Feedback parameter (the C factor) is an important parameter for a semiconductor laser operating in the regime of external optical feedback. Self-mixing interferometry (SMI) has been proposed for the measurement of the parameter, based on the time-domain analysis of the output power waveforms (called SMI signals) in presence of feedback. However, the existing approaches only work for a limited r...

OBJECTIVES Reasons for predonation deferral of young potential donors and prospects of recruiting and retaining young people (age 18-29) as voluntary blood donors were studied. STUDY DESIGN AND METHODS Three different sources of data were analysed: (i) the subsequent donation history of 2057 donors who started their donation career at the Blood Bank of Oslo (BBO) in 1999, age and gender of al...

Abstract G&K provide a new and interesting perspective on consciousness, by arguing that consciousness is a product of social perception. Based on the overlap between the neural mechanisms underlying spatial awareness of other people and oneself, out-of-body experiences (OBEs), and social perception the authors argue that consciousness is based on the brain signals that represent other people a...

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