Ignite Creation Date:
2024-05-05 @ 4:57 PM
Last Modification Date:
2024-10-26 @ 9:26 AM
Study NCT ID:
NCT00352326
Status:
COMPLETED
Last Update Posted:
2017-05-19
First Post:
2006-07-12
Brief Title:
Optimizing Assisted Communication Devices for Children With Motor Impairments Using a Model of Information Rate and Channel Capacity
Sponsor:
University of Southern California
Organization:
University of Southern California
Study Overview
Official Title:
Optimizing Assisted Communication Devices for Children With Motor Impairments Using a Model of Information Rate and Channel Capacity
Status:
COMPLETED
Status Verified Date:
2017-05
Last Known Status:
None
Delayed Posting:
No
If Stopped, Why?:
Not Stopped
Has Expanded Access:
False
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
None
Brief Summary:
For children who depend on devices to communicate the rate of communication is a primary determinant of success For children with motor impairments the rate of communication may be limited by inability to contact buttons or cells rapidly or accurately It is therefore essential to know how to adjust the device interface in order to maximize each childs rate of communication The optimal rate of communication is determined by the Channel Capacity which is the maximum value of the Information Rate for all possible keyboard button or cell layouts for the communication device We construct a mathematical model for the information rate based on the relationship between movement time and the number of buttons per screen the size of the buttons and the length of a sequence of buttons that must be pressed to communicate each word in the vocabulary We measure the parameters of the model using a custom-programmed touch-screen interface
Detailed Description:
None
Study Oversight
Has Oversight DMC:
None
Is a FDA Regulated Drug?:
False
Is a FDA Regulated Device?:
False
Is an Unapproved Device?:
None
Is a PPSD?:
None
Is a US Export?:
None
Is an FDA AA801 Violation?:
None