Contactless and minimal-contact monitoring of quality of life parameters for assessment and intervention

Abstract

An apparatus, system, and method for the measurement, aggregation and analysis of data collected using non-contact or minimally-contacting sensors provides quality of life parameters for individual subjects, particularly in the context of a controlled trial of interventions on human subjects (e.g., a clinical trial of a drug, or an evaluation of a consumer item such as a fragrance). In particular, non-contact or minimal-contact measurement of quality-of-life parameters such as sleep, stress, relaxation, drowsiness, temperature and emotional state of humans may be evaluated, together with automated sampling, storage, and transmission to a remote data analysis center. One component of the system is that the objective data is measured with as little disruption as possible to the normal behavior of the subject. The system can also support behavioral and pharmaceutical interventions aimed at improving quality of life.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]The present application is a continuation of U.S. application Ser. No. 14 / 947,777, filed Nov. 20, 2015, which is a continuation of U.S. application Ser. No. 13 / 120,640, filed Mar. 23, 2011, now U.S. Pat. No. 9,223,935, which is a national phase entry under 35 U.S.C. § 371 of International Application No. PCT / US2009 / 058020, filed Sep. 23, 2009, published in English, which claims the benefit of U.S. Provisional No. 61 / 099,792, filed Sep. 24, 2008, all of which are incorporated herein by reference. The present application is also a continuation of U.S. patent application Ser. No. 12 / 565,371, filed Sep. 23, 2009, which claims the benefit of U.S. Provisional No. 61 / 099,792, filed Sep. 24, 2008, both of which are incorporated herein by reference.BACKGROUND OF THE INVENTION[0002]This disclosure relates to the measurement, aggregation and analysis of data collected using non-contact or minimal-contact sensors together with a means for capturing s...

AI Technical Summary

Benefits of technology

The patent describes an invention that allows for non-invasive monitoring of quality-of-life parameters, such as sleep and stress, using contact-free or minimal-contact sensors. The system includes a sensor unit placed near the subject, an input device for collecting subjective responses, a device for aggregating and transmitting data, a display for showing information, and a data archiving and analysis system. The system can also include a processing capability to generate quality-of-life parameters based on the objective and subjective measurements. The objective data can be measured without disrupting the subject's normal behavior. The invention has low cost and is easy to use.

Problems solved by technology

A particular challenge then arises when one wishes to measure the impact of an intervention on changes in QOL.

However, measurement of QOL is difficult to conduct for a number of reasons, which various aspects of this disclosure can overcome: (a) it can be difficult to define a suitable measure for a QOL outcome, (b) by wearing a measurement device to measure QOL, one may directly impact on the exact quality-of-life parameter you wish to study, (c) there are logistical and financial challenges of measuring parameters in a natural “home” setting rather than in a formal laboratory setting.

Firstly, defining “sleep quality” as it relates to quality of life can be difficult, as this will often be a combination of objective and subjective measurements.

While the resulting physiological measurements are very rich, their measurement fundamentally alters the sleeping state of the subject (e.g., it is harder for them to turn over in bed), and cannot represent a true QOL sleep measurement.

Finally, the current cost of the polysomnogram test (approximately $1500 in 2008) makes it an impractical tool for measurement of sleep quality in large numbers of subjects over long periods of time.

However, measurement of heart rate variability typically requires the subject to wear electrodes on the chest, which is often impractical for situations of daily living.

Likewise, collection of cortisol samples to assess stress requires frequent collection of saliva samples, and is difficult to integrate into a daily living routine.

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