Computerized Mental State Measurement via Extrinsic Stimuli
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Solution Overview
Problem
Current methods for quantifying mental states such as pain, depression, and anxiety rely heavily on self-reported data from questionnaires, which are subjective and lack objectivity, failing to accurately represent the intensity and characteristics of mental experiences.
Innovation Solution
The development of systems and methods that present extrinsic stimuli to individuals, allowing them to adjust or select based on their mental states, generating correlations between stimulus adjustments and mental characteristics, enabling more objective assessments and treatment development.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If self-reported questionnaires are used to measure mental states, then the measurement process is simple and easy to administer, but the objectivity and accuracy of the measurement deteriorates
Solution Approach 1:
The patent introduces an intermediary system comprising a computer and standardized stimulus materials that mediates between the administrator and the subject. This intermediary delivers controlled sensory stimuli (visual, auditory, tactile) and automatically records responses, eliminating the need for manual scoring and interpretation while maintaining simple administration. The computer-based system ensures standardized delivery of stimuli and objective recording of responses, resolving the contradiction between ease of administration and measurement objectivity.
Solution Approach 2:
The patent replaces manual, mechanical assessment methods (paper questionnaires, interviewer administration) with a computer-based electronic system. The computer delivers stimuli through standardized output devices (monitors, speakers) and records responses digitally, substituting mechanical processes with electronic ones. This substitution maintains ease of administration through automated interfaces while dramatically improving objectivity through digital recording and standardized processing, eliminating human error and bias in measurement.
2Measurement precision
If standardized extrinsic stimuli are presented to subjects, then the objectivity of measurement improves, but the complexity of the measurement system increases
Solution Approach 1:
The patent designs a multi-functional computer-based system that performs multiple assessment functions through a single integrated platform. The same system delivers various types of standardized stimuli (visual, auditory, tactile), records different response modalities, and processes multiple types of data. This universal system approach consolidates what would otherwise require multiple separate devices and procedures, reducing overall system complexity while maintaining high measurement objectivity through standardized stimulus delivery and automated response recording.
Solution Approach 2:
The patent utilizes parameter changes in stimulus presentation (intensity, duration, frequency, modality) to assess different aspects of mental states without requiring fundamentally different measurement systems. By varying parameters of the same basic stimulus types through software control, the system can adapt to different assessment needs while using the same hardware platform. This parameter-based flexibility reduces device complexity compared to having separate specialized equipment for each type of measurement.
3Device complexity
If self-report methods are used, then the device complexity remains low, but the reliability and validity of the measurement deteriorates
Solution Approach 1:
The patent incorporates feedback mechanisms where the computer immediately presents stimuli and records responses in a controlled sequence, providing consistent feedback to the subject about stimulus presentation and response registration. This standardized feedback loop ensures that each assessment follows the same reliable procedure, eliminating variability introduced by different administrators or environmental factors. The automated feedback system maintains low device complexity while significantly improving reliability through consistent, repeatable measurement procedures.
Data Source
AI summary
Methods and systems are disclosed for quantitatively assessing mental states and/or characteristics of an individual. Specific mental states and/or characteristics, or properties thereof may, in some embodiments, be associated with one or more stimuli. In some embodiments, such stimuli may be administered to an individual, whereupon the individual's responses are usable to determine one or more aspects of the individual's mental affect. Some of the disclosed methods and systems are based at least in part on computerized and computer-associated devices.