IS THE VISUAL-FIELD TEMPORALLY HOMOGENEOUS

被引：21

作者：

ALLEN, D ^{[1
]}

HESS, RF ^{[1
]}

机构：

[1] UNIV CAMBRIDGE,PHYSIOL LAB,CAMBRIDGE CB2 3EG,ENGLAND

来源：

VISION RESEARCH | 1992年 / 32卷 / 06期

关键词：

TEMPORAL SENSITIVITY; PERIPHERAL VISION; TEMPORAL FILTERS;

D O I：

10.1016/0042-6989(92)90008-7

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

We asked the question "is the visual field temporally homogeneous when the well known spatial inhomogeneity is taken into account?" Our results show that the visual field exhibits inhomogeneity for stimuli of low spatial frequency for which the spatial inhomogeneity is minimal. This inhomogeneity takes the form of a reduction in sensitivity for stimuli of low temporal frequency in the periphery and an enhancement of sensitivity for stimuli of high temporal frequency in the periphery. The low temporal frequency loss in the periphery is post-receptoral and must involve a selective loss of sensitivity of the low pass filter. The enhanced high frequency sensitivity may be post-receptoral or purely receptoral. The consequence of such an inhomogeneity for subsequent stages of visual processing is discussed.

引用

页码：1075 / 1084

页数：10

共 36 条

[1]

BAKER CL, 1988, JPHYSL LONDON, V203, P237

[2]

BLAKEMORE CB, 1969, J PHYSIOL-LONDON, V407, P155

[3] SINUSOIDAL FLICKER CHARACTERISTICS OF PRIMATE CONES IN RESPONSE TO HETEROCHROMATIC STIMULI [J].