BIOSC-116 Lecture Notes - Lecture 24: Central Nervous System, Peripheral Nervous System, Sympathetic Nervous System
16 Jun 2020
School
Department
Course
Professor
Document Summary
Hormones vs. nt difference is where they are released. Hormones are released in the blood: acetylcholine (ach) of appetite, etc, dopamine, norepinephrine (ne) and aware of being with that person. Used by motor neurons and also in some neural pathways in the brain. Used in the peripheral nervous system by both the somatic and autonomic. Used by parasympathetic and sympathetic nervous system as well. Specific nt used by the sympathetic division. Causes alertness, feelings of acceleration, increased heartrate, breathing rate, loss. When you are newly in love, you experience really high levels of ne very alert. Central nervous system released by midbrain and brainstem. Involved with the motor pathway of skeletal muscles. New lovers experience high levels of dopamine. Associated with addictions high levels of dopamine are associated with drugs. A neurotransmitter of the brain which maintains wakefulness. Why you get drowsy when you take an antihistamine: serotonin used at many synapses and many different pathways in the brain.
