csd ch 7 Flashcards
nueron
basic unit of the nervous system, containing the cell body, the axon, and the dendrites
synapse
space between the axon of one neuron and the dendrites of the next
CNS central nervous system
spinal cord & brain; communicates with the rest of the body through the nerves
cerebellum
“little brain” = left & right hemispheres and a central vermis, located at the base of the brain. coordinates fine motor skills, maintains muscle tone, participates in motor learning.
Broca’s area
holds auditory information in working memory, located in the frontal lobe. exists in both sides but higher cell density is in the left hemisphere.
Wernicke’s area
incoming linguistic processing, located in the left temporal lobe
motor cortex
sends signals to the motor neurons for speech.
aphasia
A language disorder that affects a person’s ability to communicate.
It can occur suddenly after a stroke or head injury, or develop slowly from a growing brain tumor or disease.
Aphasia affects a person’s ability to express and understand written and spoken language.
Once the underlying cause is treated, the main treatment for aphasia is speech therapy.
literally; without language
hyperfluent speech
very rapid speech with few pauses
hemiparesis
a weakness on one side of the body in which strength and control are greatly reduced
hemiplegia
paralysis on one side
hemianopsia
blindness in the right visual field of each eye
dysphagia
difficulty swallowing or chewing, may be accompanied by drooling or gagging
anomia
difficulty naming things
hemisensory impairment
impaired sensation on one side of the body
