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 ...

Tsukuba, Japan -Innate fear is an essential emotion for animals to avoid danger in a severe natural environment. Rodents kept in a laboratory also show instinctive fear behavior against the smell of ...

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 ...

Innate fear is an essential emotion for animals to avoid danger in a severe natural environment. Rodents kept in a laboratory also show instinctive fear behavior against the smell of predators such as ...