初级视皮层

LONGEVANS鼠初级视皮层眼优势柱可塑性的发育性变化

The Developmental Change of Ocular Dominance Plasticity in the Primary Visual Cortex of Long Evans Rats

人脑初级视皮层内事件相关型视觉刺激fMRIBOLD响应特性初步研究

On properties of event-related fMRI BOLD response in primary visual cortex of human brain during visual stimulation

受人类视觉初级视皮层（V1）环境感知机制的启发，提出了一种以gabor积分模块为核心的自然图像目标轮廓提取模型与方法。

Inspired from the environmental perception system of V1 of biological vision , this paper presents a contour extraction model and method for natural image centered on Gabor integrator .

目的利用二维电泳-质谱技术分析LONGEVANS大鼠初级视皮层中与眼优势柱终止相关的蛋白质，探索蛋白质组学技术在视觉可塑性研究中的应用。

Objective To analyze the protein related with ocular dominance plasticity termination in visual cortical area 17 of Long Evans rats by two-dimensional gel electrophoresis and mass spectrometry , and discuss the application of proteome technology in the study of visual plasticity .

用常规免疫形态学方法比较青年猫和老年猫初级视皮层内GFAP免疫阳性（GFAP-IR）星形胶质细胞的活动状况。

We comparatively observed the activity of GFAP-immunoreactive ( GFAP-IR ) astrocytes in the primary visual cortex of both old and young adult cats using general immunohistochemistry method .

初级视皮层（V1区）在视觉系统中主要负责提取图像的颜色、形状及方向等信息，在图像信息的处理整合中具有重要作用。

Primary visual cortex ( V1 area ) in the visual system is responsible for extracting the image color , shape and direction information , and plays an important role in the integration of image information .

稀疏编码算法最初是作为自然图像的神经编码模型而提出的，主要用于模拟哺乳类生物视觉系统初级视皮层V1区简单细胞的视觉加工过程。

The sparse coding algorithm was originally developed as a neural model for natural images , in order to simulate the visual processing of simple cells in the primary visual cortex ( area V1 ) of mammals .

急性视神经损伤早期（尤其2h～3d）初级视皮层的c-Jun、c-Fos蛋白表达呈相反态势，提示这两组转录因子可能通过作用相反的途径在初级视皮层引起不同的效应。

The opposite expression of c-Jun and c-Fos in the primary visual cortex in early stage , especially 2h ~ 3d , postoperation of optic nerve injury pointed out for us that these two groups of transcription factors may act in opposite direction in the primary visual cortex .

发现老年猫初级视皮层灰质各层及白质内的GFAP-IR细胞密度比青年猫的显著升高（p0.001）。

Our results showed that the mean density of GFAP-IR cells in each cortical layer and the white matter of V1 in old cats were significantly higher than in young adult cats ( p0.001 ) .

结论斜视性弱视的病理缺陷在纹外视皮层表现更为严重，21a区较初级视皮层发生了神经元眼优势分布的转移。

Conclusion The shift of ocular dominance in strabismic amblyopia occurs in area 21a and the neuronal deficit of strabismic amblyopia is severer in the extrastriate cortex than the primary visual cortex .

最初，对适应的研究主要集中在初级视皮层区域。

At first , adaptation studying focuses on the primary visual cortex .

基于初级视皮层抑制的轮廓检测方法

Contour detection based on inhibition of primary visual cortex

脑光学成像技术揭示的猫初级视皮层方位倾斜效应

The oblique effect revealed by optical imaging in primary visual cortex of cats

大鼠丘脑侧后核到初级视皮层突触传递的短时程可塑性

The Short-term Plasticity of Synaptic Transmission From Rat Lateral Posterior Thalamic Nucleus to Primary Visual Cortex

大鼠睁眼前初级视皮层2/3层锥体神经元突触自身稳态可塑性的变化特征

Homeostatic synaptic plasticity in 2 / 3 layers of rats primary visual cortex before eyes opening

用脑光学成像术研究不同空间拓扑位置猫初级视皮层的空间频率反应特性

Spatial frequency tuning characteristics of cat primary visual cortex at different topological locations by optical imaging

这两种刺激都能增强初级视皮层神经元的眼球位置相关活动，并相应地使受眼球位置调制的神经元的比例明显增加。

Both stimuli significantly enhanced the eye-position related activities and correspondingly increased the incidence of the eye-position dependent neurons .

视觉刺激对猴初级视皮层神经元眼球位置效应的影响

Influence of visual stimuli on eye-position related activities of neurons in primary visual cortex ( v1 ) of awake monkeys

本文在分析生物视觉初级视皮层信息处理机制基础上，构建了自然场景的目标轮廓提取方法。

This paper establishes target contour extraction method for natural scenes based on the analysis the information processing system of V1 .

视觉系统作为生物感知外界信息的重要系统，几乎所有的信息都需要经过初级视皮层的处理。

The animal visual system is the main system of external information perception , almost all of information is processed in the primary visual cortex .

哺乳动物的初级视皮层神经元具有眼优势，左、右眼优势的双眼细胞是按垂直于皮层表面的柱状交替排列的，即形成眼优势柱。

Neurons in mammalian primary visual cortex have ocular dominance , and binocular neurons of right or left dominance respectively array in alternant columns perpendicular to the surface of cortex , namely ocular dominance columns .

此外，当初级视皮层失活后，方位适应仍然能导致反应的下降，但是最优方位没有表现出系统的改变。

Moreover , when the primary visual cortex was inactivated , the response at the adapting orientation was also decreased but the preferred orientation did not show a systematic shift after orientation adaptation in LGN .

这个效应和在猫的初级视皮层观察到的方位适应效应相似，并且当适应方位处于相对于适应前最优方位的合适的位置时最显著。

This phenomenon was similar to the effects observed for orientation adaptation in the primary visual cortex , and was obvious when the adapting orientation was at an appropriate location relative to the original preferred orientation .

在模拟初级视皮层对图像进行稀疏表示的基础上，引入同步振荡机制，构建了一个由预处理层、稀疏表示层、同步振荡层构成的三层图像表征模型。

Synchronous oscillation mechanism was used to build image representation model on the foundation of images sparse representation . This model is a three layer model consists of preprocessing layer , sparse representation layer and synchronous oscillation layer .

经过数十年、来自各个领域学者的研究，虽然初级视皮层中还有一部分内容不为人类所知，但它是现今人类最为了解的大脑视觉功能区。

After several decades , with the study of scholars from various fields , though there are still some parts of the primary visual cortex is unknown ; it is the most studied area of the human visual cortical areas .

由于初级视皮层对于各类静态信息，运动信息有着强大的信息并行处理能力以及对信息的重组加工机制，所以在模型的功能可移植性上进行进一步探索也是研究工作的一部分。

The primary visual has a strong parallel processing capabilities and information reorganizing mechanism for various types of static information , motion information , so the portability of transfer the model into another function is a part of the future work .

在可塑性关键期内，初级视皮层对视觉输入的变化非常敏感，单眼剥夺将导致眼优势柱由被剥夺眼向开放眼移动。

The primary visual cortex is especially sensitive to the changes in visual input over a critical period of plasticity , during which depriving one eye leads to a shift of ocular dominance columns from the deprived eye to the open eye .

稀疏编码作为一种模拟哺乳动物初级视觉系统主视皮层v1区简单细胞感受野的人工神经网络的方法，能够有效地提取图像的内部特征，同时还可以获得图像的最大的信息量。

Sparse coding as an artificial neural network method can model the receptive fields of simple cells in the mammalian primary visual cortex ( area V1 ) in brain , and can effectively extract the internal features of the image .