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Introduction to Communication Disorders
Final Review
86
Other
Undergraduate 2
12/16/2010

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Term
CVA
Definition
Cerebral Vascular Accident, or a stroke
Term
Aneurysm
Definition
blood vessel wall gets weak and swells up.
Term
TBI
Definition
traumatic brain injury
Term
Anoxia
Definition
lack of oxygen to the brain
Term
Neoplasm
Definition
tumor
Term
Neoplasm
Definition
tumor
Term
ALS
Definition
Lou Gehrig's disease, Amyotrophic lateral sclerosis. progressive loss of muscle control; loss of tone, strength, muscle atrophy and accompanying muscle fatigue
Term
Parkinson's Disease
Definition
rigidity of muscles, reduced movement, tremor
Term
Multiple Sclerosis
Definition
progressive disorder characterized by demyelization (deterioration of the myelin sheath)
Term
Huntington's Disease
Definition
13
Term
Myasthenia Gravis
Definition
muscle weakening because neural impulses can not be transmitted to the muscle properly
Term
Three factors important for movement
Definition
timing, strength, tone
Term
Motor Speech Disorders affect...
Definition
planning, coordination, timing, and execution of movement patterns in the speech system
Term
Types of Disorders
Definition
Dysarthrias or Apraxia
Term
Dysarthrias
Definition
a group of impairments that may affect speed, range, direction, strength, and timing of movements as a result of paralysis or weakness
Term
flaccid
Definition
Bell's Palsy, one side of the face hangs down
Term
Spastic
Definition
stiff and rigid
Term
Ataxic
Definition
problem with motor organization, control, affects timing and coordination
Term
Hyperkinetic
Definition
too much movement, caused by subcortical damage
Term
Hypokinetic
Definition
lack of appropriate movement - example, Parkinson's Disease
Term
Apraxia
Definition
affects the selection and sequencing of speech sounds
Term
Sound
Definition
vibration that has specific characteristics of pitch and intensity
Term
decibels (dB)
Definition
measure intensity
Term
Hertz (Hz)
Definition
measures frequency
Term
Pinna
Definition
outer ear
Term
Eardrum
Definition
tympanic membrane
Term
Eustachian Tube
Definition
connects middle ear with pharynx for equalization of pressure
Term
Ossicles
Definition
bones = malleus, incus, stapes
Term
Inner ear
Definition
cochlea
Term
Organ of Corti
Definition
center of the cochlea; contains sensory receptors responsible for encoding auditory information for the brain + semicircular canals (help with balance and spatial orientation)
Term
People with some degree of hearing loss
Definition
28.6 million
Term
Conductive
Definition
malfunction or obstruction in outer or middle ear
Term
Sensorineural
Definition
damage to the structures of the inner ear
Term
Normal Hearing loss
Definition
0-20 dB
Term
Mild Hearing Loss
Definition
21-40 dB
Term
Moderate Hearing Loss
Definition
41-55 dB
Term
Moderately Severe Hearing Loss
Definition
56-70 dB
Term
Severe Hearing Loss
Definition
71-90 dB
Term
Profound Hearing Loss
Definition
91+ dB
Term
Brainstem Auditory Evoked Response
Definition
measures electrical brain activity using specialized electrodes and computer software - can relay information about auditory function without using voluntary patient response
Term
CAPD
Definition
Central Auditory Processing Disorder, can "hear" speech or noise signal but cannot "process"
affects the auditory nervous system or Heschl's gyrus
Term
Audiologists need to have
Definition
AuD, CCC-A, state license; work with infants, young children, adolescents, adults and geriatric patientshave a strong interest in science and problem solving; identify, diagnose, treat and
prevent hearing problems; work in clinics, hospitals, operating rooms, schools, university clinics, private
practice; work on team with SLP, ENT, physician, teacher, parent
Term
Prosody
Definition
Fluency
Term
Habitual Pitch
Definition
average fundamental frequency
Term
Optimum Pitch
Definition
suitable pitch for individual
Term
Contact Ulcers
Definition
caused by trauma
Term
Vocal Polyps
Definition
caused by rupture of blood vessel
Term
Vocal Nodules
Definition
tissue reaction to trauma, may begin with vocal misuse
Term
Central Nervous System
Definition
brain + spinal cord
Term
Neuron
Definition
basic unit of the nervous system
Term
Nuerons in the CNS
Definition
85 percent
Term
Synapses
Definition
connect neurons
Term
Frontal Lobe
Definition
problem solving, judgement reason, executive function and logic
Term
Parietal Lobe
Definition
sensory information
Term
Occipital Lobe
Definition
vision and visual processing
Term
Temporal Lobe
Definition
speech and auditory information
Term
Sulci
Definition
valleys or indentations
Term
Gyri
Definition
smooth raised areas of the brain
Term
Heschl's gyrus
Definition
auditory processing
Term
Broca's area
Definition
speech production and programming
Term
Wernicke's area
Definition
language processing and formulation
Term
Brain Stem
Definition
automatic functions (breathing, heart rate, hunger, thirst, body temperature, and blood pressure)
Term
Thalamus
Definition
sending and receiving information to and from the sensory motor areas
Term
Cerebellum
Definition
responsible for regulating and controlling purposeful movements including fine and gross muscle movements and sensation, equilibrium; basal ganglion maintains postue and tone (regulates tonicity and background movement)
Term
Pyramidal Tract
Definition
direct route from motor cortex to cranial and spinal nerves, impulses are carried through the pyramidal route
Term
Extrapyramidal Tract
Definition
indirect connections throughout the brain, makes lots of stops, connects to networks in the thalamus, brain stem, basal ganglia, and cerebellum
Term
Contralateral Functioning
Definition
nerves and pathways cross each other, specialized functions, processing and analysis
Term
Cranial Nerves (#)
Definition
12
Term
Spinal Nerves (#)
Definition
31
Term
Aphasia
Definition
without language
Term
CVA
Definition
cerebral vascular accident
Term
ischemic
Definition
partial blockage of blood vessels to the brain
Term
hemmhoragic
Definition
blood vessel breaks and blood fills up the cavity in the brain
Term
Transient Ischemic Attack
Definition
temporarily blood gets stopped to the blood vessel, can lead to dementia
Term
Wernicke's Aphasia
Definition
Fluent
Term
Broca's Aphasia
Definition
Non-Fluent
Term
Boston Diagnostic Aphasia Examination
Definition
evaluates speaking, listening, reading, writing, and gesture
Term
Minnesota Test for Differential Diagnosis of Aphasia
Definition
comprehensive and measures all areas of language.
Term
Agraphia
Definition
inability to write
Term
Hemiplegia
Definition
paralysis on one side of the body
Term
Hemiparesis
Definition
weakness on one side of the body
Term
Agnosia
Definition
loss of sensory function
Term
Alexia
Definition
inability to read
Term
Hemianopsia
Definition
loss of sight in one visual field of both eyes
Term
Dysphagia
Definition
swallowing disorder
Term
Right Hemisphere Injury
Definition
-Change in personality
-Left neglect
-Impaired executive functions
-Poor visual and auditory comprehension skills
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