Estimating stimulus response latency

被引:42
作者
Friedman, HS
Priebe, CE
机构
[1] Johns Hopkins Univ, Dept Math Sci, Baltimore, MD 21218 USA
[2] Johns Hopkins Univ, Dept Biomed Engn, Baltimore, MD 21218 USA
关键词
latency; peri-stimulus histogram; change-point estimation; maximum likelihood estimation; least squares estimation; nuisance parameter;
D O I
10.1016/S0165-0270(98)00075-2
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Stimulus response latency is the delay in the onset of stimulus-evoked neuronal activity. We develop maximum likelihood and least squares estimators of stimulus response latency and present a comparison of the performance of these methods with estimators commonly used in the neuroscience literature. The formal statistical change-point estimation problem is nontrivial due to the inclusion of a 'nuisance parameter', the end of stationarity in the stimulus-evoked activity. Our results suggest that the automation of the estimation of stimulus response latency will benefit from the use of the maximum likelihood estimator. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:185 / 194
页数:10
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