Psychological state assessment device, psychological state assessment method
US7231240B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2005 |
| Grant date | Jun 12, 2007 |
| Priority date | — |
| Expiry date | Sep 29, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/16
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
In order to offer a new and useful device in being able to objectively assess the psychological state when a subject performs an assignment, a psychological state assessment device is configured to irradiate a specified measurement site in the brain of a subject with near infrared light of a specified wavelength, to obtain time change data indicating time change data for the amount of blood and/or amount of blood components respectively while performing a task and while at rest, and to assess the psychological state of the subject while performing the assignment based on time change data during the rest period in comparison with time change data while performing the task.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.