探索多稳定点网中的靠近原则的感知分组:视觉对感知和视觉对行动之间的分离
Hamze Moazzen1, Shahriar Gharibzadeh1, Fatemeh Bakouie2
1Institute for Cognitive and Brain Sciences, Shahid Beheshti University, Tehran, Iran.
Attention, perception & psychophysics
|August 1, 2024
概括
这项研究揭示了我们的视觉为行动系统对近距离原理比视觉为感知原理更敏感. 这影响了我们如何感知对象定向,有利于那些提供更大的负担能力的人.
科学领域:
- 视觉感知研究 视觉感知研究
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
背景情况:
- 感知分组,特别是近距离原则,对于视觉解释至关重要.
- 两种视觉系统 (TVS) 模型区分视觉为感知 (腹部流) 和视觉为行动 (背部流).
研究的目的:
- 在TVS模型框架内调查近距离原则的影响.
- 为了比较视觉为感知和视觉为行动之间的近距离和定向偏差的敏感性.
主要方法:
- 使用点格子和直线定向歧视任务.
- 通过语音,鼠标,操纵杆和笔纸方法收集数据,区分感知模式.
- 应用指数和功率模型用于近距离数据的拟合和线性混合效应模型用于统计分析.
主要成果:
- 在所有条件下,直线导向区分的准确性是一致的.
- 一个指数模型最适合近距离数据,在两个感知模式中支持纯距离定律.
- 视觉为行动显示出对近距离的敏感性比视觉为感知更高.
- 观察到明显的定向偏差:垂直的视觉感知和斜的视觉行动.
- 自由绘制的线条表明了视觉对行动的负担能力偏差,与身体姿势和工具有关.
结论:
- 这两种视觉系统对近距离原理的敏感性不同.
- 导向偏好是由预期的行动调节的,这表明一种以负担能力为导向的感知.
- 这些发现突出了视觉处理,动作和环境相互作用之间的相互作用.
相关概念视频
Gestalt Principles of Perception
286
Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
286
Parallel Processing
149
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
149
Depth Perception and Spatial Vision
616
Depth perception is the ability to perceive objects three-dimensionally. It relies on two types of cues: binocular and monocular. Binocular cues depend on the combination of images from both eyes and how the eyes work together. Since the eyes are in slightly different positions, each eye captures a slightly different image. This disparity between images, known as binocular disparity, helps the brain interpret depth. When the brain compares these images, it determines the distance to an object.
616
Visual System
563
Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
Once through the pupil, the light passes through the lens, a...
563
Perceptual Constancy
376
Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...
376
Color Vision
548
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
548


