To perceive the relative positions of objects in the visual field, the visual system must assign locations to each stimulus. This assignment is determined by the object's retinal position, the ...

John Summa is the founder of OptionsNerd.com and has authored a number of books. He has 6+ years as a chief economist and derivatives strategist. Timothy Li is a consultant, accountant, and finance ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated ...

Robert Burakoff, MD, MPH, is a board-certified gastroenterologist who serves as vice chair of Ambulatory Services at Lower Manhattan Hospital and professor of medicine at the Weill Cornell Medical ...