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相关概念视频

Serial Position Effect01:03

Serial Position Effect

491
The serial position effect is a cognitive phenomenon where individuals are more likely to recall the first and last items in a list compared to those in the middle. This effect is divided into the primacy effect and the recency effect. The primacy effect is observed when the initial items in a list are remembered better. This occurs because these items are rehearsed more frequently or receive more elaborative processing, allowing them to be encoded into long-term memory more effectively. For...
491
Automatic Processing and Automatic Social Behavior01:28

Automatic Processing and Automatic Social Behavior

199
Automatic processing refers to the cognitive operations that occur without conscious intent or awareness, playing a fundamental role in shaping social cognition and behavior. These processes enable individuals to navigate complex social environments efficiently by relying on mental shortcuts and pre-existing knowledge structures known as schemas. One of the most influential mechanisms underlying automatic processing is priming, which subtly activates mental representations through exposure to...
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First Impression01:09

First Impression

171
First impressions play a crucial role in social perception, shaping how individuals assess others in professional, academic, and interpersonal contexts. Psychological research highlights the significance of cognitive biases, such as the primacy and recency effects, which influence how people interpret and recall information.The Primacy Effect and Cognitive AnchoringThe primacy effect describes the tendency for initial information to impact judgment disproportionately. When individuals encounter...
171
Implicit Memories01:24

Implicit Memories

414
Implicit memories, also known as non-declarative memories, are long-term memories that function outside of conscious awareness. These memories influence behavior and skills without explicit knowledge. This type of memory is evident in tasks like playing tennis, snowboarding, and texting. Implicit memory has three subsystems: procedural memory, conditioning, and priming. This type of memory is essential in various activities, from everyday tasks to specialized skills.
One key aspect of implicit...
414

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相关实验视频

Updated: Jan 9, 2026

A Semantic Priming Event-related Potential ERP Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
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上下准备有助于在单元搜索中进行试验间的初始化.

Ben Sclodnick1, Hong-Jin Sun2, Bruce Milliken2

  • 1Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, Ontario, L8S 4K1, Canada. sclodnbc@mcmaster.ca.

Attention, perception & psychophysics
|December 7, 2025
PubMed
概括

上下准备,即使随机排列,也可以提高单元搜索性能. 这个效果受到时间和显示尺寸的影响,显示内存表示会影响视觉搜索.

关键词:
注意力 注意力 注意力 注意力准备 准备 准备选择历史记录 选择历史记录选择性的注意力选择性注意力一个单人搜索单人搜索.

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科学领域:

  • 认知心理学 认知心理学
  • 视觉感知 视觉感知 视觉感知
  • 人类的注意力人类的注意力

背景情况:

  • 上下控制显著影响视觉搜索.
  • 以前的研究表明,一致的准备速度搜索超过200 ms.
  • 目前的研究调查了试验对试验准备的效果.

研究的目的:

  • 为了确定随机排列的上下准备是否会影响单元搜索性能.
  • 检查时间间隔对这种预备效应的影响.
  • 评估显示尺寸对准备效果的影响.

主要方法:

  • 参与者在为特定的颜色做准备后执行了一个单元搜索任务.
  • 准备线索在逐个试验的基础上以不可预测的方式呈现.
  • 时间间隔和显示尺寸在实验中被操纵.

主要成果:

  • 与一致的准备相比,随机编排的准备产生了较小但显著的搜索性能提升.
  • 准备效应对时间间隔的敏感性仅在试验对试验的提示下观察到.
  • 搜索性能增强随着显示尺寸的增加而下降,但在9个项目中保持稳健.

结论:

  • 从单个和多个上下控制实例的内存表示影响随后的视觉搜索.
  • 试验对试验的准备可以有效调节视觉搜索,尽管它的规模和时间灵敏度不同于一致的准备.
  • 这些发现强调了视觉注意力上下控制的动态性质.