We present results of a case study on effect of humanoid in comparison with voice-only communication on frontal brain activity of elderly adults. Our results indicate that use of humanoid induces an increase in frontal brain activity. Additionally, these results imply an increase in their salivary Immunoglobulin A (sIgA) Antibody, thereby suggesting physical embodiment as a potential health factor in communication with elderly individuals. Such increases in hormonal as well as frontal brain activity, as observed in healthy condition, suggest the potential that physical embodiment can offer to the solution concept of sustaining the process of cognitive decline associated with aging and its consequential diseases such as Alzheimer.
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