相关实验视频
Updated: Jun 11, 2025

12:10
Assessment of Mouse Judgment Bias through an Olfactory Digging Task
Published on: March 4, 2022
2.5K
压力会在鱼中产生负面判断偏见
Sarah E Giancola-Detmering1, Robyn J Crook1
1Department of Biology, San Francisco State University, 1600 Holloway Avenue , San Francisco, CA, USA.
Biology letters
|October 9, 2024
概括
暴露于压力的乌表现出悲观的判断偏见,对模两可的线索进行负面解释. 这项研究提供了首次证据,证明了头足动物的判断偏差,影响了动物福利评估.
科学领域:
- 动物的行为和认知.
- 海洋生物学 海洋生物学
- 无脊椎动物福利 无脊椎动物福利
背景情况:
- 判断偏差任务 (JBT) 通过观察对模两可的线索的反应来评估动物的情绪状态.
- 积极影响导致乐观的解释,而负面影响导致悲观的解释.
- 头足动物,包括鱼,越来越多地因其认知能力和福利而受到研究.
研究的目的:
- 开发和验证一个修改的JBT用于棘 (Sepia bandensis).
- 调查外部压力因素是否会在鱼中诱导负面情绪状态,由判断偏差表明.
- 探索头足动物中判断偏差的能力.
主要方法:
- 使用与食物奖励相关的视觉线索开发了一个修改后的JBT.
- 鱼被训练来将特定的视觉暗示与积极的强化联系起来.
- 一组经历住房和应对压力;对照组没有.
- 对模两可的线索的行为反应被测量为应激后的暴露.
主要成果:
- 紧张的鱼表现出更大的延迟来接近模两可的线索.
- 紧张的鱼在与模两可的线索相关的区域中花费的时间更少.
- 压力较大的鱼不太可能首先进入模两可的暗示配对的房间.
- 这些行为变化表明压力下鱼的悲观判断偏见.
结论:
- 压力诱导了Sepia bandensis的一个悲观的判断偏见.
- 这是首次证明头足动物的判断偏差.
- 研究结果表明,鱼具有由外部压力因素影响的复杂情绪状态.
- 开发的JBT是评估鱼福利和情绪状态的宝贵工具.
相关概念视频
Confirmation Biases
5.5K
The confirmation bias is the tendency to focus on information that confirms our existing beliefs and ignore information that is inconsistent with our expectations. For example, if you think that your professor is not very nice, you notice all of the instances of rude behavior exhibited by the professor while ignoring the countless pleasant interactions he is involved in on a daily basis. Have you ever fallen prey to the confirmation bias, either as the source or target of such bias?
5.5K
Stereotype Threat and Self-fulfilling Prophecies
37.5K
When we hold a stereotype about a person, we have expectations that he or she will fulfill that stereotype. A self-fulfilling prophecy is an expectation held by a person that alters his or her behavior in a way that tends to make it true. When we hold stereotypes about a person, we tend to treat the person according to our expectations. This treatment can influence the person to act according to our stereotypic expectations, thus confirming our stereotypic beliefs. Research by Rosenthal and...
37.5K
Stereotypes, Prejudice, and Discrimination
90.0K
Humans are very diverse and although we share many similarities, we also have many differences. The social groups we belong to help form our identities (Tajfel, 1974). These differences may be difficult for some people to reconcile, which may lead to prejudice toward people who are different. Prejudice is a negative attitude and feeling toward an individual based solely on one’s membership in a particular social group (Allport, 1954; Brown, 2010). Prejudice is common against people who...
90.0K

