The relationship between environmental factors and intellectual skills suggests that with the proper stimulation, practice, and motivation, older people can maintain their mental abilities. this illustrates the concept of

plasticity

Explanation:

Plasticity: In psychology, the term plasticity is defined as the capability of an individual's nerve cells to alter or change via new experiences and therefore also referred to as brain plasticity. According to the psychologists, nerve cells can moreover continue to function and change well into adulthood phase of a person's life.

In other words, plasticity refers to the changes in the brain's neural connections in the development phase as a consequence of environmental interactions along with the neural changes persuade through learning.

In the question above, the given concept illustrates the concept of plasticity.

answer; /// the correct answer is (belongingness needs; good luck