在可卡因使用障碍中改变了整合和隔离状态
Yi Zheng1,2, Yaqian Yang2,3, Yi Zhen1,2
1School of Mathematical Sciences, Beihang University, Beijing, China.
Frontiers in neuroscience
|April 24, 2025
概括
可卡因使用障碍 (CUD) 改变了大脑网络动态,影响了整合和分离的大脑状态. 功能连接的这些变化与受体分布和可卡因使用模式有关.
科学领域:
- 神经科学是一个神经科学.
- 成研究 研究成研究
- 脑部成像 脑部成像
背景情况:
- 可卡因使用障碍 (CUD) 是一种慢性脑部疾病,影响认知和行为控制.
- 关于CUD的神经基础,特别是关于大脑整合-分离动态的基础,尚不清楚.
研究的目的:
- 研究CUD对动态功能连接和基于图形理论的大脑网络属性的影响.
- 为了比较患有CUD的个体与健康对照者的大脑状态.
主要方法:
- 使用了动态功能连接分析.
- 应用图形理论来评估网络属性.
- 在CUD患者和健康对照者之间比较大脑状态.
主要成果:
- 在默认模式中,CUD改变了连接性,前端平行线和皮层下网络.
- 综合状态显示传感运动变化;分离状态显示前侧平行-下皮层变化.
- 连接变化与MOR/H3受体分布和可卡因消费相关,影响网络的复杂性和中心性.
结论:
- CUD诱导大脑整合和分离动态的时间变化.
- 这些发现为可卡因成的神经机制提供了新的见解.
更多相关视频
10:28Assessment of Cocaine-induced Behavioral Sensitization and Conditioned Place Preference in Mice
Published on: February 18, 2016
16.9K
08:22Stereotaxic Microinjection of Viral Vectors Expressing Cre Recombinase to Study the Role of Target Genes in Cocaine Conditioned Place Preference
Published on: July 30, 2013
18.5K
相关概念视频
Drug Abuse and Addiction: Pharmacological Phenomena
410
Drug dependence, abuse, and addiction are complex phenomena that can precipitate various abnormal states. Physical dependence refers to a state of pharmacological adaptation to a drug. This adaptation often results in tolerance—a reduced response to the drug after repeated administrations. When the drug use is abruptly stopped, withdrawal symptoms occur due to the body's need to readjust from the pharmacologically induced imbalance. However, tolerance and withdrawal symptoms do not...
410
Substance Use Disorders Affecting Sleep
148
Substance use disorders involve a pattern of using drugs more extensively than intended and continuing use despite harmful consequences. This includes legal substances like alcohol and nicotine, as well as illegal drugs. These disorders often involve both physical and psychological dependence, reflecting compulsive use of substances that significantly alter thoughts, feelings, and behaviors, contributing to a major public health issue.
Understanding the concepts of physical dependence,...
Understanding the concepts of physical dependence,...
148
CNS Stimulants: Cocaine, Amphetamines and Cannabinoids
130
CNS stimulants, such as cocaine, amphetamines, and cannabinoids, have varying structures and mechanisms of action that lead to different therapeutic effects and side effects. Cocaine, with its molecular formula C17H21NO4, is a tropane alkaloid and a tertiary amino compound. It has two chemical forms: the hydrochloride salt and the "freebase." The former is in powder form, while the latter involves removing the hydrochloride salt to create a form that can be smoked. Cocaine exerts its...
130
Stimulants
134
Stimulants are substances that enhance neural activity and elevate dopamine levels in the brain, leading to their highly addictive nature. These drugs include cocaine, amphetamines, MDMA, caffeine, and nicotine, each with distinct mechanisms of action and varied health implications.
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
134
Altered States of Awareness
114
Altered states of consciousness represent significant deviations from one's normal mental state. These deviations can range from subtle changes in awareness to profound transformations in perception, thought processes, and sensory experiences. Altered states of consciousness can be triggered by various factors, including drug use, meditation, hypnosis, illness, or even intense fatigue.
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain...
The ingestion of substances like stimulants or hallucinogens leads to chemical alterations in the brain...
114
Drug Dependence
947
Medications are typically administered to achieve therapeutic effects. Some drugs can modify an individual's mood and perception, frequently resulting in various enjoyable experiences. However, this can result in drug dependency, a condition marked by continuous drug use despite potential negative consequences. Drug dependency primarily falls into two categories: psychological and physical dependence. Psychological dependence occurs when the pleasurable feelings induced by the drug...
947
