相关实验视频
Updated: Jun 14, 2025
04:14
Observational Fear as a Model of Affective Empathy in Mice
Published on: November 22, 2024
502
在幼年鱼海中,跨社会背景的新恐惧症
Reinoud Allaert1,2, Sophia Knoch2,3, Simon Braem1,2
1Department of Biology, Ghent University, Ghent, Belgium.
Royal Society open science
|May 22, 2025
概括
社会背景显著影响新恐惧症,避免不熟悉的事情. 鱼海在群体中表现出较少的新恐惧症,这表明社交存在减少了感知到的风险,并鼓励了更大胆的行为.
科学领域:
- 动物行为 动物行为
- 伦理学 伦理学 伦理学
- 行为生态学 行为生态学
背景情况:
- 新恐惧症,避免不熟悉的刺激,具有关键的健康影响.
- 社会背景可以调节新恐惧反应,但研究结果不一致.
- 了解对新恐惧症的社会影响对于社会物种至关重要.
研究的目的:
- 调查社会背景对鱼海新恐惧症的影响.
- 为了比较个人和小组设置中的新恐惧反应.
- 确定社交存在是否会改变对新奇物体的谨慎行为.
主要方法:
- 年轻的鱼海 (n=54) 在单独和组 (4-5个体) 条件下暴露于新奇的物体.
- 每个条件都被复制,以确保观察的可靠性.
- 记录了行为反应,包括接近的延迟和在物体附近花费的时间.
主要成果:
- 聚在一起的海比单独的海更容易接近和与新奇的物体进行交互.
- 群体中的个体在新型对象附近花费的时间显著增加.
- 同类物种的存在降低了新恐惧症的表达.
结论:
- 社交便利化,或群体成员的存在,可以降低个人感知到的风险.
- 鱼海在社交环境中表现出较少的新恐惧行为.
- 群体动态在调节这种高度社会化的物种中新恐惧反应方面发挥着至关重要的作用.
相关概念视频
01:09Preparedness and Phobias
98
Human fear responses to certain stimuli, such as darkness, heights, deep water, and blood, can often arise despite the absence of direct negative experiences. This phenomenon is rooted in evolutionary psychology, which posits that humans have developed a predisposition to fear stimuli that historically posed significant survival threats. This predisposition, known as preparedness, suggests that early humans who developed a fear of potentially dangerous entities, such as venomous snakes and...
98
01:14Piaget's Stage 1 of Cognitive Development
607
The sensorimotor stage, the initial phase of Jean Piaget's theory of cognitive development, spans the first two years of a child's life. During this period, infants actively engage with their surroundings, building cognitive awareness through direct interaction with the world. This interaction is primarily based on sensory perception and motor actions, allowing infants to gradually understand basic physical properties and predict how objects interact within their environment.
607
02:39Predator-Prey Interactions
16.2K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
16.2K
01:14Conditioned Taste Aversion
127
Conditioned taste aversion, also known as sauce béarnaise syndrome, is a phenomenon in which an individual develops an aversion to a certain food taste following a negative experience, typically illness. This form of aversion is a type of classical conditioning in which the taste of the food (conditioned stimulus, CS) is associated with the experience of illness (unconditioned stimulus, UCS).
A notable characteristic of conditioned taste aversion is that it often requires only a single...
A notable characteristic of conditioned taste aversion is that it often requires only a single...
127
01:28Social Anxiety Disorder
30
Social anxiety disorder, also known as social phobia, is characterized by an intense fear of social situations where one might face humiliation, rejection, embarrassment, or negative evaluation. This disorder leads individuals to avoid activities like casual conversations, public speaking, or seemingly simple tasks such as eating, signing documents, or swimming, in public settings. Its impact extends beyond discomfort, often significantly interfering with daily functioning and quality of life.
30
01:14Frustration and Conflict: Avoidance-Avoidance, Double-Approach Avoidance
66
Avoidance-avoidance conflict refers to a psychological situation where a person must choose between two or more unpleasant alternatives. These conflicts are particularly stressful because neither option is desirable. This dilemma is often expressed in sayings like "caught between a rock and a hard place" or "between the devil and the deep blue sea." For instance, individuals who fear dental procedures may find themselves torn between enduring a painful toothache or facing the...
66