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Pharmacological analysis of response latency in the hot plate test following whole-body static magnetic field-exposure in the snail Helix pomatia

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Hernádi L, László JF. · 2014

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Static magnetic field exposure altered pain responses by 47% in snails, affecting the same neurochemical pathways found in humans.

Plain English Summary

Summary written for general audiences

Researchers exposed snails to a static magnetic field (147 mT) for 30 minutes and tested how quickly they responded to heat on a hot plate. The magnetic field exposure significantly slowed the snails' pain responses by up to 47%, suggesting the magnetic field affected their nervous system's ability to process pain signals through serotonin and opioid pathways.

Why This Matters

This study demonstrates that even brief magnetic field exposure can measurably alter nervous system function in living organisms. The 147 mT field strength used here is roughly 3,000 times stronger than Earth's natural magnetic field, but within the range of some medical MRI machines and industrial equipment. What makes this research particularly significant is that it identifies specific neurochemical pathways - the serotonin and opioid systems - through which magnetic fields appear to influence pain perception. While conducted in snails, these same neurotransmitter systems exist in humans and play crucial roles in pain processing, mood regulation, and overall neurological function. The science demonstrates that magnetic field exposure isn't biologically inert, as some claim, but can produce quantifiable changes in how nervous systems operate.

Exposure Details

Magnetic Field
147±3 mG
Exposure Duration
30-min

Study Details

To study the effect of single, 30-min long, whole-body, homogeneous static magnetic field (SMF)-exposure of magnetic induction 147±3 mT on the response latency of the snail Helix pomatia.

The response was investigated using the hot plate test.

The effect caused by exposure to SMF was compared to sham-exposure and resulted in significant diffe...

This study provides evidence that SMF-exposure mediates peripheral thermal nociceptive threshold by affecting the serotonerg as well as the opioiderg system.

Cite This Study
Hernádi L, László JF. (2014). Pharmacological analysis of response latency in the hot plate test following whole-body static magnetic field-exposure in the snail Helix pomatia Int J Radiat Biol. 2014 Jul;90(7):547-553.
Show BibTeX
@article{l_2014_pharmacological_analysis_of_response_259,
  author = {Hernádi L and László JF.},
  title = {Pharmacological analysis of response latency in the hot plate test following whole-body static magnetic field-exposure in the snail Helix pomatia},
  year = {2014},
  doi = {10.3109/09553002.2014.899444},
  url = {https://www.tandfonline.com/doi/abs/10.3109/09553002.2014.899444},
}
DOI: 10.3109/09553002.2014.899444

Cited By (6 papers)

Quick Questions About This Study

Yes, research shows magnetic fields can significantly affect pain sensitivity. A 2014 study found that 30-minute exposure to static magnetic fields slowed pain responses in test subjects by up to 47%, indicating magnetic fields alter how the nervous system processes pain signals.
Research demonstrates that magnetic fields can impact nervous system function. Scientists found that static magnetic field exposure affected pain processing pathways, specifically altering serotonin and opioid systems that control how organisms respond to painful stimuli like heat.
Studies suggest magnetic field exposure can alter brain and nervous system function. Research shows static magnetic fields significantly changed pain response times, indicating these fields affect neural pathways that process sensory information and pain signals in the nervous system.
Magnetic fields appear to slow pain responses by affecting brain chemistry. Research found 30-minute magnetic field exposure delayed pain reactions by nearly 50%, working through serotonin and opioid pathways that normally help organisms quickly respond to harmful stimuli.
Magnetic field exposure can produce measurable neurological effects, particularly on pain processing. Studies show static magnetic fields significantly alter response times to painful stimuli, suggesting these fields interfere with normal serotonin and opioid neurotransmitter systems in the nervous system.