psychophysics

简明释义

英[ˌsaɪkəʊˈfɪzɪks]美[ˌsaɪkoʊˈfɪzɪks]

n. 心理物理学；精神物理学

英英释义

单词用法

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例句

1.There is a rule in psychophysics: "what is adaptable, exists".

心理物理学中有一个规则：“什么是适应性强，存在”。

2.Few of Fechner's ideas have survived in modern psychophysics and yet Fechner's obsession with measurement lives on today in many areas of psychology.

没有多少Fechner的思想适用于今日的心理物理学然而Fechner对测量的迷恋仍活跃在心理学的很多领域中。

3.Few of Fechner's ideas have survived in modern psychophysics and yet Fechner's obsession with measurement lives on today in many areas of psychology.

没有多少Fechner的思想适用于今日的心理物理学然而Fechner对测量的迷恋仍活跃在心理学的很多领域中。

4.Topics are tackled from multiple standpoints, including optics, psychophysics, computer graphics and computer vision.

主题选自各个层面，包括：光学、心理物理学、计算机绘图及计算机视觉。

5.Topics will be tackled from multiple standpoints, including optics, psychophysics, computer graphics and computer vision.

主题选自各个层面，包括：光学、心理物理学、电脑绘图及电脑视觉。

6.He is a researcher in the field of psychophysics-the study of the perception of stimuli.

他研究的领域是精神物理学——研究外界刺激对人的观念的影响。

7.Much of the work on modern day pricing theory started in a still obscure field known as psychophysics.

当今估价理论的大部分著作都起源于“精神物理学”，这是一个至今依然令人费解的领域。

8.The study of psychophysics has applications in designing better audio equipment.

对心理物理学的研究在设计更好的音频设备方面有应用。

9.Understanding psychophysics can improve user experience in virtual reality environments.

理解心理物理学可以改善虚拟现实环境中的用户体验。

10.In the field of psychophysics, researchers study how we perceive different stimuli, such as light and sound.

在心理物理学领域，研究人员研究我们如何感知不同的刺激，例如光和声音。

11.The principles of psychophysics can help us understand why certain colors evoke specific emotions.

心理物理学的原理可以帮助我们理解为什么某些颜色会引发特定的情感。

12.Many experiments in psychophysics involve measuring the threshold at which a stimulus becomes noticeable.

许多心理物理学实验涉及测量刺激变得可察觉的阈值。

作文

The field of psychophysics is a fascinating area of study that explores the relationship between physical stimuli and the sensations and perceptions they produce in the human mind. It originated in the late 19th century, largely credited to the work of German philosopher and psychologist Gustav Fechner. Psychophysics seeks to quantify how we perceive various sensory inputs, such as light, sound, and touch, and how these perceptions relate to the actual physical properties of the stimuli. This discipline bridges the gap between psychology and physics, making it integral to our understanding of human experience.One of the key concepts in psychophysics is the idea of thresholds. There are two main types of thresholds: the absolute threshold and the difference threshold. The absolute threshold refers to the minimum intensity of a stimulus that can be detected by an observer 50% of the time. For instance, in a dark room, the faintest light that a person can detect would represent their absolute threshold for light. On the other hand, the difference threshold, also known as the just noticeable difference (JND), is the smallest change in a stimulus that can be detected. For example, if you are holding a weight and someone adds a tiny amount of weight, the point at which you first notice the additional weight is your difference threshold.Another significant aspect of psychophysics is the concept of scaling. Psychophysicists often use scales to measure how changes in physical stimuli correspond to perceived changes in sensation. One well-known model in this area is Stevens' Power Law, which suggests that the perceived intensity of a stimulus increases as a power function of its physical intensity. This means that our perception does not increase linearly with the actual increase in stimulus; rather, it follows a specific mathematical relationship that can vary depending on the type of sensory input.The implications of psychophysics extend beyond academic research; they have practical applications in various fields, including marketing, design, and ergonomics. For example, understanding how consumers perceive colors and sounds can significantly influence product design and advertising strategies. In ergonomics, knowledge of sensory thresholds can help in designing tools and workspaces that are more comfortable and efficient for users.Moreover, psychophysics plays a vital role in clinical settings, particularly in diagnosing sensory impairments. By assessing an individual's thresholds for different stimuli, healthcare professionals can gain insights into potential sensory deficits or neurological conditions. This can lead to more effective treatment plans and interventions tailored to the specific needs of patients.In conclusion, psychophysics is an essential field that deepens our understanding of how we perceive the world around us. By examining the intricate relationship between physical stimuli and our sensory experiences, researchers can uncover valuable insights that impact various aspects of life, from product development to healthcare. As technology advances and our understanding of the human brain evolves, the relevance of psychophysics will undoubtedly continue to grow, paving the way for new discoveries and applications that enhance our daily lives.

心理物理学是一个迷人的研究领域，探索物理刺激与它们在人的心智中产生的感觉和知觉之间的关系。它起源于19世纪末，主要归功于德国哲学家和心理学家古斯塔夫·费希纳的工作。心理物理学试图量化我们如何感知各种感官输入，如光、声音和触觉，以及这些感知如何与刺激的实际物理属性相关联。这个学科架起了心理学与物理学之间的桥梁，使其成为理解人类体验的重要组成部分。心理物理学中的一个关键概念是阈值的概念。阈值主要有两种：绝对阈值和差别阈值。绝对阈值是指观察者能够检测到的刺激的最小强度，通常为50%的概率。例如，在黑暗的房间里，一个人能检测到的最微弱的光就代表了他们的光的绝对阈值。另一方面，差别阈值，也称为可觉察的最小差异（JND），是指能够检测到的刺激变化的最小变化。例如，如果你手里拿着一个重量，有人加了一点微小的重量，你第一次注意到额外重量的点就是你的差别阈值。心理物理学的另一个重要方面是标度的概念。心理物理学家常常使用标度来测量物理刺激的变化如何与感觉的知觉变化相对应。在这一领域，一个著名的模型是史蒂文斯的幂律，它表明刺激的感知强度随着其物理强度的幂函数增加。这意味着我们的感知并不随实际刺激的增加而线性增加；相反，它遵循一种特定的数学关系，这种关系可能因感官输入的类型而异。心理物理学的影响超越了学术研究；它在市场营销、设计和人机工程等多个领域都有实际应用。例如，了解消费者如何感知颜色和声音可以显著影响产品设计和广告策略。在人机工程学中，了解感官阈值可以帮助设计更舒适和高效的工具和工作空间。此外，心理物理学在临床环境中也发挥着重要作用，特别是在诊断感官障碍时。通过评估个体对不同刺激的阈值，医疗专业人员可以深入了解潜在的感官缺陷或神经疾病。这可以导致更有效的治疗方案和针对患者特定需求的干预。总之，心理物理学是一个重要的领域，深化了我们对周围世界感知的理解。通过检查物理刺激与我们的感官体验之间的复杂关系，研究人员可以发现有价值的见解，这些见解影响生活的各个方面，从产品开发到医疗保健。随着技术的进步和我们对人脑的理解不断演变，心理物理学的相关性无疑将继续增长，为新的发现和应用铺平道路，从而提升我们的日常生活。