AAC Motor Access & Alternative Input Methods 3

Question 1

Which professional is MOST qualified to evaluate seating, positioning, and mounting needs for AAC users with complex physical disabilities?

Accepted Answer

An occupational therapist specializing in assistive technology

Answer

A speech-language pathologist working alone

Answer

An audiologist experienced with hearing devices

Answer

A special education teacher with AAC training

Question 2

A child with cerebral palsy shows reliable movement in one finger but inconsistent head control. Which access method should be trialed FIRST?

Accepted Answer

Single-finger direct touch with a keyguard

Answer

Eye gaze with calibration support

Answer

Head mouse tracking with dwell selection

Answer

Row-column scanning with automatic timing

Question 3

What is 'access assessment' in AAC clinical practice?

Accepted Answer

The systematic evaluation of a user's physical abilities to determine how they can best control an AAC device

Answer

Evaluating a user's comprehension of symbol vocabulary

Answer

Assessing a user's phonological awareness and reading readiness

Answer

Reviewing insurance eligibility and device funding options

Question 4

When mounting an AAC device to a wheelchair, which factor takes highest clinical priority?

Accepted Answer

Positioning the device optimally for the user's specific access method and motor control

Answer

Ensuring the screen is visible to observers across the room

Answer

Selecting the least expensive mounting hardware available

Answer

Placing the device at eye level for communication partners

Question 5

What is the clinical term for the identified body part and movement pattern a user can consistently and voluntarily control to activate a switch?

Accepted Answer

Reliable access site

Answer

Dwell threshold

Answer

Motor latency window

Answer

Switch activation zone

Question 6

During an AAC access trial, a user with ALS consistently overshoots targets on a touchscreen. What adaptation should be considered FIRST?

Accepted Answer

Enlarging target size and/or applying a keyguard

Answer

Switching to a vocabulary display with smaller symbols

Answer

Increasing the device's speech output volume

Answer

Reducing target size to challenge precision training

Question 7

What primarily differentiates 'directed scanning' from 'automatic scanning'?

Accepted Answer

In directed scanning, the user actively controls scanning direction and pace using switches

Answer

Directed scanning always requires a single switch; automatic scanning always requires two

Answer

Directed scanning operates faster than automatic scanning by design

Answer

Automatic scanning is only compatible with eye gaze technology