视觉搜索是关系式的,没有先前的上下文学习
Stefanie I Becker1, Zachary Hamblin-Frohman1, Koralalage Don Raveen Amarasekera1
1School of Psychology, The University of Queensland, Brisbane, Australia.
Cognition
|April 5, 2025
概括
视觉注意力可以快速调整到相对特征,甚至在没有先前背景的情况下指导搜索. 我们首先优先考虑极端项目,然后细化焦点,展示关系式搜索策略.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 视觉感知 视觉感知 视觉感知
背景情况:
- 著名的模型建议注意调节到特定的特征值.
- 研究表明,人们的注意力往往集中在相对特征上 (例如,红色/绿色) 与周围的物品相比.
- 之前的研究使用了有限的设计,留下了关于注意前关系调和搜索进度的问题.
研究的目的:
- 调查注意力是否可以在第一个眼睛运动之前调整到相对特征.
- 确定是否需要上下文知识来进行关系特征调整.
- 了解视觉搜索如何通过显示器进行.
主要方法:
- 使用了36项搜索显示器,具有多个分心器和可变颜色.
- 分析了第一个固定数据,以评估初始搜索行为.
- 检查了试验中的前五个固定点,以跟踪搜索进展.
主要成果:
- 即使没有先前的上下文知识,也可靠地唤起了关系性搜索.
- 观察者的第一次固定显示了对相对特征的调整.
- 搜索进度包括首先选择最极端的项目,然后选择较不极端的项目.
结论:
- 关于相对目标特征的信息被快速提取,并指导初始搜索.
- 注意力可以在第一个眼睛运动之前调整到相对特征上,独立于上下文.
- 视觉搜索通过优先考虑极端项目的进展,在多次固定后,注意力缩小到特定的目标特征.
相关概念视频
Associative Learning
255
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
Classical conditioning, also known...
255
Visual Agnosia
170
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
170
Observational Learning
106
Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning...
106
Retrieval
53
Retrieval is the process of getting information out of memory storage and back into conscious awareness. This ability is essential for daily tasks like brushing hair and teeth, driving to work, and performing job duties. Retrieval occurs in three ways: recall, recognition, and relearning.
Recall involves accessing information without cues, such as during an essay test, where individuals must retrieve facts and concepts from memory unaided. Another example is remembering the name of a colleague...
Recall involves accessing information without cues, such as during an essay test, where individuals must retrieve facts and concepts from memory unaided. Another example is remembering the name of a colleague...
53
Purposive Learning
95
E. C. Tolman emphasized the purposiveness of behavior — the idea that much of our behavior is goal-directed. For instance, employees who aim for a promotion work diligently to meet their targets. Tolman argued that when classical conditioning and operant conditioning occur, the organism acquires certain expectations. In classical conditioning, a child might fear a dog because they expect it to bite. In operant conditioning, a person might consistently work overtime because they expect a...
95
Introduction to Learning
311
Learning is the process of acquiring knowledge or skills through practice or experience, leading to long-lasting behavioral changes. This acquisition occurs through interaction with the environment and requires practice or experience. For instance, mastering a skill such as surfing requires considerable practice and experience, highlighting the essential role of repeated interactions with the environment in learning.
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
311


