Language deprivation experiments are when scientists study what happens when a child is not able to learn and use language. Imagine you were born on a deserted island with no one to talk to, and you never learned to speak any language. This is similar to what happens in these experiments.
These experiments were done in the past to understand how important it is to learn language at a young age. Children who are not exposed to language at a young age may have difficulty speaking or communicating later in life.
Scientists did these experiments by placing children in environments where they could not hear or learn language. In some cases, children were raised in complete silence, with no one speaking or talking to them. In other cases, children were raised with limited access to language or with a made-up language that no one else in the world spoke.
These experiments were very controversial and not ethical, which means they may have caused harm and were not fair to the children who were involved. It is important to remember that it is very important for children to learn language at a young age, and they should not be deprived of that opportunity.