Careful studies have not found any convincing cases of that could not be explained by other factors, such as disease, brain injury, normal forgetting, or an unwillingness to think about disturbing events.

Careful studies have not found any convincing cases of "dissociative amnesia" that could not be explained by other factors

Dissociative amnesia is one of a gathering of conditions called dissociative disorders. Dissociative disorders are psychological sicknesses that include interruptions or breakdowns of memory, cognizance, mindfulness, character, and additionally discernment. When at least one of these capacities is disturbed, side effects can result. These manifestations can meddle with a man's general working, including social and work exercises, and connections.  

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.