What is it about?
Scientists argue that fish present sofisticate responses to painful, fearful, and otherwise stressful stimuli, but the fish brain is much smaller and somewhat simpler than the mammalian brain. This paper examines recent evidence and data on the functions of specific brain regions - including areas that are evolutionarily related to the amygdala, hypothalamus, habenula, and the midbrain defensive system - in fear, anxiety, and stress in fish.
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Why is it important?
Our findings show that the brain of teleosts shares important features with thst of mammals, but also has considerable differences. This should be taken into account when proposing to use fish to study emotional behavior. It also provides a useful tool for neuroscientists working with these animals.
Perspectives
I hope that this article gets attention to what people might see as an arcane, perhaps even slightly boring area of the neurosciences, and start to see the importance of reconnecting behavioral neuroscience to ethology, comparative neuroanatomy, and evolutionary biology
Dr. Caio Maximino
Universidade Federal do Sul e Sudeste do Para
Read the Original
This page is a summary of: The aversive brain system of teleosts: Implications for neuroscience and biological psychiatry, Neuroscience & Biobehavioral Reviews, December 2018, Elsevier,
DOI: 10.1016/j.neubiorev.2018.10.001.
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