Related Experiment Video

Updated: Aug 19, 2026

Using the Horseshoe Crab, Limulus Polyphemus, in Vision Research
14:28

Using the Horseshoe Crab, Limulus Polyphemus, in Vision Research

Published on: July 3, 2009

Electrical phenomena associated with movements of the eyelid

F Matsuo, J F Peters, E L Reilly

    Electroencephalography and Clinical Neurophysiology
    |May 1, 1975
    PubMed

    More Related Videos

    Ocular Kinematics Measured by In Vitro Stimulation of the Cranial Nerves in the Turtle10:49

    Ocular Kinematics Measured by In Vitro Stimulation of the Cranial Nerves in the Turtle

    Published on: June 2, 2018

    Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content10:41

    Using Electroencephalography Measurements and High-quality Video Recording for Analyzing Visual Perception of Media Content

    Published on: May 26, 2018

    Related Concept Videos

    Mechanism of Ciliary Motion01:05

    Mechanism of Ciliary Motion

    The ciliary structures were first seen in 1647 by Antonie Leeuwenhoek while observing the protozoans. In lower organisms, these appendages are responsible for cell movement, while in higher organisms, these appendages help in the movement of the extracellular fluids within the body cavities.
    The cilia are made up of microtubules in a 9+2 arrangement, with nine microtubule doublet ring bundles, surrounding a pair of central singlet microtubule bundles. The doublet microtubule bundles are...
    Electric Charges01:11

    Electric Charges

    From lightning during thunderstorms to electronic devices, the phenomenon of electromagnetism is all around us. The electromagnetic force is one of the four fundamental forces of nature. It has been known to humanity in various forms for thousands of years. For example, the ancient Greek philosopher Thales of Miletus recorded his experiments on static electricity using amber and fur in the sixth century BC.
    The English physicist William Gilbert studied the phenomenon of static electricity in...
    Motional Emf01:22

    Motional Emf

    Magnetic flux depends on three factors: the strength of the magnetic field, the area through which the field lines pass, and the field's orientation with respect to the surface area. If any of these quantities vary, a corresponding variation in magnetic flux occurs. If the area through which the magnetic field lines are passing changes, then the magnetic flux also changes. This change in the area can be of two types: the flux through the rectangular loop increases as it moves into the magnetic...
    Muscles of the Eye01:20

    Muscles of the Eye

    The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
    Extraocular Muscles
    The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...
    Accessory Structures of the Eye01:17

    Accessory Structures of the Eye

    Optical perception, or vision, is an extraordinary sense dependent on converting light signals received via the ocular organs. These organs, known as eyes, are securely positioned within the bony cavities of the skull, called orbits. The orbits serve a dual purpose: a protective shield for the ocular globes and a stable attachment point for the soft ocular tissues. The eye's external protective mechanisms include the eyelids, which are edged with lashes that act as a barrier against foreign...
    Electro-mechanical Systems01:19

    Electro-mechanical Systems

    Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
    A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...