The answer is in the ineraction between behavior and environment. Maybe Stimulus Equivalence research might shed some light on the moelcular mechaninsms of learning?
Learning is a set of mechanisms leading to the acquisition of know-how, knowledge or knowledge. The actor of learning is called learner. Learning can be contrasted with teaching, the purpose of which is to provide knowledge and knowledge, the teacher being the teacher.
Imitation is one of the learning styles commonly observed in the animal world. Here a dolphin imitates human postures, which requires significant cognitive and memorial abilities1
For psychology inspired by behaviorism, learning is seen as the connection between an externally-induced event (stimulus) and an adequate reaction of the subject, which causes a change in behavior that is persistent, measurable, and specific or allows the individual to formulate a new mental construct or revise a prior mental construct.
The historian Philippe Ariès in his book The Child and Family Life Under the Ancien Regime, Paris (Seuil) 1975, emphasizes the importance that should be attributed to learning. It forces children to live in the middle of adults, who thus communicate to them know-how and savoir-vivre. The mixture of ages that it entails seems to him one of the dominant features of our society, from the middle of the Middle Ages to the eighteenth century.
The psychology of development studies the changes, acquisitions and losses, from embryonic life to death. Learning is an important concept studied by this discipline.