Can you use sight or hearing to make up for a loss of the other?

To a certain extent, yes. Both senses can be trained to compensate for the loss of the other. For example, people who are blind often develop a heightened sense of hearing, and people who are deaf often develop a heightened sense of sight. This is because the brain has the ability to reorganize itself and reassign functions that are normally handled by one sense to another. This process is called neural plasticity, and it is what allows people who have lost one sense to still be able to function and learn.

Here are some specific examples of how sight and hearing can be used to make up for a loss of the other:

* People who are blind can use their hearing to identify objects and their location. They can learn to recognize the different sounds that different objects make, and they can use these sounds to determine where the objects are located. For example, they can learn to recognize the sound of a car engine, and they can use this sound to determine whether the car is coming towards them or going away from them.

* People who are deaf can use their sight to interpret speech. They can learn to lip-read, which is the process of understanding speech by watching the person's mouth and facial expressions. They can also use sign language, which is a visual language that uses hand gestures and facial expressions to communicate.

Of course, no one sense can completely make up for the loss of another. People who are blind or deaf still face many challenges, and they often need to rely on assistive devices and services to help them function. However, neural plasticity can help people who have lost one sense to adapt and regain some of their lost abilities.