Final answer:
The sensorium is the area of the brain that processes visual, auditory, and touch stimuli and keeps us mentally alert.
Step-by-step explanation:
The area of the brain that processes visual, auditory, and touch stimuli and keeps us in a state of mental alertness is the sensorium.
The sensorium refers to the parts of the brain involved in the reception and interpretation of sensory stimuli. It includes the primary cortical areas responsible for processing visual, auditory, and touch sensations, as well as the association areas that integrate information from these senses. The cerebral cortex plays a crucial role in conscious sensory perception, while deeper brain regions are responsible for subconscious processing of sensory information.
For example, the primary visual cortex in the occipital lobe processes visual stimuli, the primary auditory cortex in the temporal lobe processes auditory stimuli, and the primary somatosensory cortex in the parietal lobe processes touch stimuli. These sensory areas work together to create a coherent perception of the world around us and keep us mentally alert.