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Whole-brain mapping of socially isolated zebrafish reveals that lonely fish are not loners.


ABSTRACT: The zebrafish was used to assess the impact of social isolation on behaviour and brain function. As in humans and other social species, early social deprivation reduced social preference in juvenile zebrafish. Whole-brain functional maps of anti-social isolated (lonely) fish were distinct from anti-social (loner) fish found in the normal population. These isolation-induced activity changes revealed profound disruption of neural activity in brain areas linked to social behaviour, social cue processing, and anxiety/stress. Several of the affected regions are modulated by serotonin, and we found that social preference in isolated fish could be rescued by acutely reducing serotonin levels.

SUBMITTER: Tunbak H 

PROVIDER: S-EPMC7282805 | biostudies-literature | 2020 May

REPOSITORIES: biostudies-literature

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Whole-brain mapping of socially isolated zebrafish reveals that lonely fish are not loners.

Tunbak Hande H   Vazquez-Prada Mireya M   Ryan Thomas Michael TM   Kampff Adam Raymond AR   Dreosti Elena E  

eLife 20200505


The zebrafish was used to assess the impact of social isolation on behaviour and brain function. As in humans and other social species, early social deprivation reduced social preference in juvenile zebrafish. Whole-brain functional maps of anti-social isolated (lonely) fish were distinct from anti-social (loner) fish found in the normal population. These isolation-induced activity changes revealed profound disruption of neural activity in brain areas linked to social behaviour, social cue proce  ...[more]

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