NDLI: Firing correlations improve detection of moving bars

Content Provider	IEEE Xplore Digital Library
Author	Kenyon, G.T. Theiler, J. Marshak, D.W. Moore, B. Jeffs, J. Travis, B.J.
Copyright Year	2003
Description	Author affiliation: Los Alamos Nat. Lab., NM, USA (Kenyon, G.T.)
Abstract	Moving stimuli elicit oscillatory responses from retinal ganglion cells at frequencies between 60-100 Hz. We used a computer model of the inner retina to investigate whether the additional firing synchrony resulting from stimulus-evoked high frequency oscillations could contribute to the detection of moving bars. The responses of the model ganglion cells were similar to those of cat alpha cells. Event trains from the model ganglion cells simulated by moving bars were summed into a threshold detector with short integration window (2-4 msec) whose output was classified by an ideal observer. To isolate the contribution from firing correlations, the model ganglion cells were replaced by independent Poisson generators with matched time-dependent event rates. Compared to this control, firing correlations between the model ganglion cells allowed for improved detection of moving stimuli.
Sponsorship	Int. Neural Network Soc. IEEE Neural Networks Soc
Starting Page	1274
Ending Page	1279
File Size	392840
Page Count	6
File Format	PDF
ISBN	0780378989
ISSN	10987576
DOI	10.1109/IJCNN.2003.1223877
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2003-07-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Bars Retina Frequency synchronization Feedback circuits Anatomy Laboratories Biomedical engineering Cities and towns Visual system Predictive models
Content Type	Text
Resource Type	Article

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