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Creating a digital memory notebook application for individuals with mild cognitive impairment to support everyday

Nisha Raghunath1, Jessamyn Dahmen2, Katelyn Brown1

  • 1Department of Psychology, Washington State University, Pullman, WA, USA.

Disability and Rehabilitation. Assistive Technology
|March 26, 2019
PubMed
Summary
This summary is machine-generated.

This study developed a digital memory notebook (DMN) to aid individuals with memory impairment. The final DMN version was highly rated for usability and satisfaction, proving user-friendly across diverse cognitive abilities.

Keywords:
Memorycompensationiterative designolder adultsrehabilitationusability testing

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Area of Science:

  • Neuroscience
  • Human-Computer Interaction
  • Rehabilitation Technology

Background:

  • Memory impairment significantly impacts functional independence, often requiring external memory aids.
  • Current memory aids can be challenging to learn and consistently use.
  • Technology offers potential to enhance the effectiveness of memory rehabilitation strategies.

Purpose of the Study:

  • To iteratively develop and assess the usability of a digital memory notebook (DMN) application.
  • To evaluate user satisfaction and task performance with the DMN across multiple development iterations.
  • To determine if the DMN is user-friendly for individuals with varying cognitive abilities and technological familiarity.

Main Methods:

  • Usability testing with 20 participants (aged 54+) across four iterations.
  • Participants completed tasks using the DMN and then rated satisfaction and usability.
  • Utilized the Questionnaire for User Interface Satisfaction and Post-Study System Usability Questionnaire.

Main Results:

  • Significant reductions in task completion times were observed between DMN Iterations 2 and 5.
  • Participants in Iteration 5 reported high satisfaction and usability ratings.
  • Task performance and system ratings were not correlated with participants' cognitive abilities, technology comfort, or prior scheduling tool use.

Conclusions:

  • The final iteration of the digital memory notebook (DMN) is easy to use and user-friendly.
  • The DMN effectively supports individuals with memory impairment, regardless of cognitive ability or tech-savviness.
  • Future research will focus on the DMN's impact on everyday memory lapses and functional independence.