What is an ischemic stroke?
a type of stroke that occurs when a blood clot cuts off blood supply to the brain
What does the brain stem contain?
Midbrain, pons, medulla oblongata
Primary somatic sensory area
receives and localizes general sensations from the entire body
Broca's area
initiates the muscle movements for speech
What does the Wernicke's area do?
comprehends speech
What area of the brain, in the temporal lobe, has to do with memory and is the first to suffer damage in Alzheimer's?
The hippocampus
What are the dura mater, arachnoid mater, and pia mater collectively called?
Meninges
Visual cortex
interprets the basic visual information such as shape or color
Somatic sensory association area
interprets the sensory information and puts it into context with your past experiences
What does cerebral spinal fluid do?
protects brain from sudden jolts, helps maintain chemical stability, produced by the choroid plexus
What does the reticular formation do?
Receives information from various afferent nerves, especially from the face
The brain is cut into left and right halves along the
midsagittal section
Premotor area
works out sequence of signals needed for complex motion
Which area of the brain doesn't reach maturity until your 20's?
Frontal lobe
What is the dorsal horn made of?
Gray matter - mostly association neurons
What do commissures do?
connections of nerve fibers, allows 2 hemispheres of the brain to communicate, located in the corpus callosum
What is the biggest part of the brain? and how much does the brain weigh?
The cerebrum; the whole brain ways 3 lbs
visual association area
recognizes the meaning of visual information by putting it into context with your past experiences
Taste area
interprets taste
What is the main function of the ventricles?
to produce CSF
Where is the control center for subconscious motor functions found?
In the cerebellum
Where is the epidural anesthesia injected?
between the vertebral column and dura mater
Prefrontal area
site of motivation and foresight; regulates mod and emotion
are basal nuclei are lumps of gray matter located in the midst of white matter?
yes
What is each hemisphere of the brain divided into?
lobes