In this work we present a systematic presentation attack against ECG biometrics. We demonstrate the attack’s effectiveness using the Nymi Band, a wrist band that uses electrocardiography (ECG) as a biometric to authenticate the wearer. We instantiate the attack using a hardware-based Arbitrary Waveform Generator (AWG), an AWG software using a computer sound card, and the playback of ECG signals...

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Migraine is a common episodic brain disorder characterized by recurrent attacks of disabling headache.(1) In one-third of patients, headache is preceded or accompanied by aura symptoms, which are transient and fully reversible hemispheric neurologic symptoms. In the absence of any objective marker, the diagnosis of migraine is clinical and based on the criteria proposed by the International Hea...

abstract the oldest comic playwright from ancient world, whose works have survived and reached us, is aristophanes the greek. names of many comic playwrights are found during the 5th century b.c. in ancient greece; however, works of none of whom is survived virtually complete. thus, the only criterion for judging comedies of golden age of ancient greece is applied to the works of aristophanes. ...