Cricket (VIDEO)

Linköping University

Caption

Researchers at Linköping University, Sweden, set out to experimentally change the levels of the brain chemicals serotonin and dopamine in crickets. They gave the crickets human pharmaceuticals that are known to act on the serotonin and dopamine systems. Because dopamine and serotonin systems are similar across species, these chemicals were predicted to also affect cricket behavior.

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Linköping University

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