萨卡德的时空可预测性调节后萨卡德特征干扰干扰.
Tzu-Yao Chiu1,2,3, Isabel Jaen1,4, Julie D Golomb1,5,6
1Department of Psychology, The Ohio State University, Columbus, OH, USA.
Journal of vision
|December 1, 2025
概括
预测萨卡德 (眼球运动) 位置可以提高视觉感知稳定性. 空间可预测性减少了眼睛运动后特征感知中的错误,这表明预测有助于视觉处理.
科学领域:
- 认知神经科学 认知神经科学
- 视觉感知 视觉感知 视觉感知
- 眼神运动控制器的控制器
背景情况:
- 空间注意力和眼球运动对于视觉采样至关重要.
- 由于视网膜的转移,在saccades中保持注意力是具有挑战性的.
- 空间注意力的萨卡德重绘可能是不完美的,导致特征推理.
研究的目的:
- 为了研究时空时空的萨卡德可预测性如何影响后萨卡德重绘.
- 为了确定萨卡德可预测性是否会影响跨萨卡德的特征感知.
- 检查预测在维持感知稳定的作用.
主要方法:
- 两项预先注册的实验使用后性特征报告范式.
- 操纵空间和时间的萨卡德可预测性.
- 在实验2中空间和时间可预测性角色的分离.
主要成果:
- 无论是空间还是时间的萨卡德可预测性都提高了一般任务的性能.
- 空间冲刺可预测性特别减少了后冲刺特征干扰 (交换错误).
- 交换错误,当视网膜特征被错误地报告为空间特征时,随着可预测的萨卡德减少.
结论:
- 在后顺序重映射期间的系统特征干扰受顺序目标位置预期的影响.
- 预测即将到来的萨卡德位置在维持感知稳定性方面发挥着作用.
- 这突出了视觉感知在眼睛运动中的预测性.
更多相关视频
相关概念视频
Ecological Disturbance
16.1K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
16.1K
Microtubule Instability
5.0K
Microtubules are hollow cylindrical filaments having a diameter of approximately 25 nm and a length that varies from 200 nm to 25 μm. GTP-bound tubulin subunits form αβ-heterodimers for microtubule assembly. These core building blocks interact longitudinally, polymerizing into protofilaments. The protofilaments then interact with one another through lateral bonding forces to form stable cylindrical microtubules. These cylindrical filaments are dynamic as they undergo repeated...
5.0K
Atomic Absorption Spectroscopy: Interference
2.3K
Interference leads to systematic error in atomic absorption (AA) measurements by enhancing or diminishing the analytical signal or the background. These interferences can be grouped into three main categories: spectral interference, chemical interference, and physical interference.
Spectral interference occurs when signals from other elements or molecules overlap with the analyte signal, falsely elevating or masking the analyte's absorbance. This interference can be corrected using Zeeman,...
Spectral interference occurs when signals from other elements or molecules overlap with the analyte signal, falsely elevating or masking the analyte's absorbance. This interference can be corrected using Zeeman,...
2.3K
Atomic Emission Spectroscopy: Interference
785
In atomic emission spectroscopy (AES), high-temperature atomizers excite a broad range of elements and molecules that generate complex emissions from sources such as oxides, hydroxides, and flame combustion products in the flame or plasma. Several strategies can be employed to minimize spectral interferences caused by overlapping emission lines or bands. These include increasing instrument resolution, choosing alternative emission lines, optimally placing the detector in low-background regions,...
785
Controller Configurations
484
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
484
Time-Domain Interpretation of PD Control
500
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
Consider the example of control of motor torque. Initially, a positive...
500


