Cognitive Process during Palpation and Basic Concept of Remote Palpation System
arxiv(2024)
摘要
This paper will examine the cognitive processes involved in palpation in
order to develop an appropriate remote palpation system. In a conventional
remote palpation system, the tactile condition of the patient is conveyed to
the doctors using a force feedback system. A clarification of the cognitive
process during palpation suggests that the purpose of palpation is to formulate
a clear idea about the patient's medical problems using the tactile sensation
as a trigger to combine the results of other assessments, past experience and
memory, and patient reactions to the doctor's touch. This is in contrast to the
objective of acquiring the detailed tactile condition of the affected body
part. In order to demonstrate this purpose, we will describe the two
significant signal pathways for the perception of tactile sensation, both in
doctors and patients. The perception of doctors progresses as the result of
active touch to the affected part, thereby implying that the simultaneous
stimulation of kinaesthetic and tactile sensation is necessary. Conversely, the
tactile sensation experienced by patients is the result of passive touch, which
evokes a more subjective and emotional response. Patients both explicitly and
implicitly perceive the stimulation, and doctors use these perceptions as
reactions of the pain to the doctors' touch. This paper proposes the
fundamental concept of a remote palpation system, “Palpation Reality beyond
Real”, to achieve the purpose of palpation. Palpation reality implies a system
in which the whole cognitive process progresses at the same level or better
than palpation in the standard examination, rather than presenting the real
tactile sensation.
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