Milton has been having considerable trouble with his short-term memory. his family has noticed a number of mistakes milton has been making, such as leaving doors unlocked, getting lost in the neighborhood, and forgetting family member's names. it appears that the neurons are deteriorating.

The answer is acetylcholine (ACh).

It appears that the acetylcholine (ACh) - producing neurons are deteriorating.

Acetylcholine (ACh) is a chemical that plays a role as a neurotransmitter in human brain and that is deteriorated in Alzheimer's Disease, this neurotransmitter is essential for processing memory, motor control and learning.

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.

answer; the automatic system because it is a "gut reactor"