system neurons that provides a complete and easily interpretable model of light responses even for neurons that display a common form of response nonlinearity that precludes classical linear systems analysis.
Spatio-temporal correlations and visual signalling in a complete neuronal population
The functional significance of correlated firing in a complete population of macaque parasol retinal ganglion cells is analysed using a model of multi-neuron spike responses, and a model-based approach reveals the role of correlated activity in the retinal coding of visual stimuli, and provides a general framework for understanding the importance of correlation activity in populations of neurons.
The Structure of Multi-Neuron Firing Patterns in Primate Retina
Large-scale multi-electrode recordings were used to measure electrical activity in nearly complete, regularly spaced mosaics of several hundred ON and OFF parasol retinal ganglion cells in macaque monkey retina, and pairwise and adjacent interactions accurately accounted for the structure and prevalence of multi-neuron firing patterns.
Functional Asymmetries in ON and OFF Ganglion Cells of Primate Retina
Specific mechanistic asymmetries in retinal On and OFF circuits and differences in visual performance on the basis of the activity of ON and OFF parasol cells are suggested.
Electrical stimulation of mammalian retinal ganglion cells with multielectrode arrays.
- C. Sekirnjak, P. Hottowy, A. Sher, W. Dąbrowski, A. Litke, E. Chichilnisky
- BiologyJournal of neurophysiology
- 1 June 2006
It is concluded that electrical stimulation of mammalian retina with small-diameter electrode arrays is achievable and can provide high temporal and spatial precision at low charge densities.
Adaptation to Temporal Contrast in Primate and Salamander Retina
Findings indicate that contrast adaptation differs in parallel retinal circuits that convey distinct visual signals to the brain in both salamander and monkey RGCs.
Functional connectivity in the retina at the resolution of photoreceptors
Measurements of functional connectivity between the input and ouput layers of the macaque retina at single-cell resolution reveal computations in a neural circuit at the elementary resolution of individual neurons.
Prediction and Decoding of Retinal Ganglion Cell Responses with a Probabilistic Spiking Model
- Jonathan W. Pillow, L. Paninski, V. Uzzell, Eero P. Simoncelli, E. Chichilnisky
- BiologyThe Journal of Neuroscience
- 23 November 2005
The fitted model predicts the detailed time structure of responses to novel stimuli, accurately capturing the interaction between the spiking history and sensory stimulus selectivity, and can be used to derive an explicit, maximum-likelihood decoding rule for neural spike trains.
Information processing in the primate retina: circuitry and coding.
These findings provide a much more accurate view of the parallel visual pathways emanating from the retina than do previous models, and they highlight the importance of identifying distinct cell types and their connectivity in other neural circuits.
Precision of spike trains in primate retinal ganglion cells.
The spike time and count variability of parasol (magnocellular-projecting) retinal ganglion cells was examined in isolated macaque monkey retinas stimulated with repeated presentations of high contrast, spatially uniform intensity modulation.