Brain–Computer Interface-Based Fear Detection: A Self-defense Mechanism

  • Rheya ChakrabortyEmail author
  • Arup Kumar Chattopadhyay
  • Animesh Kairi
  • Mohuya Chakraborty
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 811)


In this paper, brain–computer interface (BCI)-based fear signal detection and subsequent self-defense system has been presented. Self-defense is a countermeasure that involves protecting the health and well-being of oneself from detriment by others including human beings, animals. The system aims at designing an automated alert mechanism that operates involuntarily by taking into consideration the biological signals of a human being without the knowledge of the victim. This device is known as Silent Alert Self-Defense System (SiLERT). It is a small device that may be embedded in a cap, which monitors the human heartbeat rate and brainwaves to detect the fearful condition of a person when he is in danger. Upon detection of fear signals, the system automatically dials and sends emergency alert information including the location of the user via GPS to some predefined mobile numbers silently without the knowledge of the victim and attacker for help. The system has been designed and implemented using heartbeat and brain sensors along with a microcontroller to do the necessary steps. Real-time experimental results for two cases performed on two persons show the normal as well as fear state of mind. The GSM module attached to the system which automatically sends alert to the predefined mobile numbers is clearly shown experimentally.


Brain–computer interface Brainwaves Fear signal Heartbeat Automatic Involuntary Self-defense Silent alert 


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Copyright information

© Springer Nature Singapore Pte Ltd. 2019

Authors and Affiliations

  • Rheya Chakraborty
    • 1
    Email author
  • Arup Kumar Chattopadhyay
    • 2
  • Animesh Kairi
    • 2
  • Mohuya Chakraborty
    • 2
  1. 1.Department of Electronics & Communication EngineeringInstitute of Engineering & ManagementSalt Lake, KolkataIndia
  2. 2.Department of Information TechnologyInstitute of Engineering & ManagementSalt Lake, KolkataIndia

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