Movement Detection Properties and Structure of Stationary Receptive Fields of Single Neurons in the Cat Extrastriate Area 21a

被引：0
|
作者：
Aslanian, H. R. [1 ]
Khachvankian, D. K. [1 ]
Harutiunian-Kozak, B. A. [1 ]
Tokhmakhyan, G. G. [1 ]
Khachatrian, T. S. [1 ]
Kozak, J. A. [2 ]
机构：
[1] Natl Acad Sci Armenia, Inst Appl Problems Phys, Lab Sensory Physiol, Yerevan, Armenia
[2] Wright State Univ, Dept Neurosci Cell Biol & Physiol, Dayton, OH 45435 USA
来源：
NEUROPHYSIOLOGY | 2014年 / 46卷 / 01期
关键词：
cortical extrastriate area 21a; receptive field (RF); stationary RF structure; moving visual stimuli; SIMPLE STRIATE NEURONS; LATERAL CONNECTIVITY; RESPONSES; CORTEX; CELLS; EXCITATION; ASYMMETRY; DIRECTION; NETWORKS; STIMULI;
D O I：
10.1007/s11062-014-9404-y
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
Response patterns of single neurons in the extrastriate area 21a of the cat cortex to moving visual stimuli were studied, along with juxtaposition to the structure of their stationary receptive fields. First, the precise mapping of stationary RFs was performed by flashing bright spots; then, moving visual stimuli of different shapes and sizes with two opposite contrasts were presented. We found that the majority of investigated neurons with a homogenous stationary RF organization demonstrate significant differences in their activity profiles depending on the size, shape, and contrast of the applied moving visual stimulus. The data obtained support a model in which the RF stationary structure undergoes specific dynamic changes due to simultaneous activation of the RF surround by the moving visual image; this provides more accurate incorporation of moving image information in movement detection.
引用
收藏
页码：43 / 49
页数：7
相关论文
共 50 条
  • [1] Movement Detection Properties and Structure of Stationary Receptive Fields of Single Neurons in the Cat Extrastriate Area 21a
    H. R. Aslanian
    D. K. Khachvankian
    B. A. Harutiunian-Kozak
    G. G. Tokhmakhyan
    T. S. Khachatrian
    J. A. Kozak
    [J]. Neurophysiology, 2014, 46 : 43 - 49
  • [2] Spatial organization of receptive fields and dynamic peculiarities of neurons of the extrastriate area 21a of the cat cerebral cortex
    D. K. Khachvankyan
    J. A. Kozak
    G. G. Grigoryan
    A. B. Sharanbekian
    T. K. Kipriyan
    B. A. Harutiunian-Kozak
    [J]. Neurophysiology, 2008, 40
  • [3] Spatial Organization of Receptive Fields and Dynamic Peculiarities of Neurons of the Extrastriate Area 21a of the Cat Cerebral Cortex
    Khachvankyan, D. K.
    Kozak, J. A.
    Grigoryan, G. G.
    Sharanbekian, A. B.
    Kipriyan, T. K.
    Harutiunian-Kozak, B. A.
    [J]. NEUROPHYSIOLOGY, 2008, 40 (02) : 105 - 114
  • [4] Orientation sensitive properties of visually driven neurons in extrastriate area 21a of cat cortex
    Harutiunian-Kozak, B. A.
    Grigorian, G. G.
    Kozak, J. A.
    Sharanbekian, A. B.
    Sarkisyan, G. S.
    Khachvankian, D. K.
    [J]. ARCHIVES ITALIENNES DE BIOLOGIE, 2008, 146 (02): : 119 - 130
  • [5] Dynamics of neuronal receptive field spatial parameters in extrastriate area 21a of the cat cortex
    Ghazaryan, A.
    Khachvankian, D.
    Harutiunian-Kozak, B.
    [J]. PERCEPTION, 2011, 40 : 76 - 77
  • [6] Responses of Cortical Extrastriate Area 21a Neurons Specialized in Motion Detection
    D. K. Khachvankian
    H. R. Aslanian
    B. A. Harutiunian-Kozak
    A. L. Ghazaryan
    J. A. Kozak
    [J]. Neurophysiology, 2015, 47 : 191 - 197
  • [7] Responses of Cortical Extrastriate Area 21a Neurons Specialized in Motion Detection
    Khachvankian, D. K.
    Aslanian, H. R.
    Harutiunian-Kozak, B. A.
    Ghazaryan, A. L.
    Kozak, J. A.
    [J]. NEUROPHYSIOLOGY, 2015, 47 (03) : 191 - 197
  • [8] Dynamic Spatial Organization of Receptive Fields of Neurons in the 21a Cortical Area
    Harutiunian-Kozak, B. A.
    Khachvankyan, D. K.
    Grigoryan, G. G.
    Kozak, J. A.
    Sharanbekyan, A. B.
    [J]. NEUROPHYSIOLOGY, 2010, 42 (03) : 175 - 184
  • [9] Dynamic Spatial Organization of Receptive Fields of Neurons in the 21a Cortical Area
    B. A. Harutiunian-Kozak
    D. K. Khachvankyan
    G. G. Grigoryan
    J. A. Kozak
    A. B. Sharanbekyan
    [J]. Neurophysiology, 2010, 42 : 175 - 184
  • [10] Spatial summation processes in the receptive fields of visually driven neurons of the cat's cortical area 21a
    Harutiunian-Kozak, B. A.
    Sharanbekian, A. B.
    Kazarian, A. L.
    Grigorian, G. G.
    Kozak, J. A.
    Sarkisyan, G. S.
    Khachvankian, D. K.
    [J]. ARCHIVES ITALIENNES DE BIOLOGIE, 2006, 144 (3-4): : 127 - 144
12345