Directionally biased neuronal responses to pitch-axis vestibular stimulation in larval zebrafish compared to roll-axis responses

The vestibular apparatus plays a pivotal role in maintaining postural equilibrium and processing movement signals, underscoring its importance in studying certain neurological disorders. Here, we present a rotating light-sheet microscope, enabling brain-wide functional recordings during dynamic vestibular stimulation along the pitch axes in addition to the roll axis in head-restrained zebrafish larvae....

No actionable change — this is fundamental animal (zebrafish larva) neuroscience research with no direct or near-term clinical application for audiologists or vestibular specialists.

Understanding the directional coding of vestibular neurons at a cellular level in an animal model could eventually inform our understanding of vestibular processing disorders, though translation to human clinical practice is distant.

1. 01Larval zebrafish neurons show a directional bias: they respond differently to pitch-axis versus roll-axis vestibular stimulation.
2. 02Study advances basic science understanding of how the vestibular system encodes multi-axis motion.
3. 03Published in Communications Biology, a peer-reviewed Nature portfolio journal.
4. 04Findings are in an animal model (zebrafish larvae) — direct human relevance is not established.
5. 05May inform future research into neurological and vestibular processing disorders.

PMID

42156961

DOI

10.1038/s42003-026-10141-y.

Journal

Communications Biology

Publication type

research_article

Evidence level

4

Population

Larval zebrafish

Intervention

Pitch-axis and roll-axis vestibular stimulation

Comparator

Roll-axis vestibular stimulation responses