The Decision-Making System for Alzheimer’s Patients by Understanding Ability Test from Physiological Signals

  • Peijia Liao
  • Fangmeng Zeng
  • Iwamoto Miyuki
  • Noriaki KuwaharaEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 11582)


In recent years, end-of-life medical care and property allocation for Alzheimer’s patients have received attention. Due to the declining birthrate and aging society, there will be more and more patients with Alzheimer’s disease in the future. However, many patients with Alzheimer’s disease are unable to make decisions as they wish, and people around them are also pressured to make decisions for them. Therefore, this study uses physiological signals to identify patients with Alzheimer’s disease to judge understanding degree. At the same time, judge the emotional changes to help them better to express and live as they wish at the end of life. In this paper, we have improved the indistinctness of the unclear spectrogram of Brain Waves (EEG) used by the Short Time Fourier Transform (STFT), and improved the Wavelet Transform (WT) is better than STFT. We let the experimenter to solve the logical graphic questions in a specified time, collect the EEG of the experimenters and analyze it. Comparing the spectrogram of EEG when the experimenter gets the answer and judge the understood degree with CNN of Deep-learning.


Alzheimer’s patients Decision making Understanding degree Brain waves 


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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Peijia Liao
    • 1
  • Fangmeng Zeng
    • 1
  • Iwamoto Miyuki
    • 2
  • Noriaki Kuwahara
    • 1
    Email author
  1. 1.Graduate School of Engineering and ScienceKyoto Institute of TechnologyKyotoJapan
  2. 2.Department of Intelligence Science and TechnologyKyoto UniversityKyotoJapan

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