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Contrast sensitivity at low spatial frequencies in the hooded rat.

作者信息

Legg C R

出版信息

Vision Res. 1984;24(2):159-61. doi: 10.1016/0042-6989(84)90101-9.

DOI:10.1016/0042-6989(84)90101-9
PMID:6710877
Abstract

Behavioural methods were used to measure spatial contrast sensitivity, to vertical sine-wave luminance profile gratings, in hooded rats. Low frequency attenuation of sensitivity was observed at spatial frequencies below 0.1c/deg. This attenuation exceeded that produced by varying the number of periods in the grating, indicating that it was a function of spatial frequency as well as number of periods.

摘要

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