The previous examples cover use cases within wearable or lightweight portable assistive technologies. Speech assistive technologies can also compose emergency numbers on behalf of the customer. Another example of such technologies is the fall-detection device, an automatic dialling switch hanging from the neck of elderly people. The device contacts family members with an emergency preprogrammed call in instances of sudden falls. All these discussions lead towards a question that still remains unanswered– with such apparent diversity of options, how does this all come together for the user – and why would an industry develop dedicated solutions to generating such tools?
Why This Is Important
Let’s briefly review how assistive technologies affect the quality of life of elderly people. Due to recent technological innovations such as portable and wearable devices to aid communication by supporting different levels of functionality and human interaction, especially for non-speaking individuals: they provide neural feedback mechanisms. By providing visual or audio feedback to the elderly, they stimulate more communication and improve quality of life and interaction with other individuals:
They are lightweight, easily concealed, and cost-effective therapeutic solutions;
Some solutions allow the caretaker or the individual to personalize the vocabulary;
Multimodal access for items selection such as eye tracking, gestures, touchscreen displays, brain-computer interfaces, further improve customizability as the elderly can choose their preferred communication modality.
Where once a nonverbal or a minimally verbal individual was limited by the options presented to them, they now have personalized access to the ability to communicate, control their environment, and contribute in ways that were until recently very difficult, causing profound implications at the individual, familial and societal levels.
For the individual, it is not a significant recovery of cognitive function due to effective communication support and neurofeedback of such tech solutions is not unlikely. We, as tech contributors and developers, are motivated to imagine the improved relationship with family and friends, the feelings of integration or diminished isolation, and a better sense of agency and control over their own life. Importantly, such interfaces enable the elderly to communicate their life experiences as part of the human need to pass on their culture and experience to the next generations.
The impact of AAC on society is already – and will continue to be - profound. Among other benefits, assistive technologies help reduce the burden on staff and caretakers, thus reducing costs for palliative care and psychological therapies and reducing the possibility of misunderstandings and errors.
Every human being deserves to be given the opportunity to share their thoughts and experiences. Communication is not just a functional or transactional act; it is the means by which they expand the span of their well-being; it is a form of self-actualization. For many of us, this key facet of our identity will slowly slip away as we continue to age. Fortunately, we can prevent this with the right technology, allowing the oldest members of society to participate in it once again.
Notes: [1] https://en.wikipedia.org/wiki/Augmentative_and_alternative_communication, [2] https://www.nidcd.nih.gov/health/statistics/quick-statistics-voice-speech-language
References: Balandin and Morgan, 2001, Beukelman et al, 2009, Elsahar et al 2019, ter Hoorn et al 2016
This article was originally published here. Editors: Jwalin Joshi and Lillian Shallow, Cover: Chris Seo @ NeuroTechX Berkeley
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