Card Set Information
Speech Hearing Science exam
Neural pathways that transmit sensory information toward the CNS are
The meninges are a protective system of issue and fluid surrounding what?
brain and spinal cord
The Central Nervous System is comprised of
Brain and spinal cord
The midbrain, pons, and medulla are components of the
Wernicke's area is located in which lobe?
The frontal lobe is primarily responsible for what skill set?
The sensory cortex is found on the postcentral gyrus located in which lobe?
The peripheral nervous system is comprosed of what?
cranial nerves and spinal nerves
cranial nerve origins are within the
the spinal cord is a continuation of the brainstem and contains the cell bodies for ______ pairs of spinal nerves?
What structure is first to respond to an emotional event?
What was the origin (etiology) of Marvin's disorder?
What are some changes in Marvin's personality that are evident because of his disorder?
he hasn't been able to work and cannot make important decisions
"For Marvin, memories are bereft of _______."
Emotions have specific neural circuitry.
Emotions have a purpose, which are life-saving at times.
What was the origin (etiology) of Johnny's disorder?
In PTSD, ________is ________ by emotion.
What part of the brain mediates the fear response of the amygdala?
What chemical initiates the "fight of flight" response?
What was the origin (etiology) of Lauren's disorder?
The prefrontal cortex is _____________ in depression
dull & silent
The emotional brain stops sending signals the prefrontal cortex during periods of chronic depression
There are critical periods during childhood where the brain is remarkably plastic.
Brain cells are called _____ their connections are called __________ and the chemicals they produce are called ________.
neurons, synapse, neurotransmitters.
touch, pressure, pain, proprioception, temperature from facial nerves
motor for face
controls facial expression
helps move larynx up and back
2/3 taste of tongue
posterior 1/3 tongue
left, descends into the chest under aorta into larynx
right, chest to subclavian artery before ascending
/a/ test gag reflex
taste buds around epiglottis
shortening, narrowing, elongating, and flattening of tongue
cranial, spinal cord
Lobes and their function
frontal-motor, Broca's area
parietal-sensory area, somatic sensory area
trigeminal V, Facial VII, Vestibulocochlear VIII, Glossopharyngeal IX, Vagus X, Hypoglossal XII
circle of Willis
the arteries that supply the brain are patterned in roughly circular fashion
controller of movement, speech, respiration, phonation, artic. & swallowing
weighs 1400 grams= 3 lbs
neurons/ glial cells (connective) (reproduce unlike neurons)
nourish gray matter (neurons) and remove waste
sends nerves away
attached to skull
cranial nerves orginates in
hemispheres are not mirror images of each other
outermost meningeal layer
cerebral spinal fluid
prevents the brain from crushing nerve roots and blood vessels into the skull
deeper grooves called fissures
emotions to events and behaviors
Choroid plexus fluid cells
manufacture cerebrospinal fluid, which travels around the brain and spinal cord and eventually drains into the veins.
major pathway linking the two hemispheres of the brain
longitudinal fissure, central sulcus, lateral sulcus
middle cerebral artery
supplies blood to cerebrum
not part of the Circle of Willis
crossing of motor fibers that pass from the brain the medulla and so on
between arachnoid mater/pia meter
acts as cushion for the skull
in front cerebellum
process/transmit info to and from cotrical locations
flow/direction of info