organic nitrates are commonly used in angina pectoris and ischemic cardiomyopathy. in order to optimize their effectiveness and patient convenience, several aspects must be observed. adequate doses, suitable dosage forms and asymmetric pattern of usage to prevent the nitrate tolerance are some factors that a physician must be familiar with. the objective of the present study was to define the p...

Despite vast efforts to better understand human learning, some principles have been overlooked; specifically, that less familiar stimuli are more difficult to combine to create new knowledge and that this is because less familiar stimuli consume more working memory resources. Participants previously unfamiliar with Chinese characters were trained to discriminate visually similar characters duri...

akayasu arteritis (TA) is a chronic vasculitis of unknown etiology that involves the aorta and its main branches, such as the innominate, carotid, subclavian, vertebral, and renal arteries, as well as the pulmonary and coronary arteries.1 This disease is more common in young females in Asia, Middle East, and Middle and South America than in Europe and North America. TA has 2 stages: an acute, “...

The visual system is tuned for rapid detection of faces, with the fastest choice saccade to a face at 100 ms. Familiar faces have a more robust representation than do unfamiliar faces, and are detected faster in the absence of awareness and with reduced attentional resources. Faces of family and close friends become familiar over a protracted period involving learning the unique visual appearan...