Altered brain-wide auditory networks in fmr1-mutant larval zebrafish
Constantin, L.; Poulsen, R.; Favre-Bulle, I. A.; Taylor, M.; Sun, B.; Goodhill, G.; Vanwalleghem, G.; Scott, E.
Show abstract
Altered sensory processing is characteristic of several psychiatric conditions, including autism and fragile X syndrome (FXS). Here, we use whole-brain calcium imaging at cellular resolution to map sensory processing in wild type larval zebrafish and mutants for fmr1, which causes FXS in humans. Using functional analyses and graph theory, we describe increased transmission and reduced filtering of auditory information, resulting in network-wide hypersensitivity analogous to the auditory phenotypes seen in FXS.
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