Brain Functions Flashcards
Acetylcholine
Muscle action, learning, memory. With Alzheimer’s, it’s neurons degenerate.
Dopamine
Learning, movement, attention , and emotion. Oversupply can lead to schizophrenia, and undersupply can lead to tremors and Parkinson’s disease.
Serotonin
Mood, hunger, sleep, arousal. Undersupply is depression.
Nonrepineohrine.
Alertness and arousal. Undersupply is depression.
GABA
Inhibitory neurotransmitter. undersupply is tremors. Seizures, and insomnia
Glutamate
Excitatory neurotransmitter. Oversupply is migraines or seizures
Sympathetic nervous system?
Dilated pupils, accelerated heartbeat, digestion’s is slowed, stomulates glucose from the liver, stimulates epinephrine and nonrepinephrine from adrenal glands, relaxes bladder.
Parasympathatic
Pupils contract, slows heartbeat, stimulates digestion, stimulates gallbladder, contracts bladder, blood flow to organs.
Hypothalamus
Controls pituitary gland
Pituitary gland
Secrets many hormones
Thyroid
Metabolism
Parathyroid
Regulates calcium
Adrenal
Fight or flight
Pancreas
Sugar levels
Medulla
Respiration, heartbeat, digestion, blood pressure
Movement, sleep, dreaming, arousal.
Pins
Retuicular formation
Alertness and arousal
Cerebellum
Voluntary movements
Brain stem
Survival functions
L’imbus system
Mood and emotion
Thalamus
Senses except smell, sends info to cerebral cortex for processing. Replies info to cerebellum and medulla
Hypothalamus
Body temp. Hunger, drinking, sexual functions
Hippocampus
Long term mem. Stores memories for locating objects
Amygdala’s
Anger agression,emotion and fear
