Light wavelength modulates search behavior performance in zebrafish

Scientific Reports, Journal Year: 2024, Volume and Issue: 14(1)

Published: July 17, 2024

Abstract Visual systems have evolved to discriminate between different wavelengths of light. The ability perceive color, or specific light wavelengths, is important as color conveys crucial information about both biotic and abiotic features in the environment. Indeed, can drive distinct patterns activity vertebrate brain, yet what remains incompletely understood whether invoke etiologically relevant behavioral changes. To address how visible spectrum modulate performance, we use larval zebrafish a stereotypic light-search behavior. Prior work has shown that cessation triggers transitional behavior, which interrogate wavelength-dependent modulation. Using 8 narrow sources range, demonstrate all induce motor parameters consistent with search magnitude behavior sensitive underlying are modulated across short, medium, long wavelengths. However, our data also establishes not impacted by wavelength. define wavelength modulates performed additional assays alternative dual variable intensity. Last, tested blind larvae resolve components dependent changes potentially include signaling from non-retinal photoreception. These findings implications organisms be exposed varying laboratory natural settings therefore impose unique outputs.

Language: Английский

Light wavelength modulates search behavior performance in zebrafish

Published: Jan. 1, 2024

Long-term internal states drive many behaviors in animals. Zebrafish is a common vertebrate model conducive to finding the neural coding these behaviors. In Horstick lab, larval zebrafish light search behavior central our research. This behavior, which locomotor response loss of zebrafish, controlled by multiple populations that different states. The sensory neurons initially responsible for this are photosensitive due expression light-absorbing proteins called opsins. Opsins vary ranges wavelengths they absorb, and expressed distinct photoreceptor retina nervous system zebrafish. presence discrete types fact other light-mediated modulated wavelength presents possibility wavelength-sensitive. thesis, I present series experiments performed on ascertain wavelength-sensitivity discuss possible conclusions significances project. Additionally, showcase several projects relating contributed appendices at end thesis. Overall, thesis highlights how even subtle changes stimuli can have broad impacts espouses usefulness exploring visual anatomy drives them.

Language: Английский