muhammad ibn hamed isfahani more popularly known as imad ad-din al-isfahani was a persian historian, scholar, and rhetorician. he left a valuable anthology of arabic poetry to accompany his many historical works. and worked as a man of letters during the zengid and ayyubid period. he was born in isfahan in the year 1125, and studied at the nizamiyya school in baghdad. he graduated into the bure...

since the beginning of the presence of the holy qur’an, criticism and rhetoric have received attention in the areas of culture and thought, too. in this respect we can name some literary and rhetorical works like maj?z al-qur’?n by abu ubaydah ma’mar ibn muthann?, ket?b al-fas?hah by abu h?tam sajest?ni, e’j?z al-qur’?n by j?hez basri, naqd al-nathr wa naqd al-she’r by abu al-faraj qud?mah ibn ...

baha’ al-dawlah razi was one of the most important physicians in safafid dynasty in iran. he wrote his large medical book, kholasat al-tajarob at 1501 ad. he worked as physician in the courts of two dynasties, teimurid and safavid. he had interesting innovations and findings in surgery, immunology and also in treatment. as examples, we can note to his description of pertussis and also his oral ...

Literature, one of the branches art, on hand, feeds aesthetic feelings a person, and other it makes important contributions to his cultural, mental, moral development. Each literary work reflects time period in which was written, social cultural structure geography allows us better evaluate this period. Makamat is defined more terms its shape style as narration story by narrator over an imagina...

Enhanced sensitivity to information of negative (compared to positive) valence has an adaptive value, for example, by expediting the correct choice of avoidance behavior. However, previous evidence for such enhanced sensitivity has been inconclusive. Here we report a clear advantage for negative over positive words in categorizing them as emotional. In 3 experiments, participants classified bri...