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Titolo:
A METHOD FOR DETERMINING PHOTORECEPTOR SIGNAL-TO-NOISE RATIO IN THE TIME AND FREQUENCY DOMAINS WITH A PSEUDORANDOM STIMULUS
Autore:
KOUVALAINEN E; WECKSTROM M; JUUSOLA M;
Indirizzi:
UNIV OULU,BIOCTR,DEPT PHYSIOL,KAJAANINTIE 52A SF-90220 OULU FINLAND UNIV OULU,ORBIS SENSORIUS OULU SF-90220 OULU FINLAND
Titolo Testata:
Visual neuroscience
fascicolo: 6, volume: 11, anno: 1994,
pagine: 1221 - 1225
SICI:
0952-5238(1994)11:6<1221:AMFDPS>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
BLOWFLY PHOTORECEPTORS; RETINA; CALLIPHORA; ADAPTATION; RESPONSES; LIMULUS; PUPIL;
Keywords:
NONSPIKING; SIGNAL ANALYSIS; VISION; CONTRAST CODING; CONTRAST SENSITIVITY;
Tipo documento:
Note
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
27
Recensione:
Indirizzi per estratti:
Citazione:
E. Kouvalainen et al., "A METHOD FOR DETERMINING PHOTORECEPTOR SIGNAL-TO-NOISE RATIO IN THE TIME AND FREQUENCY DOMAINS WITH A PSEUDORANDOM STIMULUS", Visual neuroscience, 11(6), 1994, pp. 1221-1225

Abstract

We have developed a method that utilizes repeated sequences of pseudorandomly modulated stimuli for calculation of the SNR either in the time or frequency domains. The method has the advantage that the distribution of SNR over relevant frequencies is readily observed. In addition, a SNR value, calculated as the ratio of the corresponding variances, is an estimate of the true SNR because it has been weighted by the cell's frequency response. The procedure offers significant advantages when studying signal transmission in nonspiking cells like photoreceptors.

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Documento generato il 05/12/20 alle ore 19:26:55