Parts Of The Brain Flashcards
Amygdala
Emotion processing—especially fear and anger
Acetylcholine
Neurotransmitter that enables learning and memory and also triggers muscle contractions
Angular Gyrus
Region in LEFT PARIETAL LOBE that relates visual sounds to their symbols
Brain stem
Interior region of the brain responsible for basic functions (pons, reticular formation, medulla— PRoM)
Broca’s Area
Moves mouth in speech
Cerebellum
Balance and coordination
Cerebral cortex
Outer layer of the brain (Where consciousness resides)
Corpus collosum
Connects the two hemispheres
Dopamine
Neurotransmitter involved in learning, attention, movement, pleasure, Schizophrenia(high), and Parkinson’s(low)
Frontal lobe
Planning, thinking, processing
Hippocampus
Part of the brain that processes explicit long term memory (episodic and semantic)
Hypothalamus
Regulates the five Fs: Fighting Fleeing Feeding Fornicating and Fahrenheit
Lateral hypothalamus
Stimulates hunger
Central hypothalamus
Suppresses hunger
Limbic system
AHH: amygdala, hypothalamus, hippocampus
Medulla
Part of the brain stem that regulates heartbeat and breathing
Motor cortex
Region in the frontal lobe that allows us to move.
Parasympathetic nervous system
Branch of autonomic nervous system that calms and re-energizes us
Sympathetic nervous system
Branch of autonomic nervous system that is responsible for fight or flight
Pineal gland
Endocrine gland that produces sleep hormone melatonin.
Pons
Part of the brain stem that regulates waking and relaxing.
Reticular formation
Part of the brain stem that regulates alertness.
SAME
sensory-afferent, motor-efferent
Seratonin
Neurotransmitter that is involved with Hunger, Arousal, Mood and Sleep
Temporal lobe
Lobe that contains the auditory cortex, which processes hearing.
Thalamus
Sensory switchboard for all senses except smell—routes info to proper region of cortex.
Wernickes Area
Region of the brain in left hemisphere that is responsible for understanding speech/language comprehension. Located at junction of temporal and parietal hemispheres.
Norepinephrine
Neurotransmitter that regulates arousal and alertness. Low supply linked to depression.
GABA
neurotransmitter that inhibits, tells thing to “not.” Oversupply can lead to no reactions, undersupply can lead to seizures.
Glutamate
Neurotransmitter involved with memory. Oversupply can lead to seizures or migraines.
Narcotics
Mimics endorphins (codeine, heroin, oxycodone)
Sedatives/Deppresants
Increases GABA production, decreases thinking (alcohol)
Stimulants
Mimics norepinephrine (cocaine, amphetamines)
Antidepressants
Blocks re-uptake of serotonin and possibly norepinephrine (Prozac, Effexor, Zoloft)
Black Widow Spider Venom
Stimulates release of acetylcholine (aches and pains, muscle movement)
Agonists
Drugs that increase the action of neurotransmitter
Antagonists
Drugs that decrease the action of a neurotransmitter
Curare (Tree Bark)
Blocks acetylcholine receptor sites
Botulin toxin
Blocks release of acetylcholine
Caffeine
Blocks adenosine receptors, and becuase adenosine is inhibitory excitement increases.
What are the 2 parts of the nervous system?
Peripheral and Central
2 types of beripheral nervous system
Autonomic and somatic
Autonomic
Controls self regulated action of internal organs and glands
Somatic
Controls voluntary movements of skeletal muscles
What is the peripheral nervous system made of?
Nerves
What is the Central nervous system made of?
Spinal cord and brain
What neurotransmitters does in Alzheimer’s patients?
Acetylcholine
Which neurotransmitter can cause schizophrenia when oversupplied?
Dopamine
Neurons for which neurotransmitter dies in Parkinson’s patients?
Dopamine
Which neurotransmitter is linked to depression when there’s a low supply?
Serotonin AND norepinephrine
Low supply of which neurotransmitter is linked to insomnia, seizures, and tremors?
GABA
High supply of which neurotransmitter can overstimulate the brain, causing seizures and migraines?
Glutamate