Varela, S. , Gonçalo S. Faria. (2019). The social evolution of sleep. Proceedings of the Royal Society B: Biological Sciences

Varela, S. , Felipe Espigares. (2025). Optimistic and pessimistic cognitive judgement bias modulates the stress response and cancer progression in zebrafish. Translational Psychiatry

Varela, S. , Constança Carvalho. (2019). The relevance of in silico, in vitro and non-human primate based approaches to clinical research on major depressive disorder. ATLA Alternatives to Laboratory Animals

Varela, S. , Manuel Sapage. (2020). Two research avenues for future mate-choice copying studies. Behavioral Ecology