相关实验视频

Updated: Sep 9, 2025

Vagus Nerve Stimulation as a Tool to Induce Plasticity in Pathways Relevant for Extinction Learning
11:02

Vagus Nerve Stimulation as a Tool to Induce Plasticity in Pathways Relevant for Extinction Learning

Published on: August 21, 2015

23.6K

腹神经 GABA 抑制增强了对学习到的威胁线索的环境适当的防御反应

Erica M Ramirez, Maricela X Martinez, Ryan K Rokerya

    bioRxiv : the preprint server for biology
    |September 5, 2025
    PubMed
    概括

    抑制腹 GABAergic神经元 (VP GABA) 增加了对威胁的防御行为. 这些神经元促进寻求奖励,同时抑制厌恶,完善对动机行为回路的理解.

    更多相关视频

    Ex Vivo Optogenetic Dissection of Fear Circuits in Brain Slices11:13

    Ex Vivo Optogenetic Dissection of Fear Circuits in Brain Slices

    Published on: April 5, 2016

    16.1K
    A Novel Pavlovian Fear Conditioning Paradigm to Study Freezing and Flight Behavior09:26

    A Novel Pavlovian Fear Conditioning Paradigm to Study Freezing and Flight Behavior

    Published on: January 5, 2021

    6.9K

    相关概念视频

    Diencephalon: Anatomical Regions01:30

    Diencephalon: Anatomical Regions

    The diencephalon, etymologically translated as 'through brain,' plays an integral role as the conduit between the cerebrum and the vast extent of the nervous system. However, the olfactory system is an exception, as it interfaces directly with the cerebrum. The diencephalon, deeply ensconced beneath the cerebrum, primarily consists of three paired structures — the thalamus, hypothalamus, and epithelamus. It also includes accessory structures such as the subthalamus, which houses the...
    2.9K
    Functional Brain Systems: Limbic System01:15

    Functional Brain Systems: Limbic System

    The limbic system, often called the "emotional brain," is a complex set of structures located deep within the brain. The intricate network of the limbic system supports a wide range of psychological functions, from emotional regulation to memory formation and sensory processing. This functional brain region encompasses specific parts of the diencephalon and the cerebrum, integrating the higher mental functions of the cerebral cortex with the primitive emotional responses of the deep brain...
    3.8K
    Role of Amygdala in Memory01:16

    Role of Amygdala in Memory

    The amygdala is a small, almond-shaped structure responsible for processing and storing memories, particularly those linked to emotions like fear and stress. It plays an essential role in the brain's response to emotionally significant events and often enhances memory formation by triggering stress hormone release. The amygdala is vital for encoding and retrieving memories associated with fear or stress, a process that is adaptive by helping organisms avoid dangerous situations.
    One of the...
    389
    Diencephalon: Thalamus and Information Relay01:27

    Diencephalon: Thalamus and Information Relay

    The thalamus, often called “the gateway to the cerebral cortex,” is vital in processing and directing sensory and motor signals throughout the brain. Almost all inputs destined for the cerebral cortex, except for olfactory signals, are relayed through the thalamus. The thalamus is  a sophisticated relay station, channeling information from various brain regions to the cerebral cortex, as well as a filter, prioritizing certain signals over others based on current physiological...
    2.2K
    Neural Regulation01:37

    Neural Regulation

    Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
    39.8K
    Peripheral Nervous System: Ganglia and Nerves01:24

    Peripheral Nervous System: Ganglia and Nerves

    The Peripheral Nervous System (PNS) is a crucial component of the body's neural network, extending beyond the central nervous system (CNS) to bridge the gap between the CNS and the external environment. It encompasses nerves, ganglia, and sensory receptors.
    Nerves
    The nerve is a bundle of axons that serves as the communication highway in the PNS. Each nerve is ensheathed in a protective layer of connective tissue called the epineurium. This outermost layer safeguards the nerve and supports the...
    2.6K