注意力对形状和运动模式之间的不对称序列依赖以及它们的计算过程的影响
Qian Sun1,2, Si-Yu Wang1, Meng-Ying Sun1
1Department of Psychology, Zhejiang Normal University, Jinhua, China.
Frontiers in psychology
|April 24, 2025
概括
扩张 (FoE) 估计的焦点中的连续依赖是不对称的. 正如贝叶斯模型所解释的那样,注意力和工作记忆影响着静态形式和动态光流之间的这些偏差.
科学领域:
- 视觉感知 视觉感知 视觉感知
- 认知心理学 认知心理学
- 计算神经科学是一种计算神经科学.
背景情况:
- 视觉感知中的连续依赖可能是不对称的.
- 之前的研究表明,静态形式和动态光流显示器之间的焦点扩张 (FoE) 估计不对称.
研究的目的:
- 调查注意力对静态形式和动态光流 FoE 估计之间的序列依赖性的影响.
- 使用贝叶斯模型探索这些注意力效应背后的计算机制.
主要方法:
- 进行了两项实验,以评估在不同注意力负载下对串行依赖的情况.
- 贝叶斯推理模型,包括一个具有工作记忆的模型,是为了预测观察到的效应而开发的.
主要成果:
- 形式FOE对先前流量FOE的连续依赖,即使在大型流动刺激下也持续存在.
- 流动FoE对以前形式FoE的连续依赖性随着更大的形式刺激而减少.
- 发现注意力和工作记忆能够调节这些不对称的串行依赖.
结论:
- 无论注意力状态如何,形式和流量FoE估计之间的连续依赖是不对称的.
- 纳入工作记忆的贝叶斯模型更好地解释了对串行依赖的注意力效应.
- 注意调节感官表示的确定性,影响视觉感知偏差.
更多相关视频
13:00Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
Published on: January 23, 2017
9.8K
06:46Investigating the Deployment of Visual Attention Before Accurate and Averaging Saccades via Eye Tracking and Assessment of Visual Sensitivity
Published on: March 18, 2019
7.0K
相关概念视频
Relation between Poisson's ratio, Modulus of Elasticity and Modulus of Rigidity
Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
Eccentric Axial Loading in a Plane of Symmetry
Eccentric axial loading occurs when an axial load is applied away from the centroidal axis of a structural member. This scenario is common in engineering, where structural elements may not be directly aligned due to various design or functional requirements.
Unsymmetric Bending
Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from those in symmetrical bending, and are essential for designing structures to withstand different loading conditions. In unsymmetrical bending, the neutral axis—where stress is zero—does not necessarily align with the geometric axes of the cross-section. The orientation of the...
General Case of Eccentric Axial Loading
Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical bending,...
Consider a member subjected to equal and opposite forces that are applied along a line that does not coincide with the member's neutral axis. In unsymmetrical bending,...
Properties of Fourier series II
Time scaling of signals is a crucial concept in signal processing that affects the Fourier series representation without altering its coefficients. The process modifies the fundamental frequency, thereby changing how the series represents the signal over time. This principle is essential in various applications, including audio and image processing, where signal manipulation is frequent. Understanding function symmetries is fundamental to simplifying the Fourier series.
A function f(t) is...
A function f(t) is...
Geometric Sequences
In systems where values diminish by a constant proportion at each stage, the resulting sequence follows a geometric structure. Each new value in the sequence is obtained by applying a fixed multiplier to the preceding term. This regular, proportional decline type is often used to represent processes involving gradual loss, such as energy dissipation or reduction in amplitude over time.When analyzing the total effect of such a process across unlimited iterations, the series of values is referred...
