Sensory Technologies Flashcards
Who evaluates hearing
-audiologist
-ENT physician
What is evaluated in a hearing evaluation
-Auditory thresholds (amplitude, frequency)
-Nature of impairment: progressive vs non-progressive
Noise rated ___ dB or higher, if heard for prolonged periods, can cause permanent damage to the hairs in the cochlea
80
Amplitude of conversational speech
40-80 dB
Frequency of conversational speech
250-4,000 Hz
Normal hearing frequency range
20-20,000 Hz
Goals of hearing technology
-improve social interaction
-improve speech articulation
-improve personal communication skills
-provide alternative feedback
-improve safety
technologies for deafness
-Interpreters, sign language, lip reading
-fax machines
-telephone usage (TDD or TTY, relay operators)
-internet
-cochlear implants
-texting
telephones for deafness
-telecommunication device for the dear (TDD)
-text phones
-telecommunication relay services (TRS)
-711 access
-text communication
-video relay service (capTel)
-speech to speech service
-voice carry-over
-hearing carry-over
Internet, PDA, smartphone technology for deafness
-TTY option
-text messaging
-video cam
-skype/Zoom
Technology for access to audio information
-closed captioning
-computer-aided real time captioning
-audio to visual signaling devices
-audio to vibrating signaling devices
-service dogs
Types of hearing aides
-behind the ear
-receiver in canal
-in the ear
-in the canal
-completely in canal
-invisible in canal
TTY
TDD
relay services
voice carry-over
hearing carry over
audio to visual signaling devices
audio to vibrating signaling devices
induction loop amplification
neckloops for use with hearing aides
FM assistive listening systems
infrared assistive listening systems
Goals of vision technologies
-provide access to information and reading
-enhance writing ability
-indep in orientation and community mobility
-indep with ADLs
-allow participation in recreation
General strategies to enhance visual acuity
-enlarge object
-increase illumination
-increase constrast
general strategies to improve visual control
-reduce speed
-reduce depth of field
-enlarge target size
-glasses with prism lenses or patch
Reading technologies for the blind
-recorded audio materials
-braille
-electronic reading machines
-optical character recognition/screen readers
Cell phone access features for blindness
-comprehensive voice output of information on the visual display
-audio alerts
-accessible input and controls (voice access)
-displays with enhanced accessibility for individuals with some usable vision
talking compass
the most common personal needs for assistive technology by individuals with hearing impairment or deafness, include all of the following EXCEPT:
a. improved social communication
b. access to auditory information
c. devices to improve memory and retention
d. concerns for safety
c
appropriate technologies for individuals with vision loss or blindness include all of the following except:
a. computer screen reader software
b. bisual signaling devices
c. text messaging for smartphone
d. captioning software for videos and TV
a
appropriate technologies for individuals with vision loss or blindness include all of the following except:
a. audio amplification to aid recall and retention for verbal instructions
b. screen reader software for computer access
c. navicational aids (including GPS) for travel and mobility
d. audio translation for text files
a
