Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Long-term Depression01:03

Long-term Depression

2.5K
Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
Calcium Ion Concentration Mechanism
If over...
2.5K
Downsampling01:20

Downsampling

148
When considering a sampled sequence with zero values between sampling instants, one can replace it by taking every N-th value of the sequence. At these integer multiples of N, the original and sampled sequences coincide. This process, known as decimation, involves extracting every N-th sample from a sequence, thereby creating a more efficient sequence.
The Fourier transform of the decimated sequence reveals a combination of scaled and shifted versions of the original spectrum. This...
148

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Identification of CAMTA transcription factors and functional analysis of OsCAMTA4 in rice blast and salt stress.

Planta·2026
Same author

Roles of progestogens in influenza A virus-induced inflammatory responses.

Science China. Life sciences·2026
Same author

Age and early life adversity shape heterogeneity of the epigenome across tissues in macaques.

Science (New York, N.Y.)·2026
Same author

Risk factors for poor prognosis in patients with cortical laminar necrosis and establishment of their prediction model: A retrospective cohort study.

Medicine·2026
Same author

Super-Resolution Ultrasound Radiomics Nomogram for Preoperative Prediction of Lateral Lymph Node Metastasis in Papillary Thyroid Carcinoma: A Development and Validation Study.

Ultrasound in medicine & biology·2026
Same author

Mid-superior temporal sulcus encodes spatial context and behavioral state in freely moving macaques.

bioRxiv : the preprint server for biology·2026

相关实验视频

Updated: Jun 21, 2025

A Lateralized Odor Learning Model in Neonatal Rats for Dissecting Neural Circuitry Underpinning Memory Formation
10:42

A Lateralized Odor Learning Model in Neonatal Rats for Dissecting Neural Circuitry Underpinning Memory Formation

Published on: August 18, 2014

8.9K

从单个神经信号中分解损失厌恶.

Ruining Wang1,2,3,4, Xiaoyi Wang1,2,3,4, Michael L Platt5,6,7,8

  • 1School of Management, Zhejiang University, Hangzhou, Zhejiang 310058, China.

iScience
|July 15, 2024
PubMed
概括

损失厌恶,即偏爱避免损失而不是获得收益的倾向,源自不同的神经过程. 这项研究确定了评估偏差和响应偏差的单独大脑信号,揭示了我们如何做出涉及风险的决策.

关键词:
生物科学 生物科学认知神经科学是一种认知神经科学.神经科学是一个神经科学.

更多相关视频

Author Spotlight: Advancing Alzheimer's Research – Exploring Early Detection and Multi-Omics Approaches
09:47

Author Spotlight: Advancing Alzheimer's Research – Exploring Early Detection and Multi-Omics Approaches

Published on: December 15, 2023

1.0K
Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder
09:29

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Published on: January 9, 2015

15.5K

相关实验视频

Last Updated: Jun 21, 2025

A Lateralized Odor Learning Model in Neonatal Rats for Dissecting Neural Circuitry Underpinning Memory Formation
10:42

A Lateralized Odor Learning Model in Neonatal Rats for Dissecting Neural Circuitry Underpinning Memory Formation

Published on: August 18, 2014

8.9K
Author Spotlight: Advancing Alzheimer's Research – Exploring Early Detection and Multi-Omics Approaches
09:47

Author Spotlight: Advancing Alzheimer's Research – Exploring Early Detection and Multi-Omics Approaches

Published on: December 15, 2023

1.0K
Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder
09:29

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Published on: January 9, 2015

15.5K

科学领域:

  • 神经科学是一个神经科学.
  • 决策方式 决策方式
  • 行为经济学是一种行为经济学.

背景情况:

  • 损失厌恶是一种常见的人类行为,在这种情况下,损失比相当的收益更强烈地被感知.
  • 现有理论认为,损失厌恶源于估值偏差 (放大损失) 或响应偏差 (避免产生损失的选择).
  • 从神经学上区分这些偏见一直是个挑战.

研究的目的:

  • 调查估值偏差和损失厌恶反应偏差的独特神经支.
  • 使用计算建模,将这些偏差从单个神经信号分解.
  • 为了确定与每个偏见相关的特定大脑区域.

主要方法:

  • 利用顺序抽样框架来建模决策过程.
  • 分析了头皮电活动的时间动态,特别是P3事件相关的潜力.
  • 在博验收/拒绝任务期间,从P3信号中分离了估值偏差和响应偏差.

主要成果:

  • 评价偏差的特点是与收益相比,P3对损失的敏感性增加,与奖励相关的大脑区域相关.
  • 响应偏差是由一个更大的P3表明之前博接受与拒绝,局部化到运动皮质.
  • 证明可分离的神经生物标志物用于损失逆转决策中的估值和响应偏差.

结论:

  • 损失厌恶得到了独特的神经机制的支持,反映了我们如何重视潜在的结果以及我们如何对它们做出反应.
  • P3信号提供了一个有价值的神经标记,以区分估值和响应偏差.
  • 这些发现为经济决策和风险感知的神经基础提供了新的见解.