Final answer:
Hypaesthesia is the condition that causes a reduced sense of touch. Somatosensation encompasses touch, proprioception, and interoception. Many somatosensory receptors are distributed throughout the body.
Step-by-step explanation:
A reduced sense of touch is known as hypaesthesia. Somatosensation is the group of sensory modalities associated with touch, proprioception, and interoception. These modalities include pressure, vibration, light touch, temperature, and pain. Many somatosensory receptors are located in the skin, but they are also found in muscles, tendons, joint capsules, ligaments, and the walls of visceral organs.