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Comm Disorders Quiz 2
Comm Disorders Quiz 2
39
Communication
Undergraduate 1
02/22/2012

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Term
Roberts Syndrome
Definition
A rare birth defect that leads to retardation and cleft pallets. Very rare.
Term
Acoustics
Definition
The Study of Sound
Term
Sound
Definition
Energy transmitted by pressure waves in the air.
Term
Hearing
Definition
The perception of sound.
Term
Pinna
Definition
Responsible for sound localization
Term
Tempantic Membrane
Definition
The separation between the outer and middle ears. If a sound is more intense, the Tm vibrates more.
Term
Hair Cells
Definition
Contained in the Organ of Corti. Changes hydrolic energy into electrochemical
Term
Frequency
Definition
The number of cycles per seconds or the Hertz.
Term
Pitch
Definition
Perception of Frequency
Term
Period
Definition
Amount of time required to complete one cycle.
Term
Amplitude
Definition
Three types;
Instantions - Amp at a given point
Peak Amplitude - Max amp of a sine wave
Peak to Peak - Max -> Min
Term
Intensity
Definition
The magnitude of a certain sounds. Measured in Decibels (dB)
Term
Loudness
Definition
The perception of intensity.
Term
Decibel
Definition
Based on a logarithmic scale
Based on a reference pressure/sound
0 dB does not mean no sound
Term
Periodic Sound
Definition
A sound that repeats over time.
Term
Aperiodic
Definition
A sound that is random in nature.
- White noise
Term
Speech Audiometry
Definition
How big of an impact on life and measures the threshold for speech.
Term
Threshold Level (Speech)
Definition
The lowest level of frequency that is heard 50% of the time. Use normal loss to check for hearing loss.
Term
Normal Ranges
Definition
0-15 dB - Kids
0-25 dB - Adults
0-45 dB - Elderly
Term
Air Conduction
Definition
Provides an assessment of the functional integrity of all levels of the ear.
Term
Bone Conduction
Definition
Used to test the status of the inner ear/Cohela. Disregurads outer and middle ear.
Term
Tympenomety
Definition
A test used to detect disorders in the middle ear.
Term
Acoustic Reflexes Test
Definition
Contraction of Inner Ear muscles to a loud sound.
Term
Otoacoustic Emission (OAE)
Definition
Sounds produced by the ear in response to a sound.
Term
Conductive Hearing Loss
Definition
Problem with outer or middle ear.
Term
Retrocochlear
Definition
Problems that occur beyond the Cohela (CNA/CAN)
Term
Nasal
Definition
Oral Closure, produced through the nose. (M,N,NG)
Term
Glides
Definition
Gliding motion of articulatiors, change shape in the process. (Y,W)
Term
Fricitives
Definition
Constriction of air through a narrow passage.(S,Z,V,F,H,TH)
Term
Affricites
Definition
Complete clouse of articulators. (Ch,J)
Term
Plausitives/Stops
Definition
Complete blockage then open (B)
Term
Coarticulation
Definition
When one sound influences the sound of another word.
Term
Speech Disorder
Definition
Inability to produce sounds correctly/fluently.
Term
Unknown Origin
Definition
A type of phonological disorder that has no know cause.
- Persistent speech errors
- Elmur Fud
- Unintelligibility
Term
Otitis Media W/ Effusion (OME)
Definition
Problems caused by frequent ear infections. Caused by fluid in the middle hear resulting in hearing being muffled.
Term
Structural Defects
Definition
A defect with an speech articulation such as the teeth, tongue lips, pallet, etc.
Term
Down Syndrome
Definition
A disorder that affects about 1-700 kids. Kids have retardation, heart issues, along with difficulty producing sounds.
Term
Accent
Definition
Specific cultural traits that carry over to ones 2nd language (Stat ta)
Term
Dialect
Definition
Specific ways of pronouncing/saying certain words.
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