Objective Our objective was to review the characteristics, current applications, and
evaluation measures of conversational agents with unconstrained natural language input …

Background Chatbots, or conversational agents, have emerged as significant tools in health
care, driven by advancements in artificial intelligence and digital technology. These …

Voice assistants are software agents that can interpret human speech and respond via
synthesized voices. Apple's Siri, Amazon's Alexa, Microsoft's Cortana, and Google's …

From an accessibility perspective, voice-controlled, home-based intelligent personal
assistants (IPAs) have the potential to greatly expand speech interaction beyond dictation …

Voice assistants embodied in smart speakers (eg, Amazon Echo, Google Home) enable
voice-based interaction that does not necessarily rely on expertise with mobile or desktop …

Use of conversational agents, like chatbots, avatars, and robots is increasing worldwide. Yet,
their effectiveness in health care is largely unknown. The aim of this advanced review was to …

Although there are promising benefits of supportive technology in dementia care, use of
these technologies is still limited. It is challenging for researchers and developers in this field …

Background Voice-controlled intelligent personal assistants (VIPAs), such as Amazon Echo
and Google Home, involve artificial intelligence–powered algorithms designed to simulate …

Background: Smart Health technologies (s-Health technologies) are being developed to
support people with dementia (PwD) and their informal caregivers at home, to improve care …

Purpose We present a systematic literature review of dialogue agents for Artificial
Intelligence (AI) and agent-based conversational systems dealing with cognitive disability of …