Nervous System
This division of the nervous system consists of the brain and spinal cord
Central nervous system
What principle says that a neuron either fires with full power or it doesn't?
All-or-nothing principle
What neurotransmitter reduces neural overactivity in the brain?
GABA
What happens as a result of the undersupply of norepinephrine?
Depression
This visual theory explains that we perceive colors in three opposing pairs
Opponent-process theory
This division of the nervous system governs our organs and senses
Peripheral nervous system
What short period is it called when the neuron is unable to fire again?
Refractory period
What neurotransmitter stabilizes mood and emotion?
Serotonin
Alzheimer's disease is caused by a lack of what neurotransmitter?
ACh
When a person is experiencing a strong sense of love, what hormone is responsible for it?
Oxytocin
This type of peripheral nervous system is responsible for voluntary muscle movement
Somatic nervous system
What type of neurotransmitters make it less likely for the next neuron to fire?
Inhibitory neurotransmitters
What is the primary excitatory neurotransmitter?
Glutamate
What happens a result of a lack of endorphins?
What hormone is responsible for suppressing hunger?
Leptin
When you see a snake and your heart rises and senses sharpen, what kind of nervous system is in play?
Sympathetic nervous system
What flip of charge happens before a neuron fires?
Depolarization
What is the primary inhibitory neurotransmitter?
GABA
Which neurotransmitter is involved in fine motor movement and a deficiency of it can cause Parkinsons?
Dopamine
What is the theory that your brain creates random dreams to make sense of random neural activity?
Activation synthesis theory
What nervous system helps chill us out and slow down our heart rate?
Parasympathetic nervous system
What is the "taking back up" or "reuse" of neurotransmitters in the first neuron called?
Reuptake
What is the neurotransmitter responsible for pain transmission?
Substance P
What disease is it called when the myelin sheath is attacked by the nervous system?
Multiple sclerosis (MS)
What is the theory that neural cells work together and alternate when they fire?
Volley theory