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Mapping the visual cortex with Zebra noise and wavelets

delete2026-01-01
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PRE
AI
S
Sophie Skriabine
M
Maxwell Shinn *
S
Samuel Picard
K
Kenneth D. Harris
M
Matteo Carandini
DOI:10.1167/jov.26.1.1delete
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摘要

摘要

En 中文
对早期视觉系统的研究通常需要表征大量神经元群体的视觉偏好。这项任务通常需要多种刺激,如稀疏噪声和漂移光栅,每种刺激只能探查有限的视觉特征。本研究介绍了一种带有锐利边缘条纹的新型动态刺激,我们称之为斑马噪声(Zebra noise),以及一种基于小波(wavelets)的新分析模型,并证明两者结合能够高效地绘制数千神经元视觉偏好的多个方面。我们使用双光子钙成像记录小鼠视觉皮层中神经元的活动。斑马噪声诱发了比传统刺激更强的重复性响应。基于小波的模型捕捉了这些响应的重复性特征,提供了对多种刺激特征(位置、朝向、大小、空间频率、漂移率和方向)的神经元调谐度量。该方法被证明是高效的,仅需5分钟的刺激(重复三次)即可表征视觉区域中数千个神经元的调谐特性。综合来看,斑马噪声刺激和基于小波的模型提供了一套广泛适用的工具包,可用于快速表征视觉表征,有望加速未来视觉功能的研究。
Keyword:
SIMPLE RECEPTIVE-FIELDS
SPATIAL STRUCTURE
MOUSE
RESPONSES
CELLS
ORGANIZATION
DYNAMICS
AREAS
MODEL
EYE

期刊

J
Journal of Vision
IF:
2.3
论文数:
120
被引数:
0

机构

U
university college london
学者数:
8.9K
论文数: 4.8K
被引数: 1
U
university of london
学者数:
21.5W
论文数: 19.7W
被引数: 305
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