Some behaviours that are crucial to survival appear to be hard-wired, meaning that they occur without previous experience. For example, many prey organisms naturally know how to escape to safety from ...

A recent study in Nature now shows that the main olfactory bulb contains a particular zone required for innate odor aversion, indicating that olfactory receptors have behavioral as well as chemical ...

Loss of Trpa1 in mice diminished predator odor-evoked innate fear behaviors, although they exhibit a normal sense of smell. The research team then found that Trpa1 acts as a chemosensor to detect ...

The study of animal behavior is a cornerstone of psychology for several reasons. Ethology, or the study of animals in their natural habitats, sheds light on how animals interact with each other and ...