Patent ID: 7472036
Filing Date: 2008-12-30
Classification: A61B,Y10S

Abstract:
1. A service providing system, comprising: an input section which receives a request of a user; an appliance operation control section which determines a response content in response to the request received at the input section; a presentation section which presents to the user the response content determined by the appliance operation control section; a biological signal detection section which measures an event-related potential of an electroencephalogram as a biological signal of the user; and a judgment section which judges presence or absence of a specific related-event potential after a predetermined period beginning at a starting point in the event-related potential measured by the biological signal detection section, the starting point being time when the presentation section presents the response content, wherein the judgment section includes: wherein the judgment standard storage section further stores at least one for-consecutiveness judgment standard for a case where the specific event-related potential occurs consecutively, and the user's state judgment section refers to the judgment result storage section, and when it has been judged that the specific event-related potential is present in the previous judgment, the user's state judgment section selects one of the for-consecutiveness judgment standard in the judgment standard storage section and judges presence or absence of the specific event-related potential with use of the selected for-consecutiveness judgment standard.