Page 41 - ITU KALEIDOSCOPE, ATLANTA 2019
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ICT for Health: Networks, standards and innovation




                                                              the  correspondence  between  the  behavioral  model  of  the
                                                              mouse and the acquired signals should be carefully aligned.
                                                              Since the anatomy of the mouse brain region is quite clear,
                                                              we  focus  on  the  visual  cortex,  the  rhythm  control  brain
                                                              region  and  the  hippocampus  which  is  responsible  for
                                                              memory.  The  mice  with  Alzheimer’s  disease  will  be
                                                              observed by dissection after the experiment, and whether the
                                                              symptoms  were  alleviated  (i.e.,  whether  the  amyloid
                                                              deposition in the brain has been significantly reduced).

                                                              After  many  repetitive  and  more  accurate  experiments  on
                                                              mice in the future, more experimental data of various visible
                                                              light signal constellation and modulation formats commonly
                                                              used in the visible light communications systems, light color
                                                              temperature, lighting frequency, continuous irradiation time
                                                              and  other  factors  will  be  obtained  for  the  comparative
                                                              analysis  and  clear  conclusions  can  be  drawn  with  greater
                                                              confidence. Based on this analysis, an experimental model
                                                              can be eventually established and this will pave the way, or
                                                              at least lay down the foundations, for future initial human
                                                              trials.
                                                                   5.  CONCLUSION AND FUTURE WORK

                                                              This paper introduces the basic concept, system architecture
                                                              and schematic diagram of the main functional modules of the
                                                              IoL network based on the combination of lighting LED and
                                                              ICT  technology  for  indoor  applications.  With  this
                                                              infrastructure,  the  concept  of  the  non-intrusive  optical
                                                              intervention  therapy  is  proposed  to  support  regulating  the
                                                              human  physiological  rhythm  while  maintaining  its  main
           Figure 6 - Results of local field potential signal analysis in   illumination  functionality.  The  related  research  plan  has
                       the hippocampal area of mice           been designed and carried out through a mouse experiment
                                                              to see the impact of the visible light irradiation on mice. The
                                                              feasibility  of  this  idea  is  conceptually  proved  from  the
                           4.  DISCUSSIONS                    preliminary experimental results which could bring a new
                                                              paradigm of treatments for nursing homes. In the future, we
           From  this  preliminary  experiment,  it  is  proved  that  the   will  further  explore  the  possibilities  from  the  following
           hippocampus of mice, in charge of learning and memory is   aspects with the help of current medical research progress on
           responsive  to  visible  light  modulation.  From  one  side,  it   degenerative diseases:
           suggests that in a realistic lighting environment, appropriate
           modulation methods could be utilized to help prevent, relieve   1   Treatment of Alzheimer's disease
           and treat some human diseases associated with this function.
           On  the  other  hand,  certain  measures  should  be  taken  to   Combining  more  experiments  on  mice  with  advanced
           reduce the possible  negative impact of lighting on human
           health if visible light communications with different signal   intelligent analysis, and also considering the combining
                                                                 effect of other traditional therapy. People can gradually
           waveforms  are  used  in  conjunction  with  illumination
           purposes for the indoor environment.                  explore  the  possibilities  of  reducing  or  removing
                                                                 Alzheimer's  disease  symptoms  by  this  non-intrusive
                                                                 treatment on human beings, especially for the elderly in
           The  experiment  is  to  let  normal  mice  and  mice  with   nursing homes.
           Alzheimer’s disease exposed to visible light with the similar
           lighting environment as that for the human brain to observe
           the  behavior,  rhythm  and  memory  changes  of  those  mice   2   Regulation of depression
           under an LED light source operating at different operating
           frequencies  (mainly  concerned  about  20Hz  ~  50Hz),   Designing  and  conducting  the  experiments  on  mice  to
           different color temperatures and different constellation and   confirm  the  effectiveness  of  alleviating  depressive
           modulation  methods.  The  EEG  signals  were  obtained  by   symptoms  by  adjusting  the  parameters  such  as  color
           electrodes  mounted  outside  the  mouse's  skull,  and  the   temperature  and  intensity.  The  experimental  treatment
           electrical  signals  of  their  specific  brain  regions  were   for the elderly can then be carried out in nursing homes.
           recorded   by   in-vivo   patch   clamps   and   other
           electrophysiological  techniques.  When  recording  the  data,   3   Explain how light and the nervous system interacts




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