Sigmoid 注意力理论基础. 该研究对 SigmoidAttn 进行了分析，分析的目的主要有两个：（1）证明当 SigmoidAttn 取代 SoftmaxAttn 时，Transformer 架构仍然是一个 ...

Dysfunction of bowels in spinal cord injury patients causes considerable morbidity and, rarely, mortality as well. Redundant sigmoid bowel was noted during a routine follow-up of a patient with C ...

A barium-enema examination at this time and another two days before entry demonstrated two polyps at the apex of the sigmoid loop. There was no history of weight loss or change in bowel habits.

Figure 1: Plain radiograph of the abdomen of an 85-year-old man showing a markedly dilated sigmoid loop (arrows) with an inverted U-shaped appearance (coffee-bean sign). Sigmoid volvulus is a ...