subthreshold

简明释义

[sʌbˈθreʃhəʊld][sʌbˈθreʃˌoʊld]

adj. 阈下的;低于最低限度的;不足以引起反应的

英英释义

Referring to a level or amount that is below the threshold required to produce a certain effect or response.

指低于产生某种效果或反应所需的阈值或数量的水平。

单词用法

subthreshold activation

下阈激活

subthreshold level

下阈水平

subthreshold response

下阈反应

subthreshold dose

下阈剂量

subthreshold noise

下阈噪声

subthreshold condition

下阈条件

同义词

below threshold

低于阈值

subthreshold stimuli can still influence behavior without being consciously perceived.

低于阈值的刺激仍然可以在不被意识感知的情况下影响行为。

suboptimal

亚最佳

The suboptimal performance of the system indicates that improvements are necessary.

系统的亚最佳性能表明需要改进。

minor

微小的

Minor changes in the environment can lead to significant effects over time.

环境中的微小变化可能随着时间的推移导致显著的效果。

反义词

threshold

阈值

The stimulus reached the threshold level required for detection.

刺激达到了检测所需的阈值水平。

supra-threshold

超阈值

Supra-threshold responses are often used in sensory testing.

超阈值反应常用于感觉测试。

例句

1.AIM: To study the effects of noise on the subthreshold membrane potential oscillation (SMPO) and firing of neurons.

目的:研究噪声对阈下膜电位振荡和神经元放电的影响。

2.A rate equation model is described in this paper for the single mode multiline emis- sion from a hybrid TEA-CO_2 laser for subthreshold operation of CW section.

本文为混合型TEA—CO_2激光器亚阀值单模多线运转提出了一种改进的速率方程模型。

3.The design technique for a CMOS four quadrant analog multiplier is presented, which is based on the characteristics of the MOSFET subthreshold region.

讨论了基于MOS晶体管亚阈值区特性的CMOS四象限模拟乘法器的设计。

4.The bipolar transistors or the resistors in the traditional current reference were replaced by MOS transistors working in the subthreshold region to achieve an all CMOS current reference.

利用工作在亚阈值区的MOS管代替传统电流基准中的三极管或电阻器件,实现了一款全cmos器件的电流基准。

5.The investigators defined subthreshold bipolar disorder as recurrent hypomania (mild hypomania) without a major depressive episode or with fewer symptoms than required for threshold hypomania.

研究者把轻度躁狂复发而没有严重的抑郁发作或者比轻度躁狂阈值要小得多的症状类型定义为亚型双向精神障碍。

6.Risk increases incrementally, and if we use the definition of metabolic syndrome, we would not catch any of the patients with these subthreshold increases in risk factors.

风险逐步增加,如果我们用代谢综合征的定义,我们就不会注重那些在阈下的危险因子增加的病人。

7.Objective To investigate the synergistic analgesic action of rotundine combined with subthreshold dose of dolantin.

目的观察罗通定与阈下剂量哌替啶合用后对哌替啶镇痛作用的影响。

8.The degradations of device output conductance, subthreshold conduction and RF characteristics are also analyzed.

对器件的亚阈区导电和RF等特性的热载流子退化,也作了相应的分析。

9.They found that people with subthreshold hypomania have higher rates of anxiety and substance abuse and more depressive episodes than depressed people who don't exhibit manic behavior.

他们发现阈下性轻躁狂者比无躁狂行为的抑郁者有更高的焦虑率和药物滥用率,抑郁的发作次数也更高。

10.Researchers found that subthreshold 阈下的 doses of medication can still have an effect on patient outcomes.

研究人员发现,阈下的药物剂量仍然可能对患者结果产生影响。

11.Some plants can thrive in subthreshold 阈下的 light conditions, adapting to low-light environments.

一些植物能够在阈下的光照条件下生存,适应低光环境。

12.The device can detect signals that are subthreshold 阈下的, allowing for more sensitive measurements.

该设备可以检测到阈下的信号,从而实现更灵敏的测量。

13.In psychology, responses to subthreshold 阈下的 stimuli can reveal unconscious biases.

在心理学中,对阈下的刺激的反应可以揭示无意识的偏见。

14.The study focused on the impact of subthreshold 阈下的 noise on cognitive performance.

该研究集中于阈下的噪音对认知表现的影响。

作文

In the field of psychology and neuroscience, the concept of subthreshold stimuli plays a crucial role in understanding human perception and behavior. A subthreshold stimulus is one that is below the threshold of conscious awareness or perception, meaning that it does not reach the level required for an individual to consciously recognize or respond to it. This idea can be illustrated through various examples, including subliminal messaging and certain therapeutic techniques. Subliminal messages are often used in advertising, where brief, subthreshold images or sounds are embedded within a larger context to influence consumer behavior without their conscious awareness. For instance, a fast-food commercial might include a fleeting image of a delicious burger that viewers do not consciously register, yet it can impact their cravings and decision-making when they are hungry. This phenomenon raises ethical questions about manipulation and consent in marketing practices, highlighting the power of subthreshold stimuli in everyday life.Moreover, subthreshold stimulation has been explored in therapeutic settings, particularly in cognitive-behavioral therapy (CBT). Therapists may utilize subthreshold cues to help patients confront and manage their anxieties. For example, a therapist might gradually introduce subthreshold reminders of a fear-inducing situation, allowing patients to process their emotions without overwhelming them. This method can facilitate gradual exposure, making it easier for individuals to face their fears in a controlled manner.The implications of subthreshold stimuli extend beyond psychology and therapy. In the realm of technology, especially in user experience design, understanding how subthreshold cues affect user engagement is becoming increasingly important. Designers often incorporate subthreshold elements, such as subtle animations or color changes, to guide users' attention and enhance their interaction with digital interfaces. These subthreshold cues can improve usability and create a more intuitive experience, even if users are not consciously aware of them.Furthermore, research in neuroscience has shown that subthreshold stimuli can activate brain regions associated with processing information, even when individuals do not consciously perceive the stimuli. This suggests that our brains are constantly processing information below the level of awareness, influencing our thoughts, feelings, and behaviors in ways we may not fully understand. For instance, studies have indicated that subthreshold emotional cues can impact decision-making, indicating that our subconscious mind plays a significant role in shaping our choices.In conclusion, the concept of subthreshold stimuli is a fascinating area of study that sheds light on the complexities of human perception and behavior. From advertising to therapy and technology, subthreshold cues influence our lives in profound ways, often without our conscious awareness. As we continue to explore this intriguing phenomenon, it becomes increasingly important to consider the ethical implications and the potential for both positive and negative impacts on individuals and society as a whole. Understanding subthreshold stimuli can empower us to make more informed choices, whether we are consumers, therapists, designers, or simply individuals navigating the complexities of modern life.

在心理学和神经科学领域,subthreshold刺激的概念在理解人类感知和行为方面起着至关重要的作用。subthreshold刺激是指低于意识觉察或感知阈值的刺激,意味着它没有达到个体能够意识到或对其作出反应的水平。这一概念可以通过各种例子来说明,包括潜意识信息传递和某些治疗技术。潜意识信息传递通常用于广告中,其中短暂的subthreshold图像或声音被嵌入在更大的上下文中,以在消费者的意识之外影响他们的行为。例如,一则快餐广告可能会包含一个短暂的美味汉堡的图像,观众并未意识到这一点,但它可能会在他们感到饥饿时影响他们的渴望和决策。这一现象引发了关于操纵和同意的伦理问题,突显了subthreshold刺激在日常生活中的力量。此外,subthreshold刺激在治疗环境中也得到了探索,尤其是在认知行为疗法(CBT)中。治疗师可能利用subthreshold提示来帮助患者面对和管理他们的焦虑。例如,治疗师可能逐渐引入subthreshold的恐惧情境提醒,让患者在不被淹没的情况下处理他们的情绪。这种方法可以促进渐进式暴露,使个体在受控的情况下更容易面对他们的恐惧。subthreshold刺激的影响超越了心理学和治疗。在技术领域,特别是在用户体验设计中,理解subthreshold线索如何影响用户参与度变得越来越重要。设计师通常会结合subthreshold元素,如微妙的动画或颜色变化,以引导用户的注意力并增强他们与数字界面的互动。这些subthreshold线索可以改善可用性,并创造更直观的体验,即使用户并未意识到这些线索。此外,神经科学的研究表明,subthreshold刺激可以激活与信息处理相关的大脑区域,即使个体并未意识到这些刺激。这表明我们的脑袋在不断处理低于意识水平的信息,以我们可能无法完全理解的方式影响我们的思想、情感和行为。例如,研究表明,subthreshold情感线索可以影响决策,表明我们的潜意识在塑造我们的选择中发挥着重要作用。总之,subthreshold刺激的概念是一个引人入胜的研究领域,它揭示了人类感知和行为的复杂性。从广告到治疗再到技术,subthreshold线索以深远的方式影响着我们的生活,往往在我们意识之外。随着我们继续探索这一引人入胜的现象,考虑伦理影响以及对个人和社会整体的潜在积极和消极影响变得越来越重要。理解subthreshold刺激可以使我们更有能力做出更明智的选择,无论我们是消费者、治疗师、设计师,还是简单地在现代生活的复杂性中航行的个体。