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Capturing and Reviewing Context in Memory Aids

Capturing and Reviewing Context in Memory Aids. Matthew Lee Anind Dey Carnegie Mellon University Human-Computer Interaction Institute. Recent Episodic Memory. Recent episodic memory loss Anterograde amnesia Difficulty encoding an experience into long term memory

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Capturing and Reviewing Context in Memory Aids

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  1. Capturing and Reviewing Context in Memory Aids Matthew LeeAnind Dey Carnegie Mellon UniversityHuman-Computer Interaction Institute

  2. Recent Episodic Memory • Recent episodic memory loss • Anterograde amnesia • Difficulty encoding an experience into long term memory • (e.g. Dory from Finding Nemo) • Affects people with Alzheimer’s disease, Korsakoff’s syndrome, other brain trauma, and elders • Research goal: facilitate awareness of recent experiences using capture & review • to maintain a sense of self and continuity • leading to greater independence and confidence April 22, 2006

  3. Passive Capture • What to capture? • Sensors are good for capturing low-level details of a situation. • e.g. objects, people, sounds, location, time, temperature, weather, physiological state • Essentially, this is the “context of memories” • Passive capture • Does not require explicit user action to initiate capture • Minimize the cost of capture April 22, 2006

  4. Reviewing Context • Present the context of memories as: • cues for memory recollection • building-blocks for memory reconstruction • Exercising intact cognitive abilities • Assist memory abilities, not replace it • Mental exercise may slow the progression of degenerative diseases like Alzheimer’s disease (DeVreese, et al, 1997) April 22, 2006

  5. Ethnography • People with early Alzheimer’s disease and their caregivers in their homes • To determine: • What cues to capture? • What is the best way to present cues? • What existing strategies are used to compensate for episodic memory impairment? • How to integrate capture and review into routines? • Results will be used to design a context-aware memory aid for people with episodic memory impairments. April 22, 2006

  6. Questions • What are the best practices in conducting an ethnography of people with cognitive disabilities? • How to evaluate the effectiveness of a memory aid? • Effective if users adopt it? • Effective if users like it? • Effective if users abilities don’t decline? April 22, 2006

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