Nervous System
Consists of the brain and spinal cord
Central Nervous System (CNS)
Threshold
Dopamine
Highly addictive opioid derived from morphine, produces euphoria, pain relief, and sedation
Heroin
Part of the brain that processes emotions, particularly fear and anger
Amygdala
Consists of all the nerves and ganglia outside the Brain and spinal cord
Peripheral Nervous System
Chronic autoimmune disease that affects the Central Nervous System (CNS)
Multiple Sclerosis "MS"
The mood neurtransmitter
Serotonin
Drugs that slow down neural activity and bodily functions
Depressants
Hippocampus
Responsible for controlling voluntary movements and relaying sensory information to the CNS
Somatic Nervous System
The state of the Neuron when not firing a neural impulse
Resting potential
The Euphoria Neurotransmitter
Substances that bind to neurotransmitter receptors with activating them, blocking their effects
Antagonists
Gland in the brain that regulates hormone production and secretion
Promotes relaxation by restoring the body to a calm state after stress or danger
Parasympathetic Nervous System
A period immediately following stimulation during which a nerve or muscle is unresponsive
Refractory Period
Movement and memory neurotransmitter
Acetylcholine
Psychoactive drug derived from cannabis, alters mood, perception, and cognition
Marijuana
The relay station in the brain, gateway for sensory input
Thalamus
The support cells of the nervous system that provide structural support
Glial Cells
A change in a cell's membrane potential making it more positive
Depolarization
A chronic autoimmune disease that affects the neuromuscular junction and produces serious weakness of voluntary muscles
Myathenia Gravis
Substances that bind to neurotransmitter receptors and mimic their effects, enhancing neural activity
Agonists
Auditory Complex