Fox squirrel (Sciurus niger): The fox squirrel is the largest tree squirrel in Illinois, weighing one and three-quarters to two pounds with a length of 19 Â½ to 22 inches. The fur is a mix of rusty-yellow with black with an overall reddish cast. The fur on the ears, belly, and edge of the tail is lighter.
Audiologists are able to measure the speed and intensity of these pulses to determine if there is hearing loss or a lesion that is upsetting the flow of the sound information through the brainstem. This measurement is called a brainstem auditory evoked response (BAER).
The diencephalon is the region of the brain that sits on top of the  brainstem, below the telencephalon. It includes the thalamus and  hypothalamus.Parts of diencephalon pe â¦ rform numerous functions,  from regulating wakefulness to the control of the autonomic nervous  system.1 person found this useful.he diencephalon is the region of the brain that sits on top of the  brainstem, below the telencephalon. It includes the thalamus and  hypothalamus. Parts of diencephalon pe â¦ rform numerous functions,  from regulating wakefulness to the control of the autonomic nervous  system. 1 person found this useful.