https://en.wikipedia.org/wiki/Behavioural_sciences

The study of the behaviour of animals and humans, with a focus on individual behaviour. For the study of collective behaviour see Social sciences.

See Behaviourism.

The Behavior of Organisms

"Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves." ~ Herbert Simon