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Engineering - Biomedical Engineering | Autonomic Nervous System Dynamics for Mood and Emotional-State Recognition - Significant Advances

Autonomic Nervous System Dynamics for Mood and Emotional-State Recognition

Significant Advances in Data Acquisition, Signal Processing and Classification

Valenza, Gaetano, Scilingo, Enzo Pasquale

2014, XIX, 162 p. 49 illus., 36 illus. in color.

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  • Demonstrates methods useful for engineers and computer scientists in increasing the ability of machines to monitor and recognize human emotional states
  • Design of wearable monitoring systems will help clinicians to assess the mental and emotional state of their patients
  • Facilitates the study of physiological changes associated with normal and abnormal changes in affect
This monograph reports on advances in the measurement and study of autonomic nervous system (ANS) dynamics as a source of reliable and effective markers for mood state recognition and assessment of emotional responses. Its primary impact will be in affective computing and the application of emotion-recognition systems.
Applicative studies of biosignals such as:
  • electrocardiograms;
  • electrodermal responses;
  • respiration activity;
  • gaze points; and
  • pupil-size variation

are covered in detail, and experimental results explain how to characterize the elicited affective levels and mood states pragmatically and accurately using the information thus extracted from the ANS.
Nonlinear signal processing techniques play a crucial role in understanding the ANS physiology underlying superficially noticeable changes and provide important quantifiers of cardiovascular control dynamics. These have prognostic value in both healthy subjects and patients with mood disorders. Moreover, Autonomic Nervous System Dynamics for Mood and Emotional-State Recognition proposes a novel probabilistic approach based on the point-process theory in order to model and characterize the instantaneous ANS nonlinear dynamics providing a foundation from which machine “understanding” of emotional response can be enhanced.
Using mathematics and signal processing, this work also contributes to pragmatic issues such as emotional and mood-state modeling, elicitation, and non-invasive ANS monitoring. Throughout the text a critical review on the current state-of-the-art is reported, leading to the description of dedicated experimental protocols, novel and reliable mood models, and novel wearable systems able to perform ANS monitoring in a naturalistic environment.
Biomedical engineers will find this book of interest, especially those concerned with nonlinear analysis, as will researchers and industrial technicians developing wearable systems and sensors for ANS monitoring.

Content Level » Research

Keywords » Advanced Statistical and Nonlinear Signal Processing - Affective Computing - Autonomic Nervous System Dynamics - Emotion Recognition - Mood Recognition - Physiological Modeling - Wearable Monitoring Systems

Related subjects » Artificial Intelligence - Biomedical Engineering - Computational Intelligence and Complexity - Neuropsychology - Neuroscience - Signals & Communication

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