Extremely low frequency magnetic field distracts zebrafish from a visual cognitive task
Ziegenbalg L, Güntürkün O, Winklhofer M · 2025
ELF magnetic fields at Earth-strength amplitudes can act as a cross-modal distractor, diverting animal attention away from environmentally relevant visual cues, suggesting anthropogenic magnetic fields may function as a form of sensory pollution beyond their known effects on magnetic orientation.
Plain English Summary
This study examined whether extremely low frequency (ELF) magnetic fields could distract animals from non-magnetic sensory tasks by training zebrafish to perform a visual avoidance response to a green LED light. The researchers found that exposure to a 0.06 mT sinusoidal magnetic field (0.3 Hz) impaired the fish's learning performance and response behavior despite the visual signal being salient enough to normally elicit the conditioned response.
Why This Matters
This study extends investigation of anthropogenic electromagnetic field effects beyond magnetic navigation behavior to examine interference with other sensory modalities. The findings suggest that technical ELF magnetic fields warrant consideration as environmental stressors that could affect animal behavior and cognition in multiple contexts beyond traditional magnetoreception-dependent navigation tasks.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{ziegenbalg_l_gntrkn_o_winklhofer_m_ce4624,
author = {Ziegenbalg L and Güntürkün O and Winklhofer M},
title = {Extremely low frequency magnetic field distracts zebrafish from a visual cognitive task},
year = {2025},
doi = {10.1080/15368378.2025.2460971},
}