The parietal lobes of the brain is responsible for the loss of sensation by touch. It plays a very important role in integrating the sensory information from the various parts of the body.
It also includes the sense of touch which is lost if the parietal lobe of the brain is injured. The parietal lobe of the brain control multiple sensory functions of the body.
Hence, there must be some disturbance in the parietal lobe if the sense of touch is affected.
