Central Nervous System Test Flashcards
4 main divisions of the brain?
Cerebrum
Diencephalon
cerebellum
Brain stem
What’s the largest part of the brain and how is it divided?
Cerebrum: left and right hemispheres
Another name for the cerebrum
Cerebral cortex
What is the cerebrum responsible for?
Memory, auditory sounds, emotions, sensory touch, planning
What are the 4 lobes of the cerebrum?
Frontal, parietal, temporal, occipital
What is the frontal lobe responsible for?
Reasoning, planning, emotions, speech, primary motor skills
What is the parietal lobe responsible for?
Sensory touch (pain, temperature,size)
What is the temporal lobe responsible for?
Auditory sounds, smell
What is the occipital lobe responsible for?
Visual processing
What 2 structures does the diencephalic include and what are their functions?
Thalamus: motor control, sensory, sleep/wake cycle
Hypothalamus: homeostasis/ regulates hunger
What does CNS stand for? What does it include?
Central nervous system includes the brain and spinal cord
3 parts of the brainstem and their responsibilities
midbrain: vision and hearing
pons: bridge, helps the cerebellum talk to the rest of the NS
medulla oblongata: vital functions; heartbeat, respiration
what structure is right below the medulla oblongata?
spinal cord
what structure of the brainstem means “bridge” in spanish and what does it connect?
pons: connects creebellum to NS
what part of the brain controls balance and coordination and plays a part in muscle tone?
cerebellum
whats the space that divides the left and right hemisphere?
longitudinal fissure
space that divided the cerebellum front he cerebrum?
transverse fissure
what are the shallow grooves of the cerebrum called?
sulcus
the bumpy parts of the cerebrum?
gyrus
where in the brain is Broca’s area found and what is it responsible for?
frontal hemisphere, the formation of speech