The invention relates to a system allowing the acquisition and processing of data representative of the physical or mental activity and/or of the physiological state of human or animal individuals. This system includes, for each individual, a unique individual electronic box encasing several sensors capable of measuring physical and/or biological quantities related to the physical and/or biological activity of the wearer of the box and of returning information. Each electronic box moreover is provided with an interface for radio communication with a device allowing the management of the data gathered from the individual boxes and management.
