1. A method for searching information using a computer device associated with an information presentation area, the method comprising: displaying, on the information presentation area, a search window comprising at least one field for presenting search parameters including gaze search parameters and non gaze search parameters for a user, the gaze search parameters: representing a predefined set of specific mental conditions experienced by the user when the user viewed presented information during a certain period of time prior to displaying the search window; and being based on at least one of a duration of blinks and a pupil size of the user measured during the certain period of time when the user viewed the presented information; displaying the gaze search parameters as selectable posts in the search window, the set of selectable posts comprising a set of labels corresponding to the predefined set of specific mental conditions; and executing a query search on the computer device or on information hosts connectable to the computer device via networks, by using a selected combination of at least one of the gaze search parameters and at least one of the non gaze search parameters.