相关实验视频

Updated: May 16, 2025

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
07:30

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

6.4K

在不同祖先群体中确定了大麻使用障碍的融合途径

Qian Peng, Kirk C Wilhelmsen, Cindy L Ehlers

    medRxiv : the preprint server for health sciences
    |April 1, 2025
    PubMed
    概括

    关于大麻使用障碍 (CUD) 的遗传研究揭示了欧洲裔美国人,美洲印第安人和墨西哥裔美国人的独特途径. 罕见的变异有助于CUD的严重程度,突出了对多样化的人口研究的需要.

    更多相关视频

    Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder05:12

    Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder

    Published on: June 23, 2023

    801
    Preclinical Model of Prenatal Delta-9-Tetrahydrocannabinol Exposure to Assess Its Impact on Neurodevelopmental Outcomes05:25

    Preclinical Model of Prenatal Delta-9-Tetrahydrocannabinol Exposure to Assess Its Impact on Neurodevelopmental Outcomes

    Published on: February 28, 2025

    130

    相关概念视频

    CNS Stimulants: Cocaine, Amphetamines and Cannabinoids01:24

    CNS Stimulants: Cocaine, Amphetamines and Cannabinoids

    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...
    142
    Drug Abuse and Addiction: Pharmacological Phenomena01:15

    Drug Abuse and Addiction: Pharmacological Phenomena

    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...
    413
    Interactions Between Signaling Pathways01:19

    Interactions Between Signaling Pathways

    Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
    Convergence and divergence, and cross-talk between signaling pathways
    Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
    6.2K
    Substance Use Disorders Affecting Sleep01:24

    Substance Use Disorders Affecting Sleep

    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,...
    151
    Human Genetics01:28

    Human Genetics

    Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
    The complex relationship between genetics and psychology is observable through common biological components such...
    487
    Genome-wide Association Studies-GWAS01:11

    Genome-wide Association Studies-GWAS

    Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
    GWAS does not require the identification of the target gene involved in...
    12.2K