相关实验视频

Updated: May 11, 2026

Examining Local Network Processing using Multi-contact Laminar Electrode Recording
13:40

Examining Local Network Processing using Multi-contact Laminar Electrode Recording

Published on: September 8, 2011

13.2K

通过拉普拉斯电极提高单闪SSVEP的空间特性

Ruixin Luo, Chunhou Zheng, Rumeng Ding

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |December 3, 2025
    PubMed
    概括

    这项研究引入了一种新的双极同心环电极 (CRE),用于提高脑电图 (EEG) 中的空间分辨率,用于脑电脑接口. 新的拉普拉斯电脑脑电图 (LEEG) 方法显著提高了视觉唤起电位分析的空间精度.

    更多相关视频

    A Method for Tracking the Time Evolution of Steady-State Evoked Potentials12:03

    A Method for Tracking the Time Evolution of Steady-State Evoked Potentials

    Published on: May 25, 2019

    8.9K
    A Single-Channel and Non-Invasive Wearable Brain-Computer Interface for Industry and Healthcare06:34

    A Single-Channel and Non-Invasive Wearable Brain-Computer Interface for Industry and Healthcare

    Published on: July 7, 2023

    3.1K

    相关概念视频

    Nuclear Overhauser Enhancement (NOE)01:06

    Nuclear Overhauser Enhancement (NOE)

    Irradiation of a spin-active nucleus causes an increase or decrease in the signal intensity of neighboring nuclei that are not necessarily chemically bonded or involved in J-coupling. This phenomenon, called the nuclear Overhauser enhancement (NOE), results from through-space interactions between the nuclear spins. The NOE effect decreases with increasing internuclear distance and is generally not observed beyond 4 angstroms. In NOE, dipole-dipole interactions between neighboring spin-active...
    Van de Graaff Generator01:15

    Van de Graaff Generator

    Van de Graaff generators (or Van de Graaffs) are devices used to demonstrate high voltage due to static electricity that can also be used for research. Robert Van de Graaff first built one in 1931 (based on original suggestions by Lord Kelvin) for use in nuclear physics research.
    Van de Graaff uses both smooth and pointed surfaces, conductors, and insulators to generate large static charges and, hence, large voltages. A substantial excess charge can be deposited on the sphere because it moves...
    Electrostatic Boundary Conditions01:16

    Electrostatic Boundary Conditions

    Consider an external electric field propagating through a homogeneous medium. When the electric field crosses the surface boundary of the medium, it undergoes a discontinuity. The electric field can be resolved into normal and tangential components. The amount by which the field changes at any boundary is given by the difference between the field components above and below the surface boundary.
    The surface integral of an electric field is given by Gauss's law in integral form and is related to...
    Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation01:26

    Inductively Coupled Plasma Atomic Emission Spectroscopy: Instrumentation

    Inductively coupled plasma (ICP) is the common plasma source used in atomic emission spectroscopy (AES), a technique that detects and analyzes various elements in a sample. This method is often called inductively coupled plasma atomic emission spectroscopy (ICP-AES).
    There are three main types of inductively coupled plasma atomic emission spectroscopy  (ICP-AES) instruments: sequential, simultaneous multichannel, and Fourier transform instruments, with the latter being less commonly used.
    MOSFET: Enhancement Mode01:22

    MOSFET: Enhancement Mode

    Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
    In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no current...