Magnetic Navigation
Magnetic Navigation - Related Videos
10:27
A Standardized Protocol for Functional Motor Mapping Using Navigated Transcranial Magnetic Stimulation
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2026
Here, we describe a standardized protocol for motor mapping using nTMS combined with diffusion tensor imaging (DTI)-based reconstruction of the corticospinal tract (CST). The protocol is reproducible, clinically feasible, and readily integrable into routine clinical workflows, providing a robust and valuable framework for motor pathway assessment, neuroplasticity research, and rehabilitation planning.
09:13
Remote Magnetic Navigation for Accurate, Real-time Catheter Positioning and Ablation in Cardiac Electrophysiology Procedures
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Cited by 51 •
2013
This report provides a detailed description of a new remote navigation system based on magnetic driven forces, which has been recently introduced as a new robotic tool for human cardiac electrophysiology procedures.
10:04
Magnetic Fields
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2023
Source: Yong P. Chen, PhD, Department of Physics & Astronomy, College of Science, Purdue University, West Lafayette, IN Magnetic fields can be generated by moving charges, such as an electrical current. The magnetic field generated by a current can be calculated from the Maxwell equation. In addition, magnetic objects such as bar magnets can also generate magnetic fields due to microscopic dynamics of charges inside the material. Magnetic fields will exert magnetic force on other moving...
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.
09:30
Localizing Function-specific Targets for Transcranial Magnetic Stimulation in the Absence of Navigation Equipment
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Cited by 1 •
2025
This paper describes how to localize function-specific targets for repetitive transcranial magnetic stimulation interventions or treatments when navigation equipment is unavailable.
FAQs
Iron-containing magnetite structures may respond to the direction of Earth’s magnetic field, giving an animal directional information during movement. This mechanism could help an organism maintain a heading when visual landmarks or chemical cues are unavailable. In biological research, magnetite is therefore considered one possible sensory basis for orientation in species that travel through unfamiliar environments.
Light-sensitive cryptochrome proteins in the eye may detect effects produced by magnetic fields. This possibility links magnetic navigation with visual sensory systems rather than with a separate directional structure alone. Studying cryptochrome provides a way to investigate how light conditions, eye-based detection, and magnetic information may contribute to orientation and movement in animals.
The two proposed mechanisms involve different biological components and sensory locations. Magnetite refers to iron-containing structures that can respond to field direction, whereas cryptochrome refers to light-sensitive proteins associated with the eye. Comparing them helps researchers examine whether animals obtain magnetic information through specialized structures, visual pathways, or more than one sensory process.
Earth’s magnetic field can provide directional information when visual landmarks or chemical signals are difficult to use. That makes magnetic sensing potentially valuable during long-distance movement, migration, or travel through unfamiliar habitats. The resulting orientation information may be integrated with other environmental signals, allowing animals to maintain headings or follow routes even when conditions reduce the reliability of those cues.
Birds, sea turtles, fish, insects, and other animals provide important biological contexts for studying this capability. These groups can use magnetic information to maintain headings, follow migratory routes, or locate familiar habitats. Comparing them helps researchers examine how different sensory systems support movement across species with distinct life histories and environments.
Research can clarify how animals integrate magnetic information with environmental signals and how sensory systems support coordinated movement. It also contributes to understanding migration, neural processing, and orientation to familiar habitats. Because Earth’s magnetic environment can change, this field further supports investigation of how altered magnetic conditions may affect animal navigation and movement.