ch 13 pt 3 overview of brain anatomy Flashcards
What are cerebral nuclei?
Gray matter deep in cerebrum
What function is cerebral nuclei?
Help regulate motor output
What function is caudate nucleus?
Helps produce pattern and rhythm of walking movements
What function is putamen?
Helps control movements at subconscious level
What function is globus pallidus?
Influences thalamus to adjust muscle tone
What is the function of claustrum?
Process visual information
What is the function of amygdaloid body?
Mood, emotions
What is the function of corpus striatum?
Striped appearance of internal capsule
Functions of epithalamus
Pineal gland and habenular nuclei
What is pineal gland
Melatonin
What is habenular nuclei?
Visceral and emotional responses to odors
Function of thalamus
Tells where everything goes in the brain
Functions of hypothalamus
Controls ANS, endocrine system, body temperature, food intake, water intake, sleep-wake rhythms, emotional behavior
What does the brainstem consist of?
Midbrain, pons, and medulla oblongata
What is the function of cerebral peduncles?
Carry motor commands from primary motor cortex
What is superior cerebellar peduncles?
Tracts connect cerebellum to medulla oblongata
What is the function of medial lemniscus?
Myelinated axons running through brainstem
What is the function of substantia nigra?
Producing dopamine
What is the function of tegmentum?
Postural motor control
What is the function of cerebral aqueduct?
Connects third and fourth ventricles
What is the function of superior colliculi?
Control visual reflexes and tracking
What is middle cerebellar peduncles?
Connect cerebellum to pons
What is the function of inferior colliculi?
Control auditory reflexes
What is the function of pontine respiratory center?
Regulates skeletal muscles of breathing
What is the function of superior olivary nuclei?
Sound localization
What is medulla oblongata?
Extension of spinal cord
What is inferior cerebellar peduncles?
Connect cerebellum to pons
What is the function of cardiac center?
Regulates hearts output
What is the function of vasomotor center?
Regulates blood vessel diameter
What is the function of medullary respiratory center?
Controls breathing rate
What does nucleus cuneatus and nucleus gracilis receive?
Somatic sensory information
What does nucleus cuneatus and nucleus gracilis send out?
Send signals to thalamus
What is vermis?
Narrow band of cortex between left and right lobes
What are the three regions of cerebellum?
Cerebellar cortex, arbor vitae, and deep cerebellar nuclei
What is cerebellar cortex?
Outer gray matter
What is arbor vitae?
Internal region of white matter
What is deep cerebellar nuclei?
Gray matter
Functions of cerebellum?
Balance, coordination, and memory
What is reticular activating system
Alertness - Association Area
