Avicenna, a Muslim scientist of the tenth and eleventh centuries has an important place in the history of medicine in Iran and the world. Furthermore, the modern medicine is laid upon the infrastructure of his medicine. In this article, the position of Avicenna in the medical history and the scientific influence of his medical works in particular Al-Canon in the development of medical literatur...

Agnosia is defined as a neurologic disorder through which the patient loses the ability to recognize persons, objects, shapes or sounds depending on the sense involved whereas the sense might not be defective and there might not be any memory loss (1). Chronologically, agnosia was first described by Carl Wernicke (1874) and Kuss-maul (1877) who tried to respectively explain receptive aphasia an...

according to the rules of quadruplet relations between concepts, muslim logicians have proved that relation between the negations of two concepts which are equal (musawi) or absolute-general-and-specific (‘amm wa khas-e mutlaq) are, respectively, equal and absolute-specific-and-general; but these rules come across some problems when the most inclusive concepts are involved, since the negation o...

Ibn Sina (Latin name - Avicenna, 980-1037) is a famous Muslim physician who wrote The Canon of Medicine. Pain-related writings within The Canon were identified and analysed and compared to Galen and Modern Pain Theory. We found evidence in The Canon that Avicenna challenged Galen's concept of pain. Galen insisted that injuries (breach of continuity) were the only cause of pain. In contrast, Avi...