Magnetoreception Navigation
Magnetoreception Navigation - Related Videos
05:19
Practical Methodology of Cognitive Tasks Within a Navigational Assessment
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Cited by 1 •
2015
Children who have complex communication needs can benefit from the use of a speech-generating device (SGD). Cognitive skills were identified as having an impact on the ability to navigate between levels of SGDs. This protocol describes the steps needed for Speech-language Pathologists to assess cognitive skills and navigational abilities.
06:03
Use of Electromagnetic Navigational Transthoracic Needle Aspiration (E-TTNA) for Sampling of Lung Nodules
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Cited by 12 •
2015
We describe the novel use of electromagnetic navigational guided transthoracic needle aspiration for the pathologic assessment of human lung nodules.
07:03
Dynamic Navigation in Endodontics: Guided Access Cavity Preparation by Means of a Miniaturized Navigation System
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Cited by 8 •
2022
Dynamic navigation systems (DNS) provide real-time visualization and guidance to the operator during endodontic access cavities preparation. The planning of the procedure requires three-dimensional imaging utilizing cone beam computed tomography and surface scans. After the export of the planning data to the DNS, access cavities can be prepared with minimal invasion.
09:01
Development of an Audio-based Virtual Gaming Environment to Assist with Navigation Skills in the Blind
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Cited by 33 •
2013
Audio-based Environment Simulator (AbES) is virtual environment software designed to improve real world navigation skills in the blind.
08:12
Two-photon Calcium Imaging in Mice Navigating a Virtual Reality Environment
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Cited by 98 •
2014
Here we describe the experimental procedures involved in two-photon imaging of mouse cortex during behavior in a virtual reality environment.
FAQs
Light-sensitive cryptochrome proteins in the retina are proposed to support magnetic sensing through radical pairs, short-lived molecular states containing unpaired electrons. Earth’s magnetic field may influence these pairs, producing a signal associated with visual sensory processing. This mechanism offers a biological explanation for how some animals could detect magnetic information through retinal chemistry rather than relying only on external landmarks.
Magnetite-containing receptors are another proposed mechanism for detecting magnetic information. Because magnetite responds to magnetic fields, receptors containing it could provide signals related to field direction or intensity. These measurements would complement the light-sensitive cryptochrome pathway and help explain why magnetic sensing may involve different biological structures or mechanisms across animal species.
Magnetic inclination describes the angle at which Earth’s magnetic field enters or leaves the Earth’s surface, whereas other proposed receptors may respond to field direction or strength. Some species may use inclination as a compass cue, giving them directional information without depending on a conventional visual landmark. This distinction helps account for different navigation strategies among animals.
A magnetic cue can support orientation and movement when visual, chemical, or geographic landmarks are limited. This makes the system especially relevant to animals that travel through environments where stable reference points are difficult to use. Magnetic information may therefore contribute to migration, homing, and daily movements by providing an additional source of directional guidance.
Research on magnetic orientation includes birds, sea turtles, fish, insects, and other animals. These groups provide context for examining how a shared environmental cue may support different behaviors, including long-distance migration, homing, and routine daily navigation. Comparing them can reveal how magnetic information contributes to movement across varied biological and ecological settings.
Investigating this system connects sensory biology with ecology and animal behavior. It can help researchers relate proposed mechanisms, such as retinal cryptochromes or magnetite-containing receptors, to observable movement patterns and navigational behaviors. The topic also shows how animals may maintain direction under limited landmark conditions, linking cellular processes with migration, homing, and everyday movement.