1. Where is ACh found? With which system(s) is it associated?
2. What is the role of ACh in behavior/psychological functioning?
3. Identify a disorder or disease associated with ACh? What is the role of ACh in the disorder?
4. Identify a drug (either legal or illegal) that acts on ACh. Does this drug have an excitatory or inhibitory effect? How does this impact behavior and/or psychological functioning?

Question

1. Where is ACh found? With which system(s) is it associated? 
2. What is the role of ACh in behavior/psychological functioning?
3. Identify a disorder or disease associated with ACh? What is the role of ACh in the disorder? 
4. Identify a drug (either legal or illegal) that acts on ACh. Does this drug have an excitatory or inhibitory effect? How does this impact behavior and/or psychological functioning?

anonymous · Answer

1. ACh is an abbreviation for Acetylcholine.  It is a neurotransmitter found in the central nervous system.
2. It mostly helps in stimulating arousal and in psychology it is responsible for attention and motivation.
3. Alzheimer's disease is a major disorder associated with ACh.
4. Nicotine in tobacco acts on ACh and produces an inhibitory effect. This can cause lack of concentration, non-motivation in users.