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Representing a subject's state of mind using a psychophysiological model

A technique of physiology, subjects, applied in the direction of psychological devices, details of informing user/patient communication, devices that cause changes in perceptual states, etc.

Inactive Publication Date: 2017-03-22
PALO ALTO RES CENT INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These types of devices may be much easier to wear on the body than helmets that include numerous EEG electrodes

Method used

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  • Representing a subject's state of mind using a psychophysiological model
  • Representing a subject's state of mind using a psychophysiological model
  • Representing a subject's state of mind using a psychophysiological model

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Embodiment Construction

[0045] Disclosed is a multi-parameter data-driven vectorized model that includes multiple physiological inputs (e.g., skin temperature, heart rate variability, inspiratory-expiratory heart rate, respiration rate, oxygen saturation, pulse arrival time / pulse conduction time, blood pressure, galvanic skin response, posture, movement, facial expression, voice tone and pitch, etc.) and multiple psychological outputs (eg, nervousness, gratitude, frustration, arousal, etc.). Psychological output is aggregated to represent the subject's state of mind. Remedial action may then be taken in response to the state of mind of the subject having been indicated.

[0046] It will be appreciated that those skilled in the art will readily appreciate the various aspects of obtaining physiological signals from a subject using non-contact based imaging methods as described in several incorporated references by Lalit K. Mestha, Edgar Bernal, Beilei Xu and Survi Kyal disclosed. The person will also...

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Abstract

What is disclosed is a system and method for representing a subject's state of mind given a plurality of physiological inputs. In one embodiment, a vector of physiological features is received. The vector of physiological features is provided to a psychophysiological model which comprises a plurality of models which fit the physiological features to psychological quantities, each representing a different state of mind. In a manner more fully disclosed herein, the psychological quantities are then aggregated to obtain an aggregate output that is representative of the subject's overall state of mind. Once the subject's state of mind has been represented, remedial action can then be taken.

Description

technical field [0001] The present invention is directed to systems and methods for representing a subject's state of mind given a plurality of physiological inputs. Background technique [0002] The sympathetic and parasympathetic nervous systems are two branches of the motor autonomic nervous system (ANS) that are part of the peripheral nervous system (PNS). These systems primarily control visceral functions such as heart rate, blood pressure, etc. outside of our awareness. The sympathetic portion is generally responsible for the excited state of the body, such as the "fight or flight" response. The parasympathetic part is generally responsible for the state of relaxation. Thought states such as tension, frustration, happiness, etc. are neural functions that often result in physiological responses. The innervation of the ANS is remote from various organ structures of the brain and can cause detectable changes in physiological parameters that can be measured with wearabl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/16
CPCA61B5/165A61B5/0205A61B5/318A61B5/369A61B5/389A61B5/08A61M21/00A61M2021/0044A61B5/1102A61B8/0883A61B5/0533A61B5/0077A61B5/74A61B5/7235A61B5/14542
Inventor L·K·梅斯泰X·文A·帕特卡F·琳恩
Owner PALO ALTO RES CENT INC
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