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Cognitive biometrics: A very personal login

Date:
April 17, 2012
Source:
Inderscience
Summary:
Retina and iris scans, fingerprint and palm logins rely on possession of unique anatomical characteristics that you cannot forget as you might a password. A new review examines alternative approaches to user authentication.

Retina and iris scans, fingerprint and palm logins rely on possession of unique anatomical characteristics that you cannot forget as you might a password. But, Kenneth Revett of the British University in Egypt, in El-Sherouk City, reviews the state of the art in an alternative approach to user authentication in the inaugural issue of the International Journal of Cognitive Biometrics.

"Cognitive biometrics is a novel approach to user authentication and/or identification that utilises the response(s) of nervous tissue," explains Revett, who is the journal's academic editor. He explains that cognitive biometrics relies on the response of the subject when they are presented with a particular stimulus such as a familiar photograph, a song, a puzzle, or even a Rorschach ink blot.

The response can be acquired through a variety of techniques, including: electroencephalogram (EEG), an electrocardiogram (ECG), electrodermal response (EDR), blood pulse volume (BVP). Other techniques such as near-infrared spectroscopy (NIR), electromyogram (EMG), eye trackers (pupilometry), hemoencephalography (HEG), and related technologies might also be used. The validation of the user is then based on the matching of their response to the stimulus with a pre-recorded ECG, EEG or other metric. The stimuli are designed to elicit responses that are sensitive to the individual's genetic predispositions, modulated by subjective experiences.

Revett points out that cognitive biometrics can "provide a more intuitive and arguably a more robust and user-friendly authentication protocol that is suitable for both static and continuous authentication requirements," he says. It might also be combined with other related biometric techniques such as keystroke and/or mouse dynamics, which would increase the level of security to virtually any desired level. He adds that the inaugural issue of the journal not only introduces the concept of cognitive biometrics in more detail than ever before but also presents several papers that focus on a wide variety of issues, such as security and user adoption, associated with implementing cognitive biometrics. The range of papers focuses on factors such as how easy the data is to acquire, persistence, ease of generalisation and deployment issues, Revett adds.

"Provided the proper stimuli are presented, the stimulus-response paradigm provides a powerful methodology for evaluating the authenticity of the subject requesting authentication," he concludes.


Story Source:

The above story is based on materials provided by Inderscience. Note: Materials may be edited for content and length.


Journal Reference:

  1. by Ramaswamy Palaniappan, Kenneth Revett. PIN Generation Using EEG: A Stability Study. International Journal of Cognitive Biometrics, 2012

Cite This Page:

Inderscience. "Cognitive biometrics: A very personal login." ScienceDaily. ScienceDaily, 17 April 2012. <www.sciencedaily.com/releases/2012/04/120417113539.htm>.
Inderscience. (2012, April 17). Cognitive biometrics: A very personal login. ScienceDaily. Retrieved April 18, 2014 from www.sciencedaily.com/releases/2012/04/120417113539.htm
Inderscience. "Cognitive biometrics: A very personal login." ScienceDaily. www.sciencedaily.com/releases/2012/04/120417113539.htm (accessed April 18, 2014).

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