01 - Normal Aspects of Voice Flashcards
What word should we use for voices that are functioning well?
What word should we not use?
Healthy
Normal
What are the three parameters of voice?
Pitch
Loudness
Quality
When is a voice pathological?
When one of the three parameters (pitch, loudness, & quality) is not appropriate for one’s age and/or gender
What do we need for Healthy Voice?
4
Intact Systems of:
Respiration
Phonology
Resonance
Neurology
What is the Biological function of the Larynx?
2
To protect the airway
To create subglottal pressure
What are the Overlaid/Secondary function of the Larynx?
2
Speech
Emotional/Linguistic Communication
What percent of the normal ADULT population has voice disorders?
Of school going CHILDREN?
3%
7%
What are two everyday occurrences that can cause voice disorders?
Physiological changes (colds, etc.)
Phonotrauma (excessive use - vocal abuse)
What are some ways that normal development can change the voice?
(4)
Growth (vocal fold length)
Muscle development - especially cricothyroid and thryroarytenoid
Changing structure of vocal fold tissues
Ossification of the larynx cartilage
What is the pitch of the birth cry?
700 Hz
How long are the vocal folds at birth?
At what rate do they grow?
2mm
Males - 0.7 mm per year
Females - 0.4 mm per year
What is the final length of the vocal folds?
16-17mm in males
10-11 mm in females
What is the RANGE of pitch of the male voice?
Of the female?
100-140 Hz (male)
180-250 Hz (female)
What is the AVERAGE pitch of the male voice?
Of the female?
125 Hz
225 Hz
What might also be found in female voices?
2
Breathiness
Huskiness
