Do insects have brains?

Honeybee scientist Andrew Barron began chatting with philosopher Colin Klein, who initially swatted away the idea of insect consciousness. After all, insect brains are tiny and have just a million or so neurons, compared with a human's average of 86 billion. read more

As we mentioned earlier, a second aspect of emotions is the expression of emotional behavior that allows other individuals to be aware of our emotions and respond to them. As such, in order to detect and understand those emotions we have the ability to empathize and respond in kind. read more

The brains of insects are exceptionally malleable, and they can vary even within species (this is best seen in eusocial insects like ants or bees, where members of different castes have different-looking brains). read more

Yes, even tiny insects have brains, though the insect brain doesn't play as important a role as human brains do. In fact, an insect can live for several days without a head, assuming it doesn't lose a lethal amount of hemolymph upon decapitation. read more