Brain electric field sense of some types of fish. Each sensory system begins with specialized receptor cells, such as light-receptive neurons in the retina of the eye, or vibration-sensitive neurons in the cochlea of the ear. The axons of sensory receptor cells travel into the spinal cord or brain, where they transmit their signals to a first-order sensory nucleus dedicated to one specific sensory modality. This primary sensory nucleus sends information to higher-order sensory areas that are dedicated to the same modality. Eventually, via a way-station in the thalamus, the signals are sent to the cerebral cortex, where they are processed
Office of the Privacy Commissioner for Personal Data the Data Subject. The ordinance was passed in 1995. Data subject refers to : Examples of data subject protected by this ordinance include name, address, phone number, identity card number, photo, medical record and employment records. The data user, who collects, holds, or process this data is liable for any unlawful or wrongful use of this data. In 2010, it was reported that Octopus Card issuer has made HK$44 million in the past 4 1/2 years by selling cardholder data. This was disclosed in a special hearing conducted by the personal data privacy commissioner. Octopus Holdings chief executive Prudence Chan