这是一个匹配! 对特定目标的及时响应可以提高并发任务处理的速度
1Department of Psychology, University of Minnesota.
概括
注意力提升效应 (ABE) 在多任务处理过程中增强记忆力. 这项研究表明,制定目标和响应决策的速度,而不仅仅是决策本身,影响了这种记忆增强.
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.
背景情况:
- 多任务处理往往会导致认知干扰.
- 矛盾的是,注意力提升效应 (ABE) 在将注意力转向要求高的目标时,可以改善对并发刺激的记忆.
- 之前的理论将ABE与在目标分类过程中从状部释放的北上腺素联系起来.
研究的目的:
- 调查目标分类和响应决策是否是影响ABE的所有或没有的过程.
- 确定这些决定的过程是否调节了ABE.
- 检查决策速度在ABE和时间定位响应中的作用.
主要方法:
- 参与者在监控字母流的同时执行了连续的内存编码任务.
- 目标识别包括精确搜索 (特定字母) 或类别搜索 (字母组).
- 响应时间被操纵:即时响应或对目标的延迟响应.
主要成果:
- 与精确搜索相比,类别搜索中的记忆益处在类别搜索中减少.
- 延迟反应导致记忆效益低于立即反应.
- 尽管在所有条件下成功识别和响应目标,但这些影响仍然存在.
结论:
- 针对ABE的目标和响应决策并不以一切或没有的方式运行.
- 注意力提升效应和时间定位反应对感知和响应决策的速度敏感.
- 决策速度是调节在需要注意力的任务期间增强记忆力的关键因素.
相关概念视频
Timing and Consequences on Behavior
90
In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective.
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
90
Diversity in Cell Signaling Responses
6.4K
The physiological function of a cell and cellular communication are outcomes of a range of extrinsic signals, intracellular signaling pathways, and cellular responses. No two cell types express the same repertoire of signaling components. Receptors are highly selective for their cognate ligands, but once activated, they can alter multiple cellular processes such as DNA transcription, protein synthesis, and metabolic activity.
Graded and Abrupt Responses
Some signaling systems generate...
Graded and Abrupt Responses
Some signaling systems generate...
6.4K
Targeted Cancer Therapies
7.6K
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
There are several types of targeted therapies against...
7.6K


